2016

• Conference lecture
  Ødegaard, Hallvard; Rusten, B.; Ratnaweera, H.. (2016) Wastewater treatment in cold climates – an overview. EWA conference on Water Management: Challenges in cold climate,
• Conference lecture
  Ødegaard, Hallvard. (2016) A road-map for the design of energy-neutral wastewater treatment plants based on compact technologies. IAS Summit Hong Kong Conference – Inventing Today Imagining Tomorrow for Water Pollution Control.
• Conference lecture
  Ødegaard, Hallvard. (2016) Past, present and future of small water and wastewater systems. IWA Specialist conference on Small Water and Wastewater Systems
• Conference lecture
  Mannina, G.; Capodici, A.; Cosenza, A.; Trapani, D. Di; Laudicina, V.A,; Ødegaard, Hallvard. (2016) Greenhouse gas from moving bed based integrated fixed film activated sludge membrane bioreactors. X Simposio Internazionale di Ingegneria Sanitaria Ambientale
• Conference lecture
  Ødegaard, Hallvard. (2016) The role of particle separation in energy-neutral wastewater treatment plants for the future. IWA Specialist Conference: Advances in particle separation,
• Conference lecture
  Ødegaard, Hallvard. (2016) A road-map for the design of energy-neutral WWTP. Innovative wastewater treatment technologies for energy saving and Environmental protection,

2015

• Lecture
  Ødegaard, Hallvard. (2015) Veiledning for dimensjonering av vannbehandlingsanlegg (ppt-presentasjon). Norsk Vann fagtreff,
• Lecture
  Ødegaard, Hallvard. (2015) Urbane ferskvannsutfordringer – globalt og nasjonalt (ppt-presentasjon). Rotary's distriktskonferanse,
• Lecture
  Ødegaard, Hallvard. (2015) VA-løsninger for bærekraftig utvikling (ppt-presentasjon). Seminar Salsnes AS
• Conference lecture
  Ødegaard, Hallvard. (2015) Biofilm systems (ppt-presentasjon). Advanced course on innovative wastewater treatment and mathematical modelling
• Lecture
  Ødegaard, Hallvard. (2015) VA-løsninger for bærekraftig byutvikling i et energiperspektiv (ppt-presentasjon). Smartnett Furuset - Future Built - workshop om klimavennlig energiforsyning.
• Conference lecture
  Ødegaard, Hallvard. (2015) The moving bed biofilm reactor (ppt-presentasjon). Advanced course on innovative wastewater treatment and mathematical modelling,
• Lecture
  Ødegaard, Hallvard. (2015) Urbane ferskvannsutfordringer – globalt og nasjonalt (ppt-presentasjon). Rambøll seminar,
• Lecture
  Ødegaard, Hallvard. (2015) Veiledning i mikrobiell barriere analyse (MBA) (ppt-presentasjon). Norsk Vann fagtreff,
• Conference lecture
  Ødegaard, Hallvard. (2015) Hybrid systems (IFAS)(ppt-presentasjon). Advanced course on innovative wastewater treatment and mathematical modelling
• Conference lecture
  Ødegaard, Hallvard. (2015) Compact technologies for wastewater treatment the future. 2015 Science Summit for China Concept Wastewater Treatment Plant
• Lecture
  Ødegaard, Hallvard. (2015) Veiledning for dimensjonering av vannbehandlingsanlegg (ppt-presentasjon). VA-dagene i Midt-Norge,
• Lecture
  Ødegaard, Hallvard. (2015) Hur mår svensk VA-forskning og hur kan framtiden se ut? Tanker etter en evaluering av SVU's Høgskoleprogram (ppt-presentasjon). Svensk Vatten Utveckling 25 år – då, nu och framtid, Forsknings- och innovationskonferens för hållbara vattentjänster,
• Conference lecture
  Mannina, G.; Cosenza, A.; Trapani, D. Di; Morici, C.; Ødegaard, Hallvard. (2015) Greenhouse gases from membrane bioreactor treating hydrocarbon and saline wastewater. In Proc: 12th IWA Specialised Conference on Design, Operation and Economics of Large Wastewater Treatment Plants,
• Conference lecture
  Mannina, G.; Morici, C.; Cosenza, A.; Trapani, D. Di; Ødegaard, Hallvard. (2015) Green-house gases from membrane bioreactors: a pilot plant case study. EuroMed 2015: Desalination for Clean Energy and Water,
• Conference lecture
  Ødegaard, Hallvard. (2015) Anammox in MBBR-based systems (ppt-presentasjon). Gjesteforelesning HKUST

2014

• Lecture
  Ødegaard, Hallvard. (2014) A nordic perspective on the use of membrane technology in wastewater treatment. Seminar Membranteknologi
• Lecture
  Ødegaard, Hallvard. (2014) God desinfeksjonspraksis. Et nordisk prosjekt i ny utgave. Fagtreff i Norsk Vann
• Lecture
  Ødegaard, Hallvard. (2014) VA-løsninger for bærekraftig utvikling. Seminar Norsk Vannforskning
• Lecture
  Ødegaard, Hallvard. (2014) En veiledning til bestemmelse av barrieresituasjonen i vannverk. Fagtreff i Norsk Vannforening
• Conference lecture
  Ødegaard, Hallvard. (2014) Compact wastewater treatment by the use of moving bed biofilm reactors (MBBRs). Seminar Nanyang Univesirty of Technology
• Conference lecture
  Ødegaard, Hallvard. (2014) Compact wastewater treatment with MBBR. http://www.dsdic2014.hk/program2.html. Proc. International DSD Conference on Sustainable Stormwater and Wastewater Management,
• Conference lecture
  Ødegaard, Hallvard; Magnus, Christensson. (2014) 12 years of experience with the IFAS MBBR technology for increased capacity at WWTPs. EWWM 8th European Waste Water Management Conference
• Conference lecture
  Ødegaard, Hallvard. (2014) The Role of Partnerships in Innovation. Needs, challenges and potentials. The IWA European Utility Conference,
• Conference lecture
  Ødegaard, Hallvard. (2014) Integrated fixed-film activated sludge system (IFAS). IAS symposium on Activated Sludge - Past and next 100 years
• Conference lecture
  Ødegaard, Hallvard. (2014) Ødegaard, H. (2014) GDP – A guideline for hygienic barrier analysis. The 9th Nordic DRINKING WATER Conference

2013

• Conference lecture
  Ødegaard, Hallvard. (2013) Nasjonalt nivå for avløpsteknikken. Kursdagene NTNU Bærekraftige og robuste avløpstjenester for fremtiden.
• Lecture
  Ødegaard, Hallvard. (2013) Globale og nasjonale VA-utfordringer. Rambøll Seminar
• Conference lecture
  Ødegaard, Hallvard. (2013) Urban Water Systems and Treatment in Cities of the Future. EnviroNor workshop
• Conference lecture
  Ødegaard, Hallvard. (2013) The Smart Water Community Semi-Centralized Water Management System. IWA Conference on: Cities of the Future - Innovation in Practice
• Conference lecture
  Ødegaard, Hallvard. (2013) The Smart Water Community Semi-Centralized Water Management System. Gjesteforelesning
• Conference lecture
  Ødegaard, Hallvard. (2013) The Smart Water Community Semi-Centralized Water Management System (WMS). IWA Conference on: Alternative Water Resources Management and Integrated Technologies for Sustainable Urban Water System
• Conference lecture
  Ødegaard, Hallvard. (2013) CEPT process basics and experiences. Salsnes Filter Seminar on CEPT
• Conference lecture
  Ødegaard, Hallvard. (2013) Wastewater characteristics - The basis for optimizing CEPT. Salsnes Filter Seminar
• Conference lecture
  Ødegaard, Hallvard. (2013) Urban water management in the future. Presentation at Milwaukee Water Council seminar, Milwaukee,
• Conference lecture
  Ødegaard, Hallvard. (2013) Experiences with MBBR- and IFAS technologies. The Hong Kong Institution of Engineers Seminar.
• Conference lecture
  Ødegaard, Hallvard. (2013) State of the art of wastewater management in the Nordic countries. Invited key-note lecture at NORDIWA 2013, 13th Nordic Wastewater Conference,
• Conference lecture
  Ødegaard, Hallvard. (2013) Case study: Design of VEAS Wastewater Treatment Works at Oslo of Norway. Presentation at DSD HK seminars on STSTW,
• Conference lecture
  Ødegaard, Hallvard. (2013) Vannrenseanlegg. Vannringens arbeidsseminar, Bergen,
• Conference lecture
  Ødegaard, Hallvard. (2013) Treatment Technologies for the EnviroNor Concept. EnviroNor workshop
• Conference lecture
  Ødegaard, Hallvard. (2013) Where may SF be used in an integrated way in a wastewater treatment plant?. Salsnes Filter Seminar
• Conference lecture
  Ødegaard, Hallvard. (2013) Vann og avløp. Løsninger og strategier for fremtiden. Seminar Norsk Vannforening : Vann og avløp – Strategier for fremtiden.
• Conference lecture
  Ødegaard, Hallvard. (2013) Miljøteknologi i vannbransjen – utfordringsbildet. Vannbransjens Innovasjonskonferanse
• Lecture
  Ødegaard, Hallvard. (2013) Urbane ferskvannsutfordringer i et globalt og nasjonalt perspektiv. Møte Bjugn Rotary,
• Lecture
  Ødegaard, Hallvard. (2013) Utviklingstrekk innen avløpsrensing - Framtidens avløpsrenseanlegg. Seminar Oslo VAV: Bekkelaget renseanlegg 50 år

2012

• Lecture
  Ødegaard, Hallvard. (2012) Byutvikling, fortetting og klimaendringer krever at vi tenker nytt ved utforming av vann- og avløpsanlegg. Norsk Vann's årskonferanse,
• Conference lecture
  Ødegaard, Hallvard. (2012) Urban water management and treatment in the future – a global view. The Danish Water Research Platform (DWRP) Conference,
• Conference lecture
  Ødegaard, Hallvard. (2012) Smart Water Communities. An innovative system for water and wastewater management. Norway Industry Forum at IWA World Water Congress and Exhibition, Busan, Korea, 16.-21.09.2012 (ppt-presentasjon)
• Conference lecture
  Ødegaard, Hallvard. (2012) Imperative for innovation on a hot and crowded planet. Key-note presentation in workshop on : Macro-drivers for change, IWA World Water Congress and Exhibition, Busan, Korea, 16.-21.09.2012 (ppt-presentasjon)
• Conference lecture
  Trapani, D. Di; Torregossa, M.; Viviani, G.; Ødegaard, Hallvard. (2012) Influence of operative conditions in a hybrid activated sludge/biofilm process for treatment of municipal wastewater in a cold climate region: a case study. Proceedings 9th Int. Symposium of Sanitary and Environmental Engineering,
• Conference lecture
  Ødegaard, Hallvard. (2012) Imperative for innovation on a hot and crowded planet. Gjesteforelesning UMB
• Lecture
  Ødegaard, Hallvard. (2012) Urban Water Management for the Future. Technoport Talks, NTNU
• Conference lecture
  Ødegaard, Hallvard. (2012) Water and wastewater systems in the future. Svenskt Vatten seminar: How to meet the challenges within the wastewater technology? )
• Lecture
  Ødegaard, Hallvard. (2012) Utfordringer på VA-sektoren. VVPs medlemsmøte
• Conference lecture
  Ødegaard, Hallvard. (2012) Water reuse concepts and technologies for cities of the future. Urban Water Management. Rambøll conference, ppt-presentasjon)
• Lecture
  Ødegaard, Hallvard. (2012) Urbane ferskvannsutfordringer i et globalt perspektiv. Møte i Heimdal rotary
• Conference lecture
  Ødegaard, Hallvard. (2012) What is innovation?. Presentation at IWA Young Water Professionals workshop 16.09.2012, at IWA World Water Congress and Exhibition,
• Conference lecture
  Ødegaard, Hallvard. (2012) Primærrensing. Fagtreff, Norsk Vannforening
• Conference lecture
  Ødegaard, Hallvard. (2012) Fremtidsperspektiv - Urbane VA-anlegg for fremtiden. ENVISYS Høstmøte
• Conference lecture
  Ødegaard, Hallvard. (2012) Organizing R&D in water and wastewater engineering. Svenskt Vatten seminar: How to meet the challenges within the wastewater technology?
• Conference lecture
  Ødegaard, Hallvard. (2012) FoU-behovet i VA-sektoren. VAnnforsk seminar

2011

• Conference lecture
  Ødegaard, Hallvard. (2011) Concepts for water reuse in decentralized systems – some ideas and some European experiences. IWA conference on Cities of the future, China, 15.09.2011
• Lecture
  Ødegaard, Hallvard. (2011) The moving bed biofilm reactor (MBBR) technology for advanced wastewater treatment. Gjesteforelesning Hokkaido University
• Lecture
  Ødegaard, Hallvard. (2011) Veiledning til bestemmelse av god desinfeksjonspraksis (GDP-veiledningen). Møte i Norsk Vannforening
• Lecture
  Ødegaard, Hallvard. (2011) The Moving Bed Biofilm Reactor (MBBR). IWA Seminar on: Innovation for Smart Water Communities
• Lecture
  Ødegaard, Hallvard. (2011) Urbane ferskvannsutfordringer i et globalt perspektiv. Seminar for VA-etaten i Bergen kommune
• Lecture
  Ødegaard, Hallvard. (2011) The Smart Water Communities Concept. Kick-off seminar ARENA-prosjekt Smart Water Community Cluster
• Lecture
  Ødegaard, Hallvard. (2011) IWA Welcome address. 6th IWA Specialist Conference on Membrane Technology for Water & Wastewater Treatment,
• Lecture
  Ødegaard, Hallvard. (2011) Satsing på vannrenseteknologi i Midt-Norge gjennom Arena Vann. Hvor kommer vi fra og hvor skal vi hen?. “ Foredrag oppstartmøte ARENA-prosjektet Small Water Communities,
• Conference lecture
  Ødegaard, Hallvard. (2011) Water reuse concepts for smart communities. Future Prospects of Energy, Environment and Water Infrastructures in Smart Community
• Lecture
  Ødegaard, Hallvard. (2011) Smart Water Communities. Seminar Leksvik og Rissa næringsforum
• Conference lecture
  Ødegaard, Hallvard. (2011) The moving bed biofilm reactor (MBBR) technology for wastewater treatment. Gjesteforelesning Hong Kong University of Sience and Technology
• Conference lecture
  Ødegaard, Hallvard. (2011) Veiledning til bestemmelse av god desinfeksjonspraksis (5 foredrag). Erfaringsseminar, Norsk Vann
• Conference lecture
  Ødegaard, Hallvard. (2011) Smart Water Communities-An innovative concept for decentralized water use in communities. IWA Seminar on: Innovation for Smart Water Communities
• Lecture
  Ødegaard, Hallvard. (2011) 40 år med FoU innen VA-rensing – Hva var de viktigste utviklingstrekkene og hva blir viktigst fremover. Seminar ifb H. Ødegaard's avgang som professor ved NTNU
• Lecture
  Ødegaard, Hallvard. (2011) Hvor går avløpsteknikken -Teknologiske utfordringer nasjonalt og globalt. Kursdagene NTNU Avløpsteknikk for fremtiden.
• Lecture
  Ødegaard, Hallvard. (2011) 40 år i VA-rensingens tjeneste: Tilbakeblikk og fremtidsvyer. Seminar VA-yngre
• Conference lecture
  Ødegaard, Hallvard. (2011) Biologisk rensing av avløpåsvann - 5 foredrag. Seminar om biologisk resning av avløpsvann
• Lecture
  Ødegaard, Hallvard. (2011) Facing the freshwater challenges in an urbanized world. Isfit Student Festival, NTNU, Trondheim,

2010

• Conference lecture
  Ødegaard, Hallvard; Mende, Ulrich; Skjerping, Eirik, O; Simonsen, Simon; Strube, Rune; Bundgaard, Erik. (2010) Compact tertiary treatment based on the combination of MBBR and contained hollow fibre UF-membranes. MDIW/IWA-conference on Membranse on Drinking and Industrial Water Treatment,
• Conference lecture
  Ødegaard, Hallvard; Cimbritz, Michael; Christensson, Magnus; Poulsen, Claus Dahl,. (2010) Separation of biomass from moving bed biofilm reactors (MBBRs). WEF/IWA Conference
• Conference lecture
  Ødegaard, Hallvard; Christensson, Magnus. (2010) Experiences on the use of the Moving Bed Biofilm Reactor (MBBR) for wastewater treatment. Scientific and Technical Conference on “Development of the water supply and sewerage systems in the rural communities”
• Conference lecture
  Ødegaard, Hallvard. (2010) Optimizing the use of MBBR with coagulation/separation. Veolia Water Systems (VWS) Marketing Seminar
• Conference lecture
  Ødegaard, Hallvard. (2010) MBBR and separation-an overview. AnoxKaldnes MBBR User Seminar, December 2010
• Conference lecture
  Ødegaard, Hallvard. (2010) The MBBR-technology. Global Engineering training course
• Conference lecture
  Ødegaard, Hallvard. (2010) Om hygieniske barrierer, desinfeksjonsmetoder og god desinfeksjonspraksis. Workshop Rambøll 2010
• Conference lecture
  Ødegaard, Hallvard. (2010) International market- and technology trends in water and wastewater treatment. Strategy seminar Kemira Water
• Conference lecture
  Ødegaard, Hallvard. (2010) Veiledning til bestemmelse av god desinfeksjonspraksis. Rambøll workshop 2010
• Conference lecture
  Ødegaard, Hallvard. (2010) Design of secondary MBBR plants. Global Engineering training course
• Conference lecture
  Ødegaard, Hallvard. (2010) Technology trends and markets in the use of coagulants for water and wastewater treatment. INCOPA seminar
• Lecture
  Ødegaard, Hallvard. (2010) Utvikling innen avløpsrensing - Trender og nye teknologiske løsninger. Fagtreff Norsk vannforening
• Conference lecture
  Ødegaard, Hallvard. (2010) Veiledning til bestemmelse av god desinfeksjonspraksis. Kursdagene NTNU: Hvor god og bærekraftig er norsk vannforsyning?
• Lecture
  Ødegaard, Hallvard. (2010) Vannsenteret i Vanvikan. Norsk Vann Seminar: VAnnforsk
• Conference lecture
  Ødegaard, Hallvard. (2010) Anaerobic digestion and biogas production. Global Engineering training course
• Conference lecture
  Ødegaard, Hallvard. (2010) Experiences on the use of the Moving Bed Biofilm Reactor MBBR)for wastewater treatment. Water Environment Federation Workshop
• Conference lecture
  Ødegaard, Hallvard. (2010) The MBBR-technology. Global Engineering seminar
• Conference lecture
  Ødegaard, Hallvard. (2010) Desinfeksjonsmetoder: Klor, ozon og UV. Ramboll workshop 2010
• Conference lecture
  Ødegaard, Hallvard. (2010) Biomass separation after MBBRs. Global Engineering training course
• Conference lecture
  Ødegaard, Hallvard. (2010) An introduction to Norwegian wastewater treatment technologies. Workshop during NTNU/Tsinghua workshop ,
• Lecture
  Ødegaard, Hallvard. (2010) Storbyenes ferskvannsutfordringer. Populær vitenskapelig forelesningsserie, NTNU,
• Conference lecture
  Ødegaard, Hallvard. (2010) Possible Reuse Concepts and Technologies for Cities of the Future. IWA Biennial Congress
• Conference lecture
  Ødegaard, Hallvard. (2010) The MBBR-technology. Global Engineering seminar, , Ethiopia,
• Conference lecture
  Ødegaard, Hallvard. (2010) Upgrading activated sludge plants with MBBR. Global Engineering training course
• Conference lecture
  Ødegaard, Hallvard. (2010) Hvordan sikre hygieniske barrierer i vannverk?. Paul Jørgensen Systemer (PJS) Brukerkonferansen
• Conference lecture
  Ødegaard, Hallvard. (2010) Coagulation/flocculation in combination with MBBR. Global Engineering training course
• Conference lecture
  Ødegaard, Hallvard. (2010) Moving bed biofilm reactor process design. Lecture series for design institutes in Beijing and Tianjin
• Lecture
  Ødegaard, Hallvard. (2010) An example of successful cooperation between a Veolia company (KrügerKaldnes) and a university group (NTNU/SINTEF) - The development of the MBBR process. VWS Universities Club

2009

• Lecture
  Ødegaard, Hallvard. (2009) Megabyenes vannutfordringer. Seminar Odd Fellow Loge 66
• Lecture
  Ødegaard, Hallvard. (2009) Utviklingen av VA-teknikken i lys av de globale ferskvannsutfordringene. Jubileumsseminar Aquateam AS
• Lecture
  Ødegaard, Hallvard. (2009) Utviklingen av VA-teknikken i årene som kommer. Jubileumssemibar KrügerKaldnes AS
• Lecture
  Ødegaard, Hallvard. (2009) Nytt vannverk, Vanvikan. Seminar for kommunestyret i Leksvik kommune
• Lecture
  Ødegaard, Hallvard. (2009) De globale ferskvannsressursene og avløpshåndteringen. Kursdagene NTNU
• Conference lecture
  Ødegaard, Hallvard. (2009) A guideline for securing multi-barriers in Norway. Peter Huck Seminar, NTNU
• Conference lecture
  Ødegaard, Hallvard. (2009) Veileder til bestemmelse av god desinfeksjonspraksis. Fagtreff, Norsk Vann
• Conference lecture
  Ødegaard, Hallvard. (2009) Moving bed biofilm reactor planning, design, operation and optimization. WEFTEC workshop on: Biofilm reactors - Application to Today’s Global Wastewater Treatment Challenges
• Conference lecture
  Ødegaard, Hallvard. (2009) En innføring i desinfeksjon og desinfeksjonspraksis for drikkevann. Fagtreff, Bærum kommune
• Conference lecture
  Ødegaard, Hallvard. (2009) The MBBR technology. 4 seminarer i Dubai, Abu Dhabi og Oman
• Conference lecture
  Ødegaard, Hallvard. (2009) Applications of the MBBR processes for nutrient removal. 2nd Specialized IWA Conference in Nutrient Management in Wastewater Treatment Processes
• Conference lecture
  Ødegaard, Hallvard; Østerhus, Stein W.; Melin, Esa; Eikebrokk, Bjørnar. (2009) Technologies for the removal of natural organic matter (NOM). 12th Nordic-Baltic IHSS Symposium on Natural Organic Matter in Environment and Technology, June 14 – 17, 2009 ,
• Conference lecture
  Ødegaard, Hallvard. (2009) Nye reviderte retningslinjer for dimensjonering av avløpsrenseanlegg. Kursdagene NTNU,
• Conference lecture
  Østerhus, Stein Wold; Eikebrokk, Bjørnar; Liltved, helge; Ødegaard, Hallvard. (2009) UV-disinfection technologies. Board of European Students of Technology (BEST) autumn course on “Water Reuse – The use of biological treatment and membrane filtration in reuse of treated wastewater in fish-farming
• Lecture
  Ødegaard, Hallvard. (2009) Teknologi og utfordringer knyttet til rent vann og vannrensing i verden. LIV-seminar
• Lecture
  Ødegaard, Hallvard. (2009) Internasjonale markeds- og teknologitrender innen rensing av vann. Rent Vann-seminar
• Conference lecture
  Ødegaard, Hallvard. (2009) Utfordringer innen avløpssektoren. Internt fagtreff, SFT
• Conference lecture
  Ødegaard, Hallvard. (2009) Technological challenges to be faced in order to secure global freshwater quality. UNESCO workshop: Good water quality for all
• Conference lecture
  Ødegaard, Hallvard. (2009) Norway’s contribution to Clean Water solutions - Innovative Norwegian technology in wastewater management. Norwegian financial programmes and innovative technologies for the water and wastewater sector
• Conference lecture
  Ødegaard, Hallvard. (2009) Valg av renseprosess for norske forhold. Internt fagtreff, SFT
• Conference lecture
  Ødegaard, Hallvard. (2009) Wastewater handling - The technological challenges of the future. Nordisk/NORDIWA avløpskonfernase
• Conference lecture
  Ødegaard, Hallvard. (2009) How can we deal with water shortage in the peri-urban areas of mega-cities?. IWA workshop for Young Water Professionals
• Conference lecture
  Ødegaard, Hallvard. (2009) The need for water reuse in areas of water scarcity. BEST international course on: Choose to ReUse – BioPurified water
• Conference lecture
  Ødegaard, Hallvard. (2009) The MBBR technology. BEST international course on: Choose to ReUse – BioPurified water
• Conference lecture
  Ødegaard, Hallvard. (2009) Desinfeksjonsmetoder. Fagtreff, Bærum kommune
• Conference lecture
  Ødegaard, Hallvard. (2009) GDP-Veiledningen. Fagtreff, Bærum kommune

2008

• Conference lecture
  Ødegaard, Hallvard; Østerhus, Stein W.; Melin, Esa; Eikebrokk, Bjørnar. (2008) Technologies for the removal of natural organic matter. IWA Academic Summer School on Particle Separation in Water and Wastewater Treatment
• Conference lecture
  Raspati, Gema Sakti; Ødegaard, Hallvard. (2008) Combined treatment system of Dissolved Air Flotation (DAF) and micro- or ultrafiltration. Particle Separation in Water and Wastewater Treatment
• Conference lecture
  Ødegaard, Hallvard; Østerhus, Stein W.. (2008) Utfordringer ved drift og styring av desinfeksjonsprosesser. Den 6. nordiske drikkevannskonferansen
• Conference lecture
  Ødegaard, Hallvard. (2008) A brief description of the Norwegian drinking water situation especially regarding disinfection. Symposium on Alterntaive Approaches to Disinfection for Drinking Water
• Conference lecture
  Ødegaard, Hallvard. (2008) The use of the moving bed biofilm reactor (MBBR) technology for industrial wastewater treatment. IWA Specialized Conference on Industrial Water Treatment Systems

2007

• Conference lecture
  Azrague, Kamal; Østerhus, Stein Wold; Ødegaard, Hallvard. (2007) Treatment of NOM containing water by a photocatalytic - vacuum UV reactor. 12th Gothenburg Symposium on Chemical Water and Wastewater Treatment
• Conference lecture
  Østerhus, Stein Wold; Azrague, Kamal; Leiknes, TorOve; Ødegaard, Hallvard. (2007) Membrane filtration for particles removal after ozonation-biofiltration. IWA International Conference on Particle Separation
• Conference lecture
  Ivanovic, Igor; Leiknes, TorOve; Ødegaard, Hallvard. (2007) Fouling control by reduction of submicron particles in a BF-MBR with an integrated flocculation zone in the membrane reactor. IWA International Conference on Particle Separation
• Conference lecture
  Meyn, Thomas; Leiknes, TorOve; Ødegaard, Hallvard. (2007) Coagulation / flocculation - ceramic membrane filtration for removal of natural organic matter (NOM) under Norwegian conditions. The 4th IWA International Membranes Conference, Membranes for Water and Wastewater Treatment
• Conference lecture
  Meyn, Thomas; Leiknes, TorOve; Ødegaard, Hallvard. (2007) NOM removal by ceramic membrane filtration coupled with coagulation / flocculation pretreatment. Workshop on ceramic membranes
• Conference lecture
  Trapani, Daniele Di; Ødegaard, Hallvard; Viviani, Guiseppe. (2007) Municipal wastewater treatment in a hybrid activated sludge(biofilm reactor: a pilot plant experience. 1’st IWA Mexico National Young Professional Conference;
• Conference poster
  Leiknes, TorOve; Ivanovic, Igor; Ødegaard, Hallvard. (2007) Assessment of fouling in a biofilm-MBR for treatment of municipal wastewater. 4th IWA Leading-Edge Conference on Water and Wastewater Technologies
• Conference lecture
  Rusten, Bjørn; Ødegaard, Hallvard. (2007) Design and operation of nutrient removal plants for very low effluent concentrations. Water Environment Federation Conference Nutrient Removal 2007
• Conference lecture
  Ødegaard, Hallvard; Rusten, Bjørn; Wessman, Flemming. (2007) Optimization of nitrogen removal by the use of combined pre-and post-denitrification. 10'the Nordic/NORDIWA Wastewater Conference

2006

• Conference lecture
  Leiknes, TorOve; Bolt, Heidi; Engmann, Martin; Ødegaard, Hallvard. (2006) Assessment of membrane reactor design in the performance of a hybrid biofilm membrane bioreactor (BF-MBR). EUROmembrane 2006
• Conference lecture
  Leiknes, TorOve; Ivanovic, Igor; Ødegaard, Hallvard. (2006) INVESTIGATING THE EFFECT OF COLLOIDS ON THE PERFORMANCE OF A BIOFILM MEMBRANE REACTOR (BF-MBR) FOR TREATMENT OF MUNICIPAL WASTEWATER. WISA 2006 - The Water Institute of Southern Africa Biennial Conference & Exhibition
• Lecture
  Ødegaard, Hallvard. (2006) Velger vi riktig ambisjonsnivå innen VA-sektoren?. KS/NORVAR VA-seminar for folkevalgte
• Conference lecture
  Ødegaard, Hallvard. (2006) Tekniske løsninger for å tilfredsstille rensekrav: Primær-, sekundær- og tertiærrensing. Kursdagene 3.-4. jan., NTNU 2006
• Conference lecture
  Ødegaard, Hallvard. (2006) New Urban Sanitation Technologies for a changing world. IWA 5 World Water Congress Workshop: Sanitation – No more time for failures
• Conference lecture
  Ødegaard, Hallvard; Østerhus, Stein W.; Fiksdal, Liv. (2006) Prosedyrer for bestemmelse av optimal desinfeksjonspraksis. 5’te Nordiska Dricksvattenkonferansen. Säker Dricksvattenförsörjning
• Conference lecture
  Ødegaard, Hallvard. (2006) New Urban Sanitation Technologies for the Future?. International Conference on : Sustainable Architecture and Technology
• Conference lecture
  Wilderer, Peter; Ødegaard, Hallvard. (2006) Meeting the Future Global Water Challenges. Thoughts, Visions and Recommendations. 1st Poul Harremoes Lecture presented on September 14, 2006, during the Closing Plenary of the 5th IWA World Water Congress
• Conference lecture
  Ødegaard, Hallvard. (2006) Hvilke utfordringer gir den nye forskriften VA-bransjen?. Kurset: Ny avløpsforskrift: Konsekvenser for bygging og drift av avløpsanlegg, Kursdagene 3.-4. jan., NTNU 2006

2005

• Conference lecture
  Ødegaard, Hallvard. (2005) High-rate wastewater treatment. Guest lecture
• Conference lecture
  Ødegaard, Hallvard. (2005) Optimal desinfeksjonspraksis – Et viktig NORVAR-prosjekt. Vannforsyningsdagene 2005
• Conference lecture
  Ødegaard, Hallvard. (2005) Tracking particle size distributions in a moving bed biofilm membrane reactor for treatment of municipal wastewater. IWA Specialist Conference on Particle Separation
• Conference lecture
  Ødegaard, Hallvard. (2005) Utslipp til sjøområder - Utfordringer som den nye avløpsdelen i forurensningsforskriften representerer. TEKNA-kurs
• Conference lecture
  Ødegaard, Hallvard. (2005) Resultater fra en spørreundersøkelse vedrørende desinfeksjonspraksis i utvalgte land. NORVAR workshop : Optimal desinfeksjonspraksis
• Conference lecture
  Ødegaard, Hallvard. (2005) Norsk drikkevannsforskning og norske vannforsyningsfaglige utfordringer i et internasjonalt perspektiv. Kursdagene NTNU 2005
• Conference lecture
  Ødegaard, Hallvard. (2005) Rent vann til alle – Verdenssamfunnets største utfordring. Møte Trondheim Rotary Vest
• Conference lecture
  Ødegaard, Hallvard. (2005) Forslag til en prosedyre for bestemmelse av optimal desinfeksjonspraksis. NORVAR-workshop : Optimal desinfeksjonspraksis
• Conference lecture
  Ødegaard, Hallvard. (2005) Aktuelle metoder for primærrensing. Avslutningsseminar for FoU-programmet PRIMÆRRENS
• Conference lecture
  Ødegaard, Hallvard. (2005) High-rate wastewater treatment. Guest lecture
• Conference lecture
  Ødegaard, Hallvard. (2005) Three process strategies for NOM-removal that include membrane filtration. Guest lecture
• Conference lecture
  Ødegaard, Hallvard. (2005) Desinfeksjon – Klor, Ozon, UV. NORVAR workshop: Optimal desinfeksjonspraksis
• Conference lecture
  Ødegaard, Hallvard. (2005) SFT’s PRIMÆRRENS-prosjekt. TEKNA-kurs
• Conference lecture
  Ødegaard, Hallvard. (2005) Erfaringer med finsilanlegg i PRIMÆRRENS. Avslutningsseminar for FoU-programmet PRIMÆRRENS,
• Conference lecture
  Ødegaard, Hallvard. (2005) Sentrale forhold ved dimensjonering og drift av primærrenseanlegg. Erfaringer med sedimenteringsanlegg i PRIMÆRRENS. Avslutningsseminar for FoU-programmet PRIMÆRRENS,
• Conference lecture
  Ødegaard, Hallvard. (2005) Hva er best for Norge – kjemisk, biologisk eller biologisk/kjemisk rensing?. TEKNA-kurs
• Conference lecture
  Ødegaard, Hallvard. (2005) Innovations in wastewater treatment – the moving bed biofilm process. IWA Specialist Conference: Future of Urban Wastewater Systems
• Conference lecture
  Ødegaard, Hallvard. (2005) Alternative metoder for primærrensning. Avslutningsseminar for FoU-programmet PRIMÆRRENS
• Conference lecture
  Leiknes, TorOve; Ødegaard, Hallvard. (2005) A novel approach to drinking water treatment: ozonation bio-membrane filtration for organic carbon removal. 6th WISA-MTD Symposium and Workshop
• Conference lecture
  Helness, Herman; Melin, Esa; Ulgenes, Yngve; Järvinen, P.; Rasmussen, Vibeke; Kenakkala, Timo; Ødegaard, Hallvard. (2005) High-rate Wastewater Treatment Based on a Moving Bed Biofilm Reactor and Flotation. 9th Nordic Wastewater Conference
• Conference lecture
  Helness, Herman; Ødegaard, Hallvard. (2005) Biological phosphorous and nitrogen removal from municipal wastewater with a moving bed biofilm reactor. IWA Specialized Conference, "Nutrient Management in Wastewater Treatment Processes and Recycle Streams"
• Lecture
  Ødegaard, Hallvard. (2005) Vann for liv og helse – Praktiske muligheter og teknologivalg. Seminar Verdens Vanndag
• Lecture
  Ødegaard, Hallvard. (2005) Velger vi riktig ambisjonsnivå innen VA-sektoren. NORVAR's årsøte

2004

• Conference lecture
  Melin, Esa; Helness, Herman; Kenakkala, Timo; Ødegaard, Hallvard. (2004) High-rate wastewater treatment based on moving bed biofilm reactor, polymer coagulation and flotation. 11'th Gotheburg Symposium
• Conference lecture
  Machenbach, Ingo; Ødegaard, Hallvard. (2004) Relevance of flocculation in integrated membrane processes for NOM removal. 11'the Gothenburg Symposium
• Conference poster
  Åhl, Rolf Magnus; Leiknes, Tor Ove; Ødegaard, Hallvard. (2004) Development of a Moving Bed Biofilm Membrane Reactor (MBB-M-R) � The Effect of Biofilm Reactor Loading Rates on Membrane Fouling. EUROMEMBRANE 2004
• Conference lecture
  Leiknes, Tor Ove; Lazarova, Madlen; Ødegaard, Hallvard. (2004) Development of a hybrid ozonation biofilm-membrane filtration process for the production of drinking water. WEMT - Water Environment Membrane Technology 2004
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard; Lazarova, Madlen. (2004) Biofouling control and management in an ozonation biofilm-membrane filtration process for the production of drinking water. NAMS 2004 - 15th Annual Meeting
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard; Lazarova, Madlen. (2004) Removal of natural organic matter (NOM) in drinking water treatment by ozonation/biofiltration using a rotating disc membrane bioreactor. EUROMEMBRANE 2004
• Conference lecture
  Melin, Esa; Leiknes, Tor Ove; Helness, Herman; Rasmussen, Vibeke; Ødegaard, Hallvard. (2004) Effect of organic loading rate on a wastewater treatment process combining moving bed biofilm and membrane reactors. WEMT - Water Environment Membrane Technology 2004
• Conference lecture
  Helness, Herman; Melin, Esa; Ulgenes, Yngve; Järvinen, P; Rasmussen, Vibeke; Ødegaard, Hallvard. (2004) High-rate Wastewater Treatment Combining a Moving Bed Biofilm Reactor and Enhanced Particle Separation. World Water Congress
• Conference lecture
  Ødegaard, Hallvard; Paulsrud, Bjarne; Nybruket, Steinar. (2004) Sludge hygienisation � techniques and experiences. 2�nd IWA Leading Edge Conference on Water and Wastewater Technologies
• Conference lecture
  Ødegaard, Hallvard; Rusten, Bjørn; Wessmann, Flemming. (2004) State of the art in Europe of the moving bed biofilm reactor (MBBR) process. WEFTECH Conference and Exhibition

2003

• Conference lecture
  Ødegaard, Hallvard; Helness, Herman; Melin, Esa; Ulgenes, Yngve. (2003) Høybelastet Kaldnes-reaktor for sekundærrensing. Den 8:de Nordiska Avloppsvattenkonferansen
• Conference lecture
  Kvinnesland, Thomas; Ødegaard, Hallvard. (2003) The effects of polymer charachteristics on nano particle separation in humic substance removal by cationic polymer coag. IWA International Conf.: Nano and Microparticles in Water and Wastewater Treatment,
• Lecture
  Ødegaard, Hallvard. (2003) The history and background of the Kaldnes moving bed biofilm process - Why did it become a success?. Kaldnes seminar i Reykjavik for Brukerforeningen for Kaldnesprosessen,
• Conference lecture
  Ødegaard, Hallvard. (2003) Hygieniske barrierer i vannbehandlingen. Vannforsyningsdagene 2003, Tromsø, 20-22. mai, 2003,
• Conference lecture
  Ødegaard, Hallvard. (2003) Hygieniske barrierer - Hvilke utfordringer står vi overfor når vi skal vurdere om vannforsyningen har tilstrekkelige hy. Vannforsyningsdagene 2003, Troms, 20-22. mai. 2003
• Conference lecture
  Ødegaard, Hallvard. (2003) The Kaldnes High-rate Process. Kaldnes Miljøteknolgi AS Seminar
• Conference lecture
  Ødegaard, Hallvard. (2003) Sludge minimization technologies � an overview. IWA International Specialist Conference : BIOSOLIDS 2003 Wastewater Sludge as a Resource,
• Conference lecture
  Ødegaard, Hallvard. (2003) Status for norsk vannforsyning i et internasjonalt perspektiv. Seminar om Norsk Vannforsyning ved Kommunalteknikk 2003
• Conference lecture
  Ødegaard, Hallvard. (2003) EU's avløpsdirektiv og den norske avløpsforskriften. Hva er konsekvensene for norske renseanlegg. Norsk Vannforening/NORVAR Juleseminar 2003
• Conference lecture
  Ødegaard, Hallvard. (2003) Kaldnes Membrane Process ?. Kaldnes Miljøteknologi AS Seminar
• Conference lecture
  Ødegaard, Hallvard. (2003) Tiltak for å møte krav til primærresning. NORVAR/SFT Seminat om Implementering av EU's avløpsdirektiv i Norge
• Conference lecture
  Ødegaard, Hallvard. (2003) De viktigste utfordringene innen VA-sektoren de nærmeste årene. NORVASR-seminar : Utfordringene i VA-sektoren
• Conference lecture
  Ødegaard, Hallvard. (2003) Optimization of particle separation by coagulation in wastewater treatment. European Science Foundation Conference on The Roles of Colloids and Particles in Water Technology
• Conference lecture
  Ødegaard, Hallvard. (2003) Tiltak for å møte avløpsforskriftens krav. Brukerforeningen Paul Jørgensen Systemer Seminar
• Conference lecture
  Ødegaard, Hallvard. (2003) Tiltak for å møte krav til sekundærrensing. NORVAR/SFT seminar om implementering av EU's avløpsdirektiv i Norge
• Conference lecture
  Leiknes, Tor Ove; Machenbach, Ingo; Ødegaard, Hallvard. (2003) NOM removal in drinking water production by coagulation and submerged MF/UF membrane reactors. Permea 2003 Tatranske Matliare, Slovakia
• Conference lecture
  Leiknes, Tor Ove; Myklebust, Håvard; Ødegaard, Hallvard. (2003) Metal Membranes for Drinking Water Treatment. IMSTEC'03 The Fifth International Membrane Science & Technology Conference (Hosted by the UNESCO Centre for Membrane Science and Technology, The University of New South Wales)
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard; Ohme, Holger; Lazarova, Madlen. (2003) Ozonation/biofiltration for NOM-removal using rotating disk membranes. IMSTEC'03 The Fifth International Membrane Science & Technology Conference (Hosted by the UNESCO Centre for Membrane Science and Technology, The University of New South Wales)

2002

• Conference lecture
  Ødegaard, Hallvard. (2002) Experiences in application of MBBR systems in Northern Europe. Seminar on the use of mving bed biofilm reactors for wastewater treatment
• Conference lecture
  Ødegaard, Hallvard. (2002) State of the art and perspectives of MBBR technology. Seminar on the use of moving bed biofilm reactors for wastewater treatment
• Conference lecture
  Saltnes, Torgeir; Eikebrokk, Bjørnar; Ødegaard, Hallvard. (2002) Contact Filtration of Humic Waters, Performance of an Expanded Clay Aggregate Filter (Filtralite) Compared to a Dual Anthracite/Sand Filter. IWA 3�rd World Water Congress, Melbourne, Australia, 7-12 April 2002
• Conference lecture
  Vahala, Riku; Booker, Nicholas; Ødegaard, Hallvard. (2002) Promoting the development of the water sector with the technology programme. IWA 3�rd World Water Congress, Melbourne, Australia, 7-12 April 2002
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard. (2002) Metal membranes for water treatment. Japan/Norway workshop Membrane Filtration Technology for Water Treatment 30 September 2002 NTNU, Trondheim, Norway
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard. (2002) Combination of moving bed biofilm reactor and membrane filtration. Membrane Filtration Technology for Water Treatment 30 September 2002 NTNU, Trondheim, Norway
• Conference lecture
  Machenbach, Ingo; Leiknes, Tor Ove; Ødegaard, Hallvard. (2002) Coagulation/Submerged Hollow-Fibre Ultrafiltration for NOM Removal. 5th Conference on Membranes in Drinking and Industrial Water Production
• Conference lecture
  Ødegaard, Hallvard. (2002) Membrane reseach at the water treatment research group at NTNU/SINTEF. Kemira Seminar on Membrane Technology for Water Treatment, Espo, Finland, 13. January, 2002
• Conference lecture
  Ødegaard, Hallvard. (2002) High-rate � anything for Kaldnes. Kaldnes seminar, Hamar, Norway, 15-20.February, 2002
• Conference lecture
  Machenbach, Ingo; Ødegaard, Hallvard. (2002) Koagulering/direktefiltrering for humusfjerning med hulfibermembraner. NIF kursdager 2002 NTNU
• Conference lecture
  Ødegaard, Hallvard; Liao, Zuliang; Hansen, Audun T.. (2002) Coarse media filtration-An alternative to settling in wastewater treatment. IWA 3�rd World Water Congress, Melbourne, Australia, 7-12 April 2002
• Conference lecture
  Ødegaard, Hallvard. (2002) Membranes � anything for Kaldnes. Kaldnes seminar, Hamar, Norway, 15-20 February, 2002
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard. (2002) Hybrid MBR solutions combining biofilms and submerged membranes. Membranes and the Environment - Workshop 15-17 July 2002, Oxford, UK
• Conference lecture
  Ødegaard, Hallvard. (2002) Evaluation of the Water Services Program from an International Perspective. TEKES Seminar Hämmenlinna, Finland, 12. January, 2002
• Conference lecture
  Ødegaard, Hallvard; Melin, Esa. (2002) Vannbehandlingsmetoder . Ozon og biofiltrering. NIF Kursdagene, 9-10 januar, 2002, NTNU
• Conference lecture
  Ødegaard, Hallvard; Liao, Zuliang. (2002) Optimization of dual coarse media filtration for enhanced primary treatment of municipal wastewater. 10'th Gothenburg Symposium
• Conference lecture
  Melin, Esa; Eikebrokk, Bjørnar; Brugger, Manfred; Ødegaard, Hallvard. (2002) Treatment of Humic Surface Water at Cold Temperatures by Ozonation and Biofiltration. 3�rd World Water Congress, Melbourne, Australia, 7-12 April 2002
• Conference lecture
  Pilipenko, Polina; Ødegaard, Hallvard. (2002) Removal of suspended solids and sludge production in coagulation with cationic polyelectrolytes. The International Congress and Trade Fair "Water: Ecology and Technology" ECWATECH, June 4-7 2002, Moscow, Russia
• Conference lecture
  Pilipenko, Polina; Ødegaard, Hallvard. (2002) Determination of residual polymer in municipal wastewater effluent. International Conference on New Trends in Water and Environmental Engineering for Safety and Life: Eco-compatible Solutions f r Aquatic EnvironmentsJune
• Conference lecture
  Melin, Esa; Helness, Herman; Ødegaard, Hallvard. (2002) Dissolved air flotation of bioreactor effluent using low dosages of polymer and iron. 10'th Gothenburg Symposium
• Conference lecture
  Saltnes, Torgeir; Eikebrokk, Bjørnar; Ødegaard, Hallvard. (2002) Metal residuals in contact filtration of humic drinking water. 10'th Gothenburg Symposim
• Conference lecture
  Liao, Zuliang; Rasmussen, Vibeke; Ødegaard, Hallvard. (2002) A high-rate secondary treatment based on a moving bed biofiolm reactor and multimedia filters for small wastewater treatment plants. 5`th Specialized Conference on Small Water and Wastewater Treatment Systems, Istanbul, Turkey 23.-25. Sept., 2002
• Conference lecture
  Ødegaard, Hallvard. (2002) Trender og faglige utfordringer innen VA. Årsmøteseminar NORVAR, Hamar, 17.09.02
• Conference lecture
  Ødegaard, Hallvard; Melin, Esa. (2002) Ozonering/biofiltrering for behandling av humusholdig vann. Nordisk Drikkevannskonferanse, Gøteborg, 2.-3. September, 2002

2001

• Conference lecture
  Ødegaard, Hallvard. (2001) Bruk av ozonering/biofiltrering i norsk vannbehandling. Fordeler og ulemper. Norsk Drikkevannskonferanse, Haugesund, 29-31.05.2001.
• Conference lecture
  Ødegaard, Hallvard. (2001) Evaluering av avløpsdirektivets krav til sekundærrensing med utgangspunkt I kjemiske renseanlegg. SFT seminar, Trondheim, April 2001
• Conference lecture
  Liao, Zuliang; Ødegaard, Hallvard. (2001) Course media filtration for enhanced primary treatment of municipal wastewater. 2�nd IWA World Congress, Berlin, October 2001
• Conference lecture
  Ødegaard, Hallvard; Paulsrud, Bjarne; Karlsson, Ingemar. (2001) Sludge disposal strategies and corresponding treatment technologies aimed at sustainable handling of wastewater sludge. Euro-CASE workshop on �Wastewater sludge as a challenge�, TU Wien, Vienna, June 25, 2001.
• Conference lecture
  Ødegaard, Hallvard; Paulsrud, Bjarne; Karlsson, Ingemar. (2001) Wastewater sludge as a resource - Sludge disposal strategies and corresponding treatment technologies aimed at sustainable handling of wastewater sludge. IWA Specialized Conf. On: Sludge Management: regulation, treatment, utilization and disposal, October 25-27, 2001, Acapulco, exico
• Conference lecture
  Ødegaard, Hallvard. (2001) Trends in wastewater treatment �with special relevance to the moving bed bioilm process. Kaldnes Seminar, Hamar, Norway 2.-6. March, 2001
• Conference lecture
  Ødegaard, Hallvard. (2001) Oppgradering av norske renseanlegg mot SFT�s nye krav til primær- og sekundærrensing. NORVAR-seminar Gardermoen, Oktober 2001.
• Conference lecture
  Eikebrokk, Bjørnar; Gjessing, Egil; Ødegaard, Hallvard. (2001) Why NOM is important. AWWARF/AWQC/Vivendi/ Berlin Wasser Workshop: Utilization of NOM Characteristics to improve Process Selection and Performance. Berlin, October 9.-12., 2001
• Conference lecture
  Ødegaard, Hallvard; Eikebrokk, Bjørnar; Thorsen, Thor; Melin, Esa; Saltnes, Torgeir. (2001) Recent progress in water purifuication including membrane filtratiojn in Northern Europe. International Symposium on Water Resources and Water Supply in 21�st Century. Univ. of Sapporo, Japan, 5.-6. October, 2001
• Conference lecture
  Ødegaard, Hallvard. (2001) Vannbehandling som hygienisk barriere. Møte i Norsk Vannforening, Oslo 12.12.2001
• Conference lecture
  Eikebrokk, Bjørnar; Thorsen, Thor; Melin, Esa; Ødegaard, Hallvard. (2001) Promising NOM Removal Technologies. AWWARF/AWQC/Vivendi/ Berlin Wasser Workshop: Utilizatrion of NOM Characteristics to improve Process Selection and Performance Berlin, October 9.-12., 2001
• Conference lecture
  Ødegaard, Hallvard. (2001) Trender vedrørende drikkevannskvalitet og vannkvalitetsstandarder�. NIF Kursdagene, 9.-10. januar 2002, NTNU
• Conference lecture
  Ødegaard, Hallvard. (2001) SFT�s rolle I forvaltningen av kommunale utslipp. Årsmøteseminar I Norsk Vannforening, SFT Helsfyr, 15.03.01
• Conference lecture
  Ødegaard, Hallvard. (2001) Valg av avløpsrensemetode med utgangspunkt i nye forskrifter og direktiver og internasjonale trender. Juleseminaret, NORVAR/Norsk Vannforening, Oslo, Desember 2001
• Conference lecture
  Ødegaard, Hallvard. (2001) Membranes � good or bad for Kaldnes?. Kaldnes Seminar, Hamar, Norway 2.-6. March, 2001
• Conference lecture
  Leiknes, Tor Ove; Ødegaard, Hallvard. (2001) Moving Bed Biofilm Membrane Reactor (MBB-M-R): Characteristics and Potentials os a Hybrid Process Design for Compact Wastewater Treatment Plants. Engineering with Membranes June 1-3, 2001 Granada, Spain

2000

• Lecture
  Machenbach, Ingo; Ødegaard, Hallvard. (2000) Drinking water production by enhanced coagulation and membrane filtration. Conférence des Grandes Écoles, 3rd French-Norwegian Seminar
• Conference lecture
  Melin, Esa; Fløgstad, Harald; Ødegaard, Hallvard; Eikebrokk, Bjørnar. (2000) Dannelse av desinfeksjonsbiprodukter ved klorering og ozonering av humusvann. Drikkevannsforskning 2000, Kursdagene NTNU
• Conference lecture
  Ødegaard, Hallvard. (2000) Kommunal avløpsrensing I kyst- og fjordområder-Behov for rensetiltak-Egnede rensetiltak. Seminar Norsk Vannforening,
• Conference lecture
  Melin, Esa; Fløgstad, Harald; Ødegaard, Hallvard; Eikebrokk, Bjørnar. (2000) Dannelse av desinfeksjons-biprodukter ved klorering og ozonering av humusvann. Kursdagene NTNU, 5.-7. januar 2000, Norske Sivilingeniuørers Forening. (1999)
• Conference lecture
  Melin, Esa; Ødegaard, Hallvard. (2000) Optimalisering av ozonering/biofiltrering for fjerning av humus i drikkevann. Kursdagene NTNU, 5.-7. januar 2000
• Conference lecture
  Ødegaard, Hallvard; Gisvold, Birgitte; Helness, Herman. (2000) High rate biological/chemical treatment based on the moving bed biofilm process combined with coagulation. 9'th Gothenburg Symposium
• Conference lecture
  Helness, Herman; Ødegaard, Hallvard. (2000) Biological phosporous and nitrogen removal in a sequencing batch moving bed biofilm reactor. 1'st World Water Congress of International Water Association (IWA)
• Conference lecture
  Ødegaard, Hallvard. (2000) Compact on-site treatment methods for communities - Norwegian experiences. Proc. EURO Summer School, DESAR � Decentralized sanitation and reuse. Wageningen University, The Netherlands June 18-23, 2000
• Conference lecture
  Ødegaard, Hallvard. (2000) Wastewater as a resource-What are the obtions?. Proc. Euro-CASE Workshop on: Wastewater as a Resource, Institute de France, Paris 07.07.2000
• Conference lecture
  Ødegaard, Hallvard. (2000) The use of dissolved air flotation in municipal wastewater treatment. The 4�th Int. Specialized IWA Conf. on Flotation in water and waste water treatment
• Conference lecture
  Watanabe, Yoshimasa; Hasegawa, T.; Shimanuki, Y; Ødegaard, Hallvard. (2000) Phosphorous recycling from pre-coagulated wastewater sludge. Dissolution of coagulated sludge by enzyme and organic acid secreted from plant roots. 9'th Gothenburg Symposim
• Conference lecture
  Ødegaard, Hallvard. (2000) Wastewater as a resource-What are the obtions?. Wastewater as a resource
• Conference lecture
  Ødegaard, Hallvard. (2000) Compact on-site treatment methods for communities - Norwegian experiences. EURO Summer School, DESAR - Dezentralized sanitation and resuse
• Conference lecture
  Ødegaard, Hallvard. (2000) The use of dissolved air flotation in municipal wastewater treatment. The 4'th International Conference on Flotation in Water and Wastewater Treatment
• Lecture
  Ødegaard, Hallvard. (2000) Behovet for rensing ut fra et teknisk/hygienisk synspunkt - egnede rensetiltak. Kommunal avløpsrensing i fjord- og kystområder
• Conference lecture
  Ødegaard, Hallvard. (2000) Experiences on processes for removal of humic substances from water. [Mangler data]
• Conference lecture
  Ødegaard, Hallvard. (2000) Advanced Technologies for Wastewater Treatment. Workshop on : Advanced Technologies for Wastewater Treatment
• Conference lecture
  Ødegaard, Hallvard. (2000) Processes for the removal of humic substances from water. Symposium on Humic Substances. Science and Applicaions
• Conference lecture
  Ødegaard, Hallvard. (2000) Optimalisering av vannbehandling basert på ozonering/biofiltrering. Drikkevannsforskning 2000, Kursdagene NTNU
• Conference lecture
  Ødegaard, Hallvard. (2000) Compact wastewater treatment based on coagulation and moving bed biofilm reactors. [Mangler data]
• Conference lecture
  Ødegaard, Hallvard. (2000) Norway,its water resources and water treatment technologies. [Mangler data]
• Conference lecture
  Ødegaard, Hallvard. (2000) The alternative wastewater treatment approach based on coagulationj, biofilm processes and recycling of sludge products. [Mangler data]
• Conference lecture
  Ødegaard, Hallvard. (2000) Optimization of humic substance removal processes. [Mangler data]

1999

• Conference lecture
  Ødegaard, Hallvard. (1999) Oppryddingen på avløpssektoren fullført innen år 2000. Aktuelle utslippsreduserende tiltak for renseanlegg (11). Kursdagene 1999
• Conference lecture
  Ødegaard, Hallvard. (1999) Opprydding på avløpssektoren fullført innen år 2000. Kritisk blikk på norsk avløpspolitikk.(2). Kursdagene 1999
• Conference lecture
  Ødegaard, Hallvard. (1999) Are conventional treatment methods sustainable. 4'th International Conf. on Managing the wastewater resources
• Conference lecture
  Ødegaard, Hallvard. (1999) Design of ozonation/filtration plants for the removal of humic substances from water. Vattendagen
• Conference lecture
  Ødegaard, Hallvard. (1999) Evaluation of different treatment methods. International seminar on chemical treatment of wastewater.
• Conference lecture
  Ødegaard, Hallvard. (1999) Effect of pre-treatment on process performance. COST 624, WG5-Treatment scenarios Working Group Meeting.
• Conference lecture
  Melin, Esa; Bohne, Rolf Andre; Sjøvold, Frøydis; Ødegaard, Hallvard. (1999) Treatment of ozonated water in biofilters containing different media. IAWQ Conference on Biofilm Systems
• Conference lecture
  Gisvold, Birgitte; Ødegaard, Hallvard; Føllesdal, M.. (1999) Enhanced removal of ammonium by combined nitrification/adsorption in expanded clay aggregate filters. IAWQ Conference on Biofilm Systems.
• Conference lecture
  Ødegaard, Hallvard; Eikebrokk, Bjørnar; Storhaug, Ragnar. (1999) Processes for the removal of humic substances from water - an overview based on Norwegian experiences. IAWQ/IWSA Specialized Conf. on Removal of Humic Substances from Water.
• Conference lecture
  Ødegaard, Hallvard; Gisvold, Birgitte; Strickland, Jonathan. (1999) The influence of carrier size and shape in the moving bed biofilm process. IAWQ Conference on Biofilm Systems.
• Conference lecture
  Jahren, Sigrun; Rintala, Jukka A.; Ødegaard, Hallvard. (1999) Aerobic moving bed biofilm reactor treating thermomechanical pulping(TMP) whitewater under thermophilic conditions. The African International Environmental Protection Symposium '99.
• Conference lecture
  Ødegaard, Hallvard; Thorsen, Thor; Melin, Esa. (1999) Practical experiences from membrane filtration plants for humic substance removal. IAWQ Specialized Conference on Membrane Technology in Environmental Management.
• Conference lecture
  Ødegaard, Hallvard. (1999) Advanced compact wastewater treatment based on coagulation and moving bed biofilm process. International Symposium on Development of Innovative Water and Wastewater Treatment Technologies for the 21'st Century.
• Conference lecture
  Ødegaard, Hallvard; Melin, Esa. (1999) Biofiltration of ozonated humic water in expanded clay aggregate filters. IAWQ/IWSA Specialized Conference on Removal of Humic Substances from Water.
• Conference lecture
  Gisvold, Birgitte; Ødegaard, Hallvard; Föllesdal, M.. (1999) Enhancing the removal of Ammonia in nitrifying Biofilters by the use of a Zeolite containing expanded clay Aggregate filtermedia. 8'th IAWQ Conference on Large Wastewater Treatment Plants
• Conference lecture
  Ødegaard, Hallvard; Helness, Herman. (1999) Biological phosphorus removal in a sequencing batch moving bed biofilm reactor. Nordisk konferanse om:Nitrogenfjerning og biologisk fosforfjerning
• Conference lecture
  Ødegaard, Hallvard. (1999) The influence of wastewater characteristics on choice of wastewater treatment method. Nitrogen removal and biological phosphate removal
• Conference lecture
  Jahren, Sigrun; Ødegaard, Hallvard; Rintala, Jukka A.. (1999) Anaerobic thermophilic (+55C) treatment of TMP whitewater in reactors based on biomass attachment and entrapment. 6'th IAWQ Symposium on Forest Industry Wastewaters
• Conference lecture
  Helness, Herman; Ødegaard, Hallvard. (1999) Biological phosphorus and nitrogen removal in a moving bed biofilm reactor. Nordisk konferanse om:"Nitrogenfjerning og biologisk fosforfjerning"
• Conference poster
  Ødegaard, Hallvard. (1999) Alternative metoder for fjerning av fosfor - fordeler og ulemper med ulike metoder. Kommunalteknikk'99

1998

• Conference lecture
  Jahren, Sigrun; Ødegaard, Hallvard. (1998) Treatment of thermomechanical pulping (TMP) whitewater in anaerobic-aerobic thermophilic (55ºC) moving bed biofilm reactors. Fifth Latin American Workshop-Seminar in Wastewater Anaerobic Treatment
• Conference lecture
  Ødegaard, Hallvard; Ulgenes, Y.; Helness, Herman; Liao, Zuliang. (1998) High rate particle separation in floating filters. VAR-Forskningsdagene '98
• Conference lecture
  Jahren, Sigrun; Ødegaard, Hallvard. (1998) Treatment of concentrated wastewater in thermophilic anaerobic-aerobic moving bed biofilm reactors. VAR-Forskningsdagene '98
• Conference lecture
  Melin, Esa; Ødegaard, Hallvard. (1998) Removal of organic ozonation by-products (OBPs) in biological filters. VAR-Forskningsdagene '98
• Conference lecture
  Helness, Herman; Ødegaard, Hallvard. (1998) Biological phosphorus removal in a sequencing batch moving bed biofilm reactor. VAR-Forskningsdagene '98
• Conference lecture
  Gisvold, Birgitte; Ødegaard, Hallvard. (1998) Høybelastede biofilmanlegg basert på suspendert bæremateriale. VAR-Forskningsdagene '98
• Conference lecture
  Leiknes, Tor Ove; Alvik, Solveig; Ødegaard, Hallvard. (1998) Removal of ammonium in filters based on expanded clay media (Filtrate ZL). VAR-Forskningsdagene '98
• Lecture
  Ødegaard, Hallvard. (1998) Koagulering og flokkulering i avløpsrensing. [Mangler data]
• Lecture
  Ødegaard, Hallvard. (1998) The moving bed biofilm process. [Mangler data]
• Lecture
  Ødegaard, Hallvard. (1998) The influense of carrier size and shape in the moving bed biofilm process. Anglian Water Suspended carrier Seminar
• Lecture
  Ødegaard, Hallvard. (1998) Utviklingen innen rensing av avløpsvann - Salsnes filter sin mulige plass i dette bildet. Strategisamling Salsnes Filter
• Conference lecture
  Ødegaard, Hallvard. (1998) Bærekraftig avløpsrensing for fremtiden. Bedre avløpsteknikk for det 21. århundre
• Conference lecture
  Ødegaard, Hallvard; Helness, Herman. (1998) Floating filters for particle removal in wastewater treatment. WEC/EWPCA/IWEM Speciality Conference, INNOVATION 2000
• Conference lecture
  Ødegaard, Hallvard; Ulgenes, Yngve; Brevik, Dag; Liao, Zuliang. (1998) Enhanced primary treatment in floating filters. 8th Gothenburg Symposium 1998
• Conference lecture
  Ødegaard, Hallvard; Rusten, Bjørn; Siljudalen, J.. (1998) The development of the moving bed biofilm process - from idea to commercial product. WEC/EWPCA/IWEM Speciality Conference, INNOVATION 2000
• Conference lecture
  Helness, Herman; Ødegaard, Hallvard. (1998) Biological phosphorus removal in a sequencing batch moving bed biofilm reactor. 2nd Int. Conf. on Advanced Wastewater Treatment
• Conference lecture
  Ødegaard, Hallvard. (1998) Norwegian experiences with small wastewater treatment plants. The Third Lithuanian seminar on Small Wastewater Treatment Plants
• Conference lecture
  Ødegaard, Hallvard. (1998) Åpningsforedrag "Drikkevann mot år 2000". Kursdagene '98: Drikkvann mot år 2000
• Conference lecture
  Melin, Esa; Ødegaard, Hallvard. (1998) Ozonation/biofiltration process for small treatment plants - case study in Nes Community, Norway. 19th Biennial conference of the International Association on Water Quality
• Conference poster
  Jahren, Sigrun; Ødegaard, Hallvard. (1998) Treatment of concentrated wastewater in thermophilic anaerobic-aerobic moving bed biofilm reactors. The 19th Biennial Conference of the International Association on Water Quality
• Conference lecture
  Machenbach, Ingo; Ødegaard, Hallvard. (1998) Improvement of anaerobic digestion of sewage sludge by thermal hydrolysis. VAR-forskningsdagene '98

1997

• Lecture
  Ødegaard, Hallvard. (1997) Samspill avløpsnett - renseanlegg : kjemiske - biologiske renseanlegg, partikkelseparering, rensing av overløp. Kursdagene ved NTNU 1997. NIF-seminar
• Conference lecture
  Æsøy, Anette; Ødegaard, Hallvard; Hægh, Marius; Rislå, Frode; Berntzen, Greta. (1997) Upgrading wastewater treatment plants by the use of biofilm carriers, oxygen addition and pre-treatment in the sewer network. IAWQ/IWSA Conference on Upgrading of Water and Wastewater Syste ms.
• Conference lecture
  Æsøy, Anette; Ødegaard, Hallvard; Bentzen, Greta. (1997) The effect of sulphide and organic matter on the nitrification activity in a biofilm process. Proc. 2'nd Int. Conf. On : The Sewer as a Physical, Chemical an d Biological Reactor
• Conference lecture
  Andersson, B.; Aspegren, H.; Nyberg, U.; Jansen, J. La Cour; Ødegaard, Hallvard. (1997) Increasing the capacity of an extended nutrient removal plant by using different techniques. IAWQ/IWSA Conference on Upgrading of Water and Wastewater Syste ms.
• Conference lecture
  Ødegaard, Hallvard. (1997) Optimisation of particle separation in the primary treatment before coastal discharges. WPMC '97, International Conference on Water Problems in the Med iterranean Countries
• Conference lecture
  Thorsen, Thor; Harz, Anders; Ødegaard, Hallvard. (1997) Influence of raw water characteristics and membrane pore size on the performance of ultrafilters for NOM (humic substances) removal. 21st International Water Supply Congress & Exhibition (1997-09- 20/26)
• Conference lecture
  Ødegaard, Hallvard. (1997) Optimised particle separation in the primary step of wastewater treatment. IAWQ/IWSA Particle Separation Workshop (1997-07-01/02)

1996

• Conference lecture
  Æsøy, Anette; Ødegaard, Hallvard; Sandberg, R.. (1996) Anoxic degradation of dissolved COD for enhanced organic matter removal in compact chemical treatment plants. 7th International Gothenburg Symposium on Chemical Treatment
• Conference lecture
  Æsøy, Anette; Storfjell, Målfrid; Mellgren, Lovisa; Helness, Herman; Thorvaldsen, Gøril; Ødegaard, Hallvard; Bentzen, Greta. (1996) A comparison of biofilm growth and water quality changes in sewers with anoxic and anaerobic (septic) condition respectively. 3rd International IAWQ Specialized Conference on Biofilm System s
• Conference lecture
  Ødegaard, Hallvard. (1996) The development of an ozonation/biofiltration process for the removal of humic substances. 3rd International Slow Sand/Alternative Biofiltration Conferenc e
• Conference lecture
  Ødegaard, Hallvard. (1996) Rensetekniske tiltak i kystområder : utfordringer og muligheter. VAR-dagene '96
• Conference lecture
  Ødegaard, Hallvard. (1996) Norwegian experiences with small wastewater treatment plants (Johkasou). International Symposium on the Jokhasou System
• Conference lecture
  Ødegaard, Hallvard. (1996) Economic and ecological aspects of wastewater treatment with biological and chemical means. 7th International Gothemburg Symposium on Chemical Treatment
• Conference lecture
  Ødegaard, Hallvard; Barlindhaug, John; Bøhleng, Erik; Æsøy, Anette. (1996) Wastewater treatment and resources reuse based on pre-precipitation, biofilm reactors and thermal sludge hydrolysis. 7th International Gothenburg Symposium on Chemical Treatment

1995

• Conference lecture
  Barlindhaug, John; Ødegaard, Hallvard. (1995) Nitrogen removal in a moving bed biofilm process with thermal hydrolysate as carbon source. Seminar on Nitrogen Removal from Municipal Wastewater
• Conference lecture
  Ødegaard, Hallvard. (1995) Environmental impact and cost efficiency in municipal wastewater treatment. 5th Stockholm Water Symposium
• Conference lecture
  Rusten, Bjørn; Kolkinn, Odd; Ødegaard, Hallvard. (1995) Moving bed biofilm reactors and chemical precipitation for high efficiency treatment of wastewater from small communities. IAWQ International Spec. Conference on Large Wastewater Treatme nt Plants
• Conference lecture
  Barlindhaug, John; Ødegaard, Hallvard. (1995) Thermal hydrolysate as a carbon source for denitrification. IAWQ International Spec. Conference on Large Wastewater Treatme nt Plants
• Conference lecture
  Andersson, B.; Aspegren, H.; Nyberg, U.; Jansen, J. la Cour; Ødegaard, Hallvard. (1995) Upgrading of a wastewater treatment plant based on a site-specific test approach. IAWQ International Spec. Conference on Large Wastewater Treatme nt Plants
• Conference lecture
  Ødegaard, Hallvard; Skrøvseth, Anne F.. (1995) An evaluation of performance and process stability of different processes for small wastewater treatment plants. IAWQ International Spec. Conference on Large Wastewater Treatme nt Plants
• Conference lecture
  Ødegaard, Hallvard; Barlindhaug, John. (1995) Advanced wastewater treatment based on pre-precipitation, post-denitrification in moving bed biofilm reactors and sludge hydrolysate as carbon source. 8. Fachtagung "Weiteregehende Abwasserreinigung als Beitrag zum Schutz von Nord- und Ostsee"
• Lecture
  Ødegaard, Hallvard. (1995) The KMT process : development and future. Anglian Water/Kaldnes miljøteknologi-seminar
• Lecture
  Ødegaard, Hallvard. (1995) The future for chemical wastewater treatment. HYDROGAS-seminar
• Lecture
  Ødegaard, Hallvard. (1995) Process design optimization for nitrogen removal. Nordic Seminar on "Nitrogen Removal from Municipal Wastewater"
• Lecture
  Ødegaard, Hallvard. (1995) Betydningen av praktisk FoU i forbindelse med gjennomføring av ny drikkevannsforskrift. Møte i Norsk vannforening
• Lecture
  Ødegaard, Hallvard. (1995) Water supply : use and recycling. CAETS Convocation of Engineering Academics
• Lecture
  Ødegaard, Hallvard. (1995) Environmental impact and cost efficiency in municipal wastewater treatment. Seminar Helsinki-kommisjonen
• Lecture
  Ødegaard, Hallvard. (1995) Alternative metoder for humusfjerning : hvor går trenden for små vannverk?. Møte i Norsk vannforening/VAR-forum

1994

• Conference lecture
  Barlindhaug, John; Æsøy, Anette; Ødegaard, Hallvard. (1994) Slam som ressurs. VAR-dagene ved NTH
• Conference lecture
  Barlindhaug, John; Æsøy, Anette; Ødegaard, Hallvard. (1994) Utnyttelse av slam som karbonkilde for denitrifikasjon. Kursdagene ved NTH 1994: Slambehandlingsmetoder i lys av det nye regelverket for kommunalt slam
• Conference lecture
  Ødegaard, Hallvard. (1994) Skandinavische Erfahrungen mit Forf@ællung und Nach-Denitrifikation mit externer Kohlenstoffquelle in der Abwasserreinigung. @ØWAV-Seminar
• Conference lecture
  Ødegaard, Hallvard; Rusten, Bjørn. (1994) Das "moving bed biofilm" - Verfahren. @ØWAV-Seminar
• Conference lecture
  Ødegaard, Hallvard; Barlindhaug, John; Æsøy, Anette. (1994) Intern ressursutnyttelse av slam i renseanlegg for fjerning av nitrogen. International Federation of Municipal Engineers Congress
• Conference lecture
  Ødegaard, Hallvard. (1994) Behovet for korrosjonskontroll. VAR-dagene 1994
• Conference lecture
  Ødegaard, Hallvard. (1994) Driftsoptimalisering av avløpsrenseanlegg. VAR-dagene 1994
• Conference lecture
  Ødegaard, Hallvard. (1994) Optimization of flocculation/flotation in chemical wastewater treatment. IAWQ-IWSA-AWWA-Joint Specialized Conference Flotation Processes in Water and Sludge Treatment
• Conference lecture
  Ødegaard, Hallvard. (1994) Norwegian experiences with chemical treatment of raw wastewater. The R^ole of coagulants in water and wastewater treatment
• Conference lecture
  Rusten, Bjørn; Kolkinn, Odd; Ødegaard, Hallvard. (1994) Moving bed biofilm reactors and chemical precipitation for high efficiency treatment of wastewater from small communities. Water Environment Federation. 67. Annual Conference
• Lecture
  Ødegaard, Hallvard. (1994) Norges forskningsråd og vannforskningen. [Mangler data]
• Lecture
  Ødegaard, Hallvard. (1994) Tiltak mot marin eutrofiering : rensetekniske utfordringer og løsninger. [Mangler data]
• Lecture
  Ødegaard, Hallvard. (1994) Norske teknologiske nyvinninger innen avløpsområdet. Norsk vannforenings seminar
• Lecture
  Ødegaard, Hallvard. (1994) Future of chemical treatment. Seminar on Chemical Treatment
• Lecture
  Ødegaard, Hallvard. (1994) Norsk råvannskvalitet i et europeisk perspektiv. Seminar Norsk vannforening
• Lecture
  Ødegaard, Hallvard. (1994) Chemical treatment of municipal wastewater - available alternative?. Hydrogas-seminar
• Lecture
  Ødegaard, Hallvard. (1994) Driftsoptimalisering av renseanlegg. [Mangler data]
• Lecture
  Ødegaard, Hallvard. (1994) Future trend in sludgemaking, sludgeprocessing, sludge use and disposal. Seminar Stord Bartz International
• Lecture
  Ødegaard, Hallvard. (1994) Biologisk fosfor-fjerning : muligheter og begrensninger. NORVAR/Norsk vannforenings juleseminar
• Lecture
  Ødegaard, Hallvard. (1994) Hva betyr EU-medlemskap for norsk VA-teknikk. VAR-Forum
• Lecture
  Ødegaard, Hallvard. (1994) Experiences with the KMT moving bed biofilm process. NORVIRON-seminar
• Lecture
  Ødegaard, Hallvard. (1994) Water quality : wastewater and their treatment. [Mangler data]
• Lecture
  Ødegaard, Hallvard. (1994) Norsk miljøteknologi framover : en utfordring for høgskoler/universiteter. Aquateam A/S 10års jubileum

1993

• Conference lecture
  Nordeidet, Bjørnar; Ødegaard, Hallvard; Rusten, Bjørn. (1993) Phosphorus requirements for tertiary nitrification in a biofilm. International Specialized Conference on Biofilm Reactors (2 : 1993 : Paris)
• Conference lecture
  Ødegaard, Hallvard; al., [Mangler fornavn] et. (1993) Nutrient removal and control at a wastewater treatment plant in Malmø. Europæisches Abwasser- und Abfallsymposium (9 : 1993 : Mynchen)
• Conference lecture
  Ødegaard, Hallvard; Badin, H.; Rusten, Bjørn. (1993) Small wastewater treatment plants based on moving bed biofilm reactors. International Specialized Conference on Design and Operation of Small Wastewater Treatment Plants (2 : 1993 : Trondheim)
• Conference lecture
  Æsøy, Anette; Ødegaard, Hallvard. (1993) Denitrification in biofilms with biologically hydrolysed sludge as carbon source. International Specialized Conference on Biofilm Reactors (2 : 1993 : Paris)
• Conference lecture
  Ødegaard, Hallvard; Rusten, Bjørn. (1993) A new moving bed biofilm reactor : applications and results. International Specialized Conference on Biofilm Reactors (2 : 1993 : Paris)
• Conference lecture
  Ødegaard, Hallvard; Rusten, Bjørn. (1993) Norwegian experiences with nitrogen removal in a moving bed biofilm reactor. Europæisches Abwasser- und Abfallsymposium (9 : 1993 : Mynchen)

1992

• Conference lecture
  Ødegaard, Hallvard. (1992) Future strategies for the removal of nitrogen in municipal wastewater. Nordisk konferanse om kvælstoff-fjernelse i kommunale renseanlæg (1992 : København).

1986

• Conference lecture
  Ødegaard, Hallvard; Brattebø, Helge; Eikebrokk, Bjørnar; Thorsen, Thor. (1986) Removal of Humic Substances from Water. International Humic Substances Society third International Meeting