Background and activities
Major research areas
- Hydrothermal processing of biomass for production of biofuels and chemicals
- Process intensification and integration
- Torrefaction and densification of biomass fuels
- Biomass combustion for heat and power generation
- Pyrolysis and gasification of biomass
- Kinetic modelling for thermochemical conversions of biomass
- Combustion emission control and gas cleaning
- Ash treatment and utilisation
- Environmental catalysis
Teaching
Scientific, academic and artistic work
Displaying a selection of activities. See all publications in the database
Journal publications
- (2018) Wet torrefaction of biomass for high quality solid fuel production: A review. Renewable & Sustainable Energy Reviews. vol. 91.
- (2018) Catalytic effect of oil shale ash on CO2 gasification of leached wheat straw and reed chars. Energy. vol. 152.
- (2017) A kinetic study on simultaneously boosting the mass and fixed-carbon yield of charcoal production via atmospheric carbonization. Energy Procedia. vol. 120.
- (2017) Combustion kinetics of wet-torrefied forest residues using the distributed activation energy model - DAEM. Applied Energy. vol. 185 (2).
- (2017) Comparative study on the thermal degradation of dry- and wet-torrefied woods. Applied Energy. vol. 185 (2).
- (2017) Pyrolysis characteristics and kinetics of biomass torrefied in various atmospheres. Energy Conversion and Management. vol. 141.
- (2017) CO2 Gasification of Charcoals in the Context of Metallurgical Application. Energy Procedia. vol. 105.
- (2017) Selective dissolution of woody biomass under hydrothermal conditions. Energy Procedia. vol. 142.
- (2017) Biocarbonization process for high quality energy carriers: Techno-economics. Energy Procedia. vol. 105.
- (2017) Techno-economic assessment of thermal co-pretreatment and co-digestion of food wastes and sewage sludge for heat, power and biochar production. Energy Procedia. vol. 105.
- (2017) Techno-economic assessment of integrated hydrochar and high-grade activated carbon production for electricity generation and storage. Energy Procedia. vol. 120.
- (2017) Geometrical flexibility of platinum nanoclusters: impacts on catalytic decomposition of ethylene glycol. Physical Chemistry, Chemical Physics - PCCP. vol. 19 (42).
- (2017) Simultaneously boosting the mass and fixed-carbon yields of charcoal from forest residue via atmospheric carbonization. Energy Procedia. vol. 105.
- (2017) Fast hydrothermal liquefaction of native and torrefied wood. Energy Procedia. vol. 105.
- (2017) CFD pre-study of Nozzle reactor for fast hydrothermal liquefaction. Energy Procedia. vol. 142.
- (2017) Thermogravimetric and Online Gas Analysis on various Biomass Fuels. Energy Procedia. vol. 105.
- (2016) Fast hydrothermal liquefaction of macro-alga: Characterization of products. Chemical Engineering Transactions. vol. 50.
- (2016) Hydrothermal pretreatment of fresh forest residues: Effects of feedstock drying. Biomass & Bioenergy. vol. 85.
- (2016) Pyrolysis of microalgae residues - A Kinetic study. Bioresource Technology. vol. 199.
- (2016) CO2 Gasification of Charcoals Produced at Various Pressures. Fuel processing technology. vol. 152.
- (2016) Fast hydrothermal liquefaction for production of chemicals and biofuels from wet biomass - The need to develop a plug-flow reactor. Bioresource Technology. vol. 213.
- (2016) Distributed Activation Energy Modelling for Thermal Decomposition of Microalgae Residues. Chemical Engineering Transactions. vol. 50.
- (2016) Isothermal and non-isothermal kinetic study on CO2 gasification of torrefied forest residues. Biomass & Bioenergy. vol. 91.
- (2016) Thermal Decomposition of Biochar from Oxidative Spruce Torrefaction - A Kinetic Study. Chemical Engineering Transactions. vol. 50.
- (2016) Development of a biomass torrefaction process integrated with oxy-fuel combustion. Bioresource Technology. vol. 199.
- (2016) A molecular dynamics simulation study on seperation selectivity of CO2/CH4 mixture in mesoporous carbon. Energy Procedia. vol. 86.
- (2016) CO2 reactivity assessment of woody biomass biocarbons for metallurgical purposes. Chemical Engineering Transactions. vol. 50.
- (2015) Dry and wet torrefaction of woody biomass – A comparative study on combustion kinetics. Energy Procedia. vol. 75.
- (2015) Wet Torrefaction of forest Residues – Combustion Kinetics. Energy Procedia. vol. 75.
- (2015) Accelerating wet torrefaction rate and ash removal by carbon dioxide addition. Fuel processing technology. vol. 140.
- (2015) Effects of Wet Torrefaction on Pyrolysis of Woody Biomass Fuels. Energy. vol. 88.
- (2015) CHP-Integrated Fischer-Tropsch Biocrude Production under Norwegian Conditions: Techno-Economic Analysis. Energy & Fuels. vol. 29 (2).
- (2015) A novel approach for estimating the hydrophobicity of solid biofuels based on contact angle measurements. European biomass conference and exhibition proceedings.
- (2015) A Simulation study on the torrefied biomass gasification. Energy Conversion and Management. vol. 90.
- (2015) The role of a structure directing agent tetramethylammonium template in the initial steps of silicate oligomerization in aqueous solution. Physical Chemistry, Chemical Physics - PCCP. vol. 17 (34).
- (2014) OPTIMIZATION OF BIOCRUDE PRODUCTION THROUGH CO-PROCESSING TORREFIED BIOMASS WITH LOW-GRADE WET BIOMASS IN DUAL ENTRAINED FLOW GASIFICATION AND STEAM HYDROGASIFICATION. European biomass conference and exhibition proceedings.
- (2014) Techno-economic Analysis of Biomass to Fischer-Tropsch Diesel Production With and Without CCS under Norwegian Conditions. Energy Procedia. vol. 61.
- (2014) Torrefaction kinetics of norwegian biomass fuels. Chemical Engineering Transactions. vol. 37.
- (2014) Influences of wet torrefaction on pelletability and pellet properties of Norwegian forest residues. Annual Transactions - The Nordic Rheology Society. vol. 22 (1).
- (2014) Fast hydrothermal liquefaction of a Norwegian macro-alga: Screening tests. Algal Research. vol. 6.
- (2014) Wet torrefaction of forest residues. Energy Procedia. vol. 61.
- (2014) Effects of CO2 on wet torrefaction of biomass. Energy Procedia. vol. 61.
- (2014) Effects of wet torrefaction on reactivity and kinetics of wood under air combustion conditions. Fuel. vol. 137.
- (2014) Torrefaction influence on pelletability and pellet quality of norwegian forest residues. Energy & Fuels. vol. 28 (4).
- (2014) Non-isothermal pyrolysis of torrefied stump - A comparative kinetic evaluation. Applied Energy. vol. 136.
- (2013) A comparative assessment of wet torrefaction. Energy & Fuels. vol. 27 (11).
- (2013) Performance of a Residential Pellet Combustor Operating on Raw and Torrefied Spruce and Spruce-Derived Residues. Energy & Fuels. vol. 27 (8).
- (2013) Kinetic Behavior of Torrefied Biomass in an Oxidative Environment. Energy & Fuels. vol. 27 (2).
- (2013) Thermal Decomposition Kinetics of Woods with Emphasis on Torrefaction. Energy & Fuels. vol. 27 (10).
- (2013) Stump torrefaction for bioenergy application. Applied Energy. vol. 112.
- (2012) Cost modeling approach and economic analysis of biomass gasification integrated solid oxide fuel cell systems. Journal of Renewable and Sustainable Energy. vol. 4 (4).
- (2012) Techno-economic evaluations of various biomass CHP technologies and policy measures under Norwegian conditions. Energy Procedia. vol. 20.
- (2012) System Design and Optimization Studies of Co-Digestion of Food Waste with Sewage Sludge into Methane Enriched Gas for Heat, Electricity and Activated Char. European biomass conference and exhibition proceedings.
- (2012) Process synthesis and economics of combined biomethanol and CHP energy production derived from biomass wastes. Journal of chemical technology and biotechnology (1986). vol. 87 (7).
- (2012) Torrefaction of Norwegian Birch and Spruce: An Experimental Study Using Macro-TGA. Energy & Fuels. vol. 26 (8).
- (2011) Combined methanol and CHP energy production derived from biomass wastes with reduced carbon. European biomass conference and exhibition proceedings.
- (2011) Methane rich gas production from biomass pyrolysis for small scale CHP application and char as co-products. European biomass conference and exhibition proceedings.
- (2010) Intensified Pyrolysis of Biomass in Hydrothermal Media. International Review of Chemical Engineering. vol. 2 (1).
- (2009) Fly ash utilization for the development of low NOx bed materials. The Open Fuels & Energy Science Journal. vol. 2.
- (2008) Towards sustainable production of biofuels from microalgae. International Journal of Molecular Sciences. vol. 9 (7).
- (2008) In-situ catalytic abatement of NOx during fluidized bed combustion-A literature study. Applied Catalysis B: Environmental. vol. 78 (1-2).
Part of book/report
- (2016) Hydrochar slurry fuels and high-grade activated carbon for electricity production and storage : conceptual process design and analysis. 2016 IEEE International Conference on Sustainable Energy Technologies (ICSET) Proceedings.
- (2011) Energy and Exergy Analysis of Biomass Gasification with Dried and Torrefied Willow as Feedstocks. 19th European Biomass Conference and Exhibition - Proceedings.
- (2011) Biomass Torrefaction – A Review. Proceedings of the 9th European Conference on Industrial Furnaces and Boilers.
Report/dissertation
- (2014) Development and test of a reaction system for direct liquefaction of Biomass in Hydrothermal Media. 2014.
- (2013) CFD modeling for direct liquefaction of biomass in hydrothermal media. 2013.
Others
- (2015) Intensified hydrothermal processing of biomass for production of biofuels and chemicals. The International Conference on New Horizons in Biotechnology (NHBT-2015) . CSIR and BRSI, India; Trivandrum, Kerala. 2015-11-22 - 2015-11-25.
- (2015) Potential for production and application of bio-carbon in Vietnam. Clean energy in Vietnam after COP21 . University of Science and Technology of Hanoi; Hanoi. 2015-12-17 - 2015-12-18.
- (2014) OPTIMIZATION OF BIOCRUDE PRODUCTION THROUGH CO-PROCESSING TORREFIED BIOMASS WITH LOW-GRADE WET BIOMASS IN DUAL ENTRAINED FLOW GASIFICATION AND STEAM HYDROGASIFICATION. 22nd European Biomass Conference and Exhibition . ETA FLORENCE Renewable Energies; Hamburg. 2014-06-23 - 2014-06-26.
- (2013) Integrated biomass gasification for production of second generation biofuels under Norwegian conditions. International Process Integration Jubilee Conference 2013 . Chalmers Institute of Technology; Gothenberg. 2013-03-18 - 2013-03-20.
- (2012) System Design and Optimization Studies of Co-Digestion of Food Waste with Sewage Sludge into Methane Enriched Gas for Heat, Electricity and Activated Char. 20th European Biomass Conference and Exhibition . EU BC&E 2012; Milano convention centre, Mico, Milan. 2012-06-18 - 2012-06-22.
- (2012) Supercritical water gasification vs. biomethanation:Process simulation under Norwegian conditions. 20th European Biomass Conference and Exhibition (Setting the course for biobased economy) . EU BC&E 2012; Milano convention centre, Mico, Milan, Ital. 2012-06-18 - 2012-06-22.
- (2011) An assessment of boiler ashes in Norway – Treatment and utilization. General Meeting of the Scandinavian-Nordic Section of the Combustion Institute ; Trondheim. 2011-11-28 - 2011-11-29.