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Jafar Safarian

Jafar Safarian

Professor
Department of Materials Science and Engineering
Faculty of Natural Sciences

jafar.safarian@ntnu.no
+4748061765 Gløshaugen, Alfred Getz Vei 2, Bergbygget, room E-309
Research Group Google Scholar
About Publications Teaching Media

About

Fields of interest:

  • Hydrogen and natural gass use in metal production
  • Extractive metallurgy of silicon, ferroalloys, iron and steel,...
  • Purification of silicon for solar applications; vacuum refining, slag refining, gas refining, etc.
  • Production of alumina 
  • Thermodynamics and phase relations in metallurgical systems
  • Kinetics of metallurgical reactions (reduction, oxidation, gasification, evaporation, ...)
  • Hydrometallurgy
  • Carbon materials and their properties for metallurgical processes
  • Transport phenomena in metallurgy (heat transfer and mass transfer)
  • Metallurgical lab; metallurgical furnaces, experimental design, and materials characterization 

Courses: 

MT8200 - Advanced Chemical Metallurgy (https://www.ntnu.edu/studies/courses/MT8200#tab=omEmnet)

TKP4158- Hydrometalluirgical process technology (https://www.ntnu.edu/studies/courses/TKP4158#tab=omEmnet)

TKJ4162-Physical Chemistry: Chemical Thermodynamics (https://www.ntnu.edu/studies/courses/TKJ4162#tab=omEmnet)

 

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2023

  • Hoseinpur Kermani, Arman; Tang, Kai; Ulyashin, Alexander; Palitzch, Wolfram; Safarian, Jafar. (2023) Toward the recovery of solar silicon from end-of-life PVs by vacuum refining. Solar Energy Materials and Solar Cells. volum 521.
    Academic article
  • Kar, Manish Kumar; Safarian, Jafar. (2023) Characteristics of Bauxite Residue–Limestone Pellets as Feedstock for Fe and Al<inf>2</inf>O<inf>3</inf> Recovery. Processes. volum 11 (1).
    Academic article

2022

  • Brustad, Ole Kristian; Låstad, Jonas; Hoseinpur Kermani, Arman; Safarian, Jafar. (2022) Characterization, Calcination and Pre-Reduction of Polymetallic Manganese Nodules by Hydrogen and Methane. Metals. volum 12 (12).
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2022) Carburization of Manganese Oxide Sources by Natural Gas. Metallurgical and Materials Transactions B. volum 53B (2).
    Academic article
  • Goso, Xolisa; Petersen, Jochen; Tangstad, Merete; Safarian, Jafar. (2022) Beneficiation of fluxed titaniferous slag to a marketable titania product using the modified upgraded slag process. Mineral Processing and Extractive Metallurgy: Transactions of the Institute of Mining and Metallurgy. volum 131 (3).
    Academic article
  • Hoseinpur Kermani, Arman; Andersson, Stefan; Müller, Michael; Tang, Kai; Safarian, Jafar. (2022) Boron Removal from Silicon Melt by gas Blowing Technique. High Temperature Materials and Processes. volum 41 (1).
    Academic article
  • Hoseinpur Kermani, Arman; Sergeev, Dmitry; Müller, Michael; Safarian, Jafar. (2022) On the phosphorus evaporation from liquid silicon by Knudsen effusion mass spectrometry. Metallurgical and Materials Transactions B. volum 53B.
    Academic article
  • Jiao, Jian Meng; Safarian, Jafar; Tangstad, Merete. (2022) The Use of Fe-26Si-9B Alloy as Phase Change Material in Si<inf>3</inf>N<inf>4</inf> Container. Crystals. volum 12 (3).
    Academic article
  • Kar, Manish Kumar; Safarian, Jafar; Eijk, Casper van der. (2022) Hydrogen Reduction of High Temperature Sintered and Self- Hardened Pellets of Bauxite Residue produced via the Addition of Limestone and Quicklime. The International Committee for Study of Bauxite, Alumina & Aluminium Conference Proceedings.
    Academic article
  • Kudyba, Artur; Safarian, Jafar. (2022) Manganese and Aluminium Recovery from Ferromanganese Slag and Al White Dross by a High Temperature Smelting-Reduction Process. Materials. volum 15 (2).
    Academic article
  • Mwase, James Malumbo; Vafeias, Michail; Marinos, Danai; Dimitrios, Panias; Safarian, Jafar. (2022) Investigating Aluminum Tri-Hydroxide Production from Sodium Aluminate Solutions in the Pedersen Process. Processes. volum 10 (7).
    Academic article
  • Mwase, James; Safarian, Jafar. (2022) Desilication of Sodium Aluminate Solutions from the Alkaline Leaching of Calcium-Aluminate Slags. Processes. volum 10 (9).
    Academic article
  • Mwase, James; Safarian, Jafar; Vafeias, Michalis; Marinos, Danai; Panias, Dimitrios. (2022) Investigating Aluminum Tri-Hydroxide Production from Sodium Aluminate Solutions in the Pedersen Process. Processes. volum 10 (1370).
    Academic article
  • Rasouli, Azam; Herstad, Karl Edvin; Safarian, Jafar; Tranell, Gabriella. (2022) Magnesiothermic Reduction of Natural Quartz. Metallurgical and Materials Transactions B. volum 53B.
    Academic article
  • Rasouli, Azam; Tsoutsouva, Maria; Safarian, Jafar; Tranell, Gabriella. (2022) Kinetics of Magnesiothermic Reduction of Natural Quartz. Materials. volum 15 (19).
    Academic article
  • Safarian, Jafar. (2022) A sustainable process to produce manganese and its alloys through hydrogen and aluminothermic reduction. Processes. volum 10 (1).
    Academic article
  • Skibelid, Olivia Bogen; Velle, Sander Ose; Vollan, Frida; Eijk, Casper van der; Hoseinpur Kermani, Arman; Safarian, Jafar. (2022) Isothermal Hydrogen Reduction of a Lime-Added Bauxite Residue Agglomerate at Elevated Temperatures for Iron and Alumina Recovery. Materials. volum 15 (17).
    Academic article
  • Tang, Kai; Eijk, Casper van der; Gouttebroze, Sylvain; Du, Qiang; Safarian, Jafar; Tranell, Gabriella. (2022) Rheological properties of Al2O3–CaO–SiO2 slags. Calphad. volum 77.
    Academic article
  • Zhu, Mengyi; Arntsen, Anne Sofie; Safarian, Jafar. (2022) Silicon Recovery Via the Acid Leaching of a Si-Ca-Al Alloy Produced by the SisAl Process. Proceedings of the Silicon for the Chemical & Solar Industry XVI.
    Academic article

2021

  • Goso, Xolisa; Petersen, Jochen; Tangstad, Merete; Safarian, Jafar. (2021) Beneficiation of fluxed titaniferous slag to a marketable titania product using the modified upgraded slag process. Mineral Processing and Extractive Metallurgy: Transactions of the Institute of Mining and Metallurgy.
    Academic article
  • Hoseinpur Kermani, Arman; Andersson, Stefan; Tang, Kai; Safarian, Jafar. (2021) Selective Vacuum Evaporation by the Control of the Chemistry of Gas Phase in Vacuum Refining of Si. Langmuir. volum 37 (24).
    Academic article
  • Jiao, Jianmeng; Tang, Kai; Safarian, Jafar; Grorud, Bettina; Sellevoll, Kathrine; Tangstad, Merete. (2021) High temperature interaction between Si–B alloys and Si3N4. Ceramics International. volum 47 (10).
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Aluminothermic reduction of manganese oxide from selected mno-containing slags. Materials. volum 14 (2).
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Aluminum Recovery from White Aluminum Dross by a Mechanically Activated Phase Separation and Remelting Process. JOM. volum 73 (9).
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Valorization of aluminum dross with copper via high temperature melting to produce al-cu alloys. Materials. volum 14 (15).
    Academic article
  • Lazou, Adamantia; Safarian, Jafar. (2021) Acid leaching of Mn-sludge. Norges teknisk-naturvitenskapelige universitet. 2021.
    Report
  • Lazou, Adamantia; Eijk, Casper van der; Tang, Kai; Balomenos, Efthymios; Kolbeinsen, Leiv; Safarian, Jafar. (2021) The Utilization of Bauxite Residue with a Calcite-Rich Bauxite Ore in the Pedersen Process for Iron and Alumina Extraction. Metallurgical and Materials Transactions B. volum 52B.
    Academic article
  • Lazou, Adamantia; Kolbeinsen, Leiv; Safarian, Jafar. (2021) Evaluation of Calcium Aluminate Slags and Pig Irons Produced from the Smelting-Reduction of Diasporic Bauxite. Materials. volum 14 (24).
    Academic article
  • Safarian, Jafar. (2021) Duplex Process to Produce Ferromanganese and Direct Reduced Iron by Natural Gas. ACS Sustainable Chemistry and Engineering. volum 9 (14).
    Academic article
  • Salehi, Hossein; Seim, Stian; Kolbeinsen, Leiv; Safarian, Jafar. (2021) Phase Transitions and Microstructural Changes During Oxidation and Reduction of a Weathered Ilmenite Concentrate. Mining, Metallurgy & Exploration (MME). volum 38.
    Academic article
  • Zhu, Mengyi; Wu, Guixuan; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Müller, Michael; Safarian, Jafar. (2021) Effects of La2O3 Addition into CaO-SiO2 Slag: Structural Evolution and Impurity Separation from Si-Sn Alloy. Metallurgical and Materials Transactions B. volum 52B (5).
    Academic article
  • Zhu, Mengyi; Yue, Shengying; Wu, Guixuan; Tang, Kai; Xu, Yijiang; Safarian, Jafar. (2021) P removal from Si by Si-Ca-Al alloying-leaching refining: Effect of Al and the CaAl2Si2 phase. Separation and Purification Technology. volum 271.
    Academic article

2020

  • Azof, Fabian Imanasa; Safarian, Jafar. (2020) Leaching kinetics and mechanism of slag produced from smelting-reduction of bauxite for alumina recovery. Hydrometallurgy. volum 195 (105388).
    Academic article
  • Azof, Fabian Imanasa; Tang, Kai; You, Jinglin; Safarian, Jafar. (2020) Synthesis and Characterization of 12CaO·7Al2O3 Slags: The Effects of Impurities and Atmospheres on the Phase Relations. Metallurgical and Materials Transactions B. volum 51.
    Academic article
  • Cheraghi, Alireza; Becker, Hanka; Eftekhari, Hosna; Yoozbashizadeh, Hossein; Safarian, Jafar. (2020) Characterization and calcination behavior of a low-grade manganese ore. Materials Today Communications. volum 25.
    Academic article
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2020) Vacuum refining of silicon at ultra-high tempratures. Vacuum. volum 184.
    Academic article
  • Hu, Kai; Tang, Kai; Lv, Xuewei; Safarian, Jafar; Yan, Zhiming; Song, Bing. (2020) Modeling Viscosity of High Titania Slag. Metallurgical and Materials Transactions B. volum 52B.
    Academic article
  • Jiao, Jian Meng; Grorud, Bettina; Safarian, Jafar; Tangstad, Merete. (2020) The Use of Si-B Alloys in Thermal Energy Storage System. Journal of Physics: Conference Series (JPCS). volum 1527 (1).
    Academic article
  • Lazou, Adamantia; Eijk, Casper van der; Balomenos, Efthymios; Kolbeinsen, Leiv; Safarian, Jafar. (2020) On the Direct Reduction Phenomena of Bauxite Ore Using H2 Gas in a Fixed Bed Reactor. Journal of Sustainable Metallurgy. volum 6 (2).
    Academic article
  • Tranell, Gabriella; Safarian, Jafar; Wallin, Maria. (2020) SisAl – A New Process for Production of Silicon. Silicon for the Chemical and Solar Industry XV.
    Academic chapter/article/Conference paper
  • Zhu, Mengyi; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Safarian, Jafar. (2020) Phosphorus separation from metallurgical-grade silicon by magnesium alloying and acid leaching. Separation and Purification Technology. volum 240.
    Academic article
  • Zhu, Mengyi; Shengying, Yue; Tang, Kai; Safarian, Jafar. (2020) New Insights into Silicon Purification by Alloying-Leaching Refining: A Comparative Study of Mg-Si, Ca-Si, and Ca-Mg-Si Systems. ACS Sustainable Chemistry and Engineering. volum 8 (42).
    Academic article
  • Zhu, Mengyi; Tang, Kai; Safarian, Jafar. (2020) The effect of Ti and Y addition on the microstructure and leaching purification of Ca-alloyed metallurgical silicon. Silicon for the Chemical and Solar Industry XV.
    Academic chapter/article/Conference paper
  • Zhu, Mengyi; Wan, Di; Tang, Kai; Safarian, Jafar. (2020) Impurity removal from Si by Si-Ca-Mg ternary alloying-leaching system. Materials & design. volum 198.
    Academic article

2019

  • Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2019) Kinetics of the leaching of alumina-containing slag for alumina recovery. European Metallurgical Conference 2019, Vol. 2.
    Academic chapter/article/Conference paper
  • Azof, Fabian Imanasa; Vafeias, Michail; Panias, Dimitrios; Safarian, Jafar. (2019) The leachability of a ternary CaO-Al2O3-SiO2 slag produced from smelting-reduction of low-grade bauxite for alumina recovery. Hydrometallurgy. volum 191.
    Academic article
  • Azof, Fabian Imanasa; Yang, Yongxiang; Panias, Dimitrios; Kolbeinsen, Leiv; Safarian, Jafar. (2019) Leaching characteristics and mechanism of the synthetic calcium-aluminate slags for alumina recovery. Hydrometallurgy. volum 185.
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Ringdalen, Eli; Safarian, Jafar. (2019) Kinetics and Mechanism of Low-Grade Manganese Ore Reduction by Natural Gas. Metallurgical and Materials Transactions B. volum 50 (4).
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2019) Gaseous reduction of manganese ores: A review and theoretical insight. Mineral Processing and Extractive Metallurgy Review. volum 41 (3).
    Academic literature review
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2019) Mechanisms of graphite crucible degradation in contact with Si–Al melts at high temperatures and vacuum conditions. Vacuum. volum 171.
    Academic article
  • Hoseinpur Kermani, Arman; Tang, Kai; Safarian, Jafar. (2019) Kinetic study of vacuum evaporation of elements from ternary melts; case of dilute solution of P in Si-Al melts. Separation and Purification Technology. volum 235.
    Academic article
  • Jiao, Jianmeng; Grorud, Bettina; Safarian, Jafar; Tangstad, Merete. (2019) WETTABILITY OF MOLTEN Fe-Si-B ALLOY ON GRAPHITE, Al2O3, AND h-BN SUBSTRATES. 2019. ISBN 0-87339-771-1.
    Academic anthology/Conference proceedings
  • Jiao, Jianmeng; Grorud, Bettina; Sindland, Caroline; Safarian, Jafar; Tang, Kai; Sellevoll, Kathrine; Tangstad, Merete. (2019) The Use of Eutectic Fe-Si-B Alloy as a Phase Change Material in Thermal Energy Storage Systems. Materials. volum 12 (14).
    Academic article
  • Jiao, Jianmeng; Safarian, Jafar; Grorud, Bettina; Tangstad, Merete. (2019) High Temperature Interaction of Si-B Alloys with Graphite Crucible in Thermal Energy Storage Systems. Materials. volum 13 (29).
    Academic article
  • Tangstad, Merete; Safarian, Jafar; Bao, Sarina; Ringdalen, Eli; Valderhaug, Aasgeir. (2019) Reaction Rates of 2SiO2+SiC=3SiO+CO in Pellets at Elevated Temperatures. Aspects in Mining & Mineral Science (AMMS). volum 3 (2).
    Academic article

2018

  • Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2018) Characteristics of Calcium-Aluminate Slags and Pig Iron Produced from Smelting-Reduction of Low-Grade Bauxites. Metallurgical and Materials Transactions B. volum 49 (5).
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2018) Chemical, microstructural, and phase changes of manganese ores in calcination and pre-reduction by natural gas. THE FIFTEENTH INTERNATIONALFERRO-ALLOYS CONGRESS.
    Academic chapter/article/Conference paper
  • Datas, Alejandro; Cristobal, Ana Belen; del Cañizo, Carlos; Antolin, Elisa; Beaughon, Michel; Nikolopoulos, Nikolaos; Nikolopoulos, Aristeidis; Zeneli, Myrto; Sobczak, Natalia; Polkowski, Wojciech; Tangstad, Merete; Safarian, Jafar; Trucchi, Daniele M; Bellucci, Alessandro; Girolami, Marco; Marx, Roman; Bestenlehner, Dominik; Lang, Stephan; Vitulano, Aniello; Sabbatella, Gianfranco; Marti, Antonio. (2018) AMADEUS: Next generation materials and solid state devices for ultra high temperature energy storage and conversion. AIP Conference Proceedings. volum 2033.
    Academic article
  • Murgau, Adrian; Safarian, Jafar. (2018) Solar silicon production through metallurgical route and REC Solar advancements. Silicon for the Chemical and Solar Industry XIV.
    Academic chapter/article/Conference paper
  • Polkowski, Wojciech; Sobczak, Natalia; Tangstad, Merete; Safarian, Jafar; Jiao, Jian Meng; Grorud, Bettina. (2018) Silicon and silicon-boron alloys as phase change materials in thermal energy storage units. Silicon for the Chemical and Solar Industry XIV.
    Academic chapter/article/Conference paper
  • Safarian, Jafar. (2018) Extraction of iron and ferrosilicon alloys from low grades bauxite ores. Springer. 2018. ISBN 978-3-319-95021-1.
    Academic anthology/Conference proceedings
  • Safarian, Jafar. (2018) Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags. Silicon. volum 11 (1).
    Academic article

2017

  • Espelien, Stine; Safarian, Jafar. (2017) Effect of acid leaching conditions on impurity removal from silicon doped by magnesium. AIMS Energy. volum 5 (4).
    Academic article
  • Espelien, Stine; Tranell, Gabriella; Safarian, Jafar. (2017) Effect of Magnesium Addition on Removal of Impurities from Silicon by Hydrometallurgical Treatment. Energy Technology 2017.
    Academic chapter/article/Conference paper
  • Hoseinpur, Arman; Safarian, Jafar. (2017) Vacuum evaporation of aluminum from molten silicon. 2017.
    Report
  • Mengyi, Zhu; Safarian, Jafar. (2017) Silicon purification by leaching. 2017.
    Report
  • Polkowski, Wojciech; Sobczak, Natalia; Nowak, Rafal; Kudyba, Artur; Bruzda, Grzegorz; Polkowska, Adelajda; Homa, Marta; Turalska, Patrycja; Tangstad, Merete; Safarian, Jafar; Moosavi-Khoonsari, Elmira; Datas, Alejandro. (2017) Wetting Behavior and Reactivity of Molten Silicon with h-BN Substrate at Ultrahigh Temperatures up to 1750 °C. Journal of materials engineering and performance (Print). volum 27 (201).
    Academic article
  • Safarian, Jafar; Espelien, Stine. (2017) Hydrometallurgical Purification of Magnesium-Doped Silicon by Different Acids. 33 European Photovoltaic Solar Energy Conference and Exhibition.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Sanna, Claudio; Tranell, Gabriella. (2017) Boron Removal from Silicon by Moisturized Gases. 33 European Photovoltaic Solar Energy Conference and Exhibition.
    Academic chapter/article/Conference paper
  • Sellæg, Hanne; Kolbeinsen, Leiv; Safarian, Jafar. (2017) Iron Separation from Bauxite Through Smelting-Reduction Process. Light metals 2017.
    Academic chapter/article/Conference paper

2016

  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Smelting-reduction of bauxite for sustainable alumina production. 2016 SUSTAINABLE INDUSTRIAL PROCESSING SUMMIT AND EXHIBITION Volume 10: Battery, Recycling, Environmental, Mining.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Sustainability in alumina production from bauxite. 2016 SUSTAINABLE INDUSTRIAL PROCESSING SUMMIT AND EXHIBITION Volume 10: Battery, Recycling, Environmental, Mining.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Tang, Kai; Olsen, Jan Erik; Andersson, Stefan; Tranell, Gabriella; Hildal, Kjetil. (2016) Mechanisms and Kinetics of Boron Removal from Silicon by Humidified Hydrogen. Metallurgical and Materials Transactions B. volum 47 (2).
    Academic article
  • Safarian, Jafar; Tranell, Gabriella. (2016) SILICON PURIFICATION THROUGH MAGNESIUM ADDITION AND ACID LEACHING. 32 European PV conference and Exhibition.
    Academic chapter/article/Conference paper

2015

  • Safarian, Jafar; Kolbeinsen, Leiv. (2015) Microscopic Study of Carbon Surfaces Interacting with High Carbon Ferromanganese Slag. Metallurgical and Materials Transactions B. volum 46B.
    Academic article

2014

  • Safarian-Dastjerdi, Jafar; Tang, Kai; Hildal, Kjetil; Tranell, Gabriella. (2014) Boron Removal from Silicon by Humidified Gases. Metallurgical and Materials Transactions E. volum 1 (1).
    Academic article
  • Tang, Kai; Løvvik, Ole Martin; Safarian-Dastjerdi, Jafar; Ma, Xiang; Tangstad, Merete. (2014) Removal of Phosphorus in Metallurgical Silicon by Rare Earth Elements. Metallurgical and Materials Transactions E. volum 1 (3).
    Academic article

2013

  • Safarian, Jafar; Engh, Thorvald Abel. (2013) Vacuum evaporation of pure metals. Metallurgical and Materials Transactions A. volum 44A (2).
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete. (2013) Thermodynamic and Kinetic Behavior of B and Na Through the Contact of B-Doped Silicon with Na2O-SiO2 Slags. Metallurgical and Materials Transactions B. volum 44 (3).
    Academic article

2012

  • Kadkhodabeigi, Mehdi; Safarian-Dastjerdi, Jafar; Tveit, Halvard; Tangstad, Merete; Johansen, Stein Tore. (2012) Removal of SiC particles from solar grade silicon melts by imposition of high frequency magnetic field. Transactions of Nonferrous Metals Society of China. volum 22 (11).
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2012) Thermodynamic activities in silicon binary melts. Journal of Materials Science. volum 47 (14).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Kinetics and Mechanism of Phosphorus Removal from Silicon in Vacuum Induction Refining. High Temperature Materials and Processes. volum 31 (1).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Vacuum refining of molten silicon. Metallurgical and Materials Transactions B. volum 43 (6).
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete. (2012) Processes for upgrading metallurgical grade silicon to solar grade silicon. Energy Procedia. volum 20.
    Academic article

2011

  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2011) Liquidus of Silicon Binary Systems. Metallurgical and Materials Transactions B. volum 42 (4).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2011) Phase diagram study of the Si-P system in Si-rich region. Journal of Materials Research. volum 26 (12).
    Academic article
  • Zheng, Song-sheng; Safarian, Jafar; Seok, Seongho; Kim, Sungwook; Tangstad, Merete; Luo, Xue-tao. (2011) Elimination of phosphorus vaporizing from molten silicon at finite reduced pressure. Transactions of Nonferrous Metals Society of China. volum 21 (3).
    Academic article

2010

  • Safarian, Jafar; Tangstad, Merete. (2010) Vacuum behaviour of the dissolved elements in molten silicon. Silicon for the Chemical and Solar Industry X.
    Academic chapter/article/Conference paper

2009

  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete; Tranell, Gabriella. (2009) Kinetics and mechanism of the simultaneous carbothermic reduction of FeO and MnO from high-carbon ferromanganese slag. Metallurgical and Materials Transactions B. volum 40 (6).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2009) Wettability of silicon carbide by CaO-SiO2 slags. Metallurgical and Materials Transactions B. volum 40 (6).
    Academic article

2008

  • Safarian-Dastjerdi, Jafar; Kolbeinsen, Leiv. (2008) Kinetic of carbothermic reduction of MnO from high-carbon ferromanganese slag by graphite materials. ISIJ International. volum 48 (4).
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete; Kolbeinsen, Leiv; Gaal, Sean; Kaczorowski, Jakub. (2008) Reduction kinetics of MnO from high-carbon ferromanganese slags by carbonaceous materials in Ar and CO atmospheres. Metallurgical and Materials Transactions B. volum 39.
    Academic article

2007

  • Safarian Dastjerdi, Jaafar; Kolbeinsen, Leiv; Gaal, Sean; Tranell, Gabriella. (2007) The effect of graphite properties on the rate of MnO reduction from high carbon ferromanganese slag. INFACON XI: Innovations in the Ferro Ally Industry, Volum 1.
    Academic chapter/article/Conference paper
  • Safarian, Jafar. (2007) Kinetics and mechanisms of reduction of MnO-containing silicate slags by selected forms of carbonaceous materials. 2007. ISBN 978-82-471-5210-2. Doktoravhandlinger ved NTNU (235).
    Doctoral dissertation
  • Tranell, Gabriella; Gaal, Sean; Lu, D.; Tangstad, Merete; Safarian Dastjerdi, Jaafar. (2007) Reduction kinetics of manganese oxide from HC FeMn slags. INFACON XI: Innovations in the Ferro Ally Industry, Volum 1.
    Academic chapter/article/Conference paper

2006

  • Safarian-Dastjerdi, Jafar; Grong, Øystein; Kolbeinsen, Leiv; Olsen, Sverre E.. (2006) A Process Model for the Carbothermic Reduction of MnO from High Carbon Ferromanganese - The Model. ISIJ International. volum 46 (8).
    Academic article

Journal publications

  • Hoseinpur Kermani, Arman; Tang, Kai; Ulyashin, Alexander; Palitzch, Wolfram; Safarian, Jafar. (2023) Toward the recovery of solar silicon from end-of-life PVs by vacuum refining. Solar Energy Materials and Solar Cells. volum 521.
    Academic article
  • Kar, Manish Kumar; Safarian, Jafar. (2023) Characteristics of Bauxite Residue–Limestone Pellets as Feedstock for Fe and Al<inf>2</inf>O<inf>3</inf> Recovery. Processes. volum 11 (1).
    Academic article
  • Brustad, Ole Kristian; Låstad, Jonas; Hoseinpur Kermani, Arman; Safarian, Jafar. (2022) Characterization, Calcination and Pre-Reduction of Polymetallic Manganese Nodules by Hydrogen and Methane. Metals. volum 12 (12).
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2022) Carburization of Manganese Oxide Sources by Natural Gas. Metallurgical and Materials Transactions B. volum 53B (2).
    Academic article
  • Goso, Xolisa; Petersen, Jochen; Tangstad, Merete; Safarian, Jafar. (2022) Beneficiation of fluxed titaniferous slag to a marketable titania product using the modified upgraded slag process. Mineral Processing and Extractive Metallurgy: Transactions of the Institute of Mining and Metallurgy. volum 131 (3).
    Academic article
  • Hoseinpur Kermani, Arman; Andersson, Stefan; Müller, Michael; Tang, Kai; Safarian, Jafar. (2022) Boron Removal from Silicon Melt by gas Blowing Technique. High Temperature Materials and Processes. volum 41 (1).
    Academic article
  • Hoseinpur Kermani, Arman; Sergeev, Dmitry; Müller, Michael; Safarian, Jafar. (2022) On the phosphorus evaporation from liquid silicon by Knudsen effusion mass spectrometry. Metallurgical and Materials Transactions B. volum 53B.
    Academic article
  • Jiao, Jian Meng; Safarian, Jafar; Tangstad, Merete. (2022) The Use of Fe-26Si-9B Alloy as Phase Change Material in Si<inf>3</inf>N<inf>4</inf> Container. Crystals. volum 12 (3).
    Academic article
  • Kar, Manish Kumar; Safarian, Jafar; Eijk, Casper van der. (2022) Hydrogen Reduction of High Temperature Sintered and Self- Hardened Pellets of Bauxite Residue produced via the Addition of Limestone and Quicklime. The International Committee for Study of Bauxite, Alumina & Aluminium Conference Proceedings.
    Academic article
  • Kudyba, Artur; Safarian, Jafar. (2022) Manganese and Aluminium Recovery from Ferromanganese Slag and Al White Dross by a High Temperature Smelting-Reduction Process. Materials. volum 15 (2).
    Academic article
  • Mwase, James Malumbo; Vafeias, Michail; Marinos, Danai; Dimitrios, Panias; Safarian, Jafar. (2022) Investigating Aluminum Tri-Hydroxide Production from Sodium Aluminate Solutions in the Pedersen Process. Processes. volum 10 (7).
    Academic article
  • Mwase, James; Safarian, Jafar. (2022) Desilication of Sodium Aluminate Solutions from the Alkaline Leaching of Calcium-Aluminate Slags. Processes. volum 10 (9).
    Academic article
  • Mwase, James; Safarian, Jafar; Vafeias, Michalis; Marinos, Danai; Panias, Dimitrios. (2022) Investigating Aluminum Tri-Hydroxide Production from Sodium Aluminate Solutions in the Pedersen Process. Processes. volum 10 (1370).
    Academic article
  • Rasouli, Azam; Herstad, Karl Edvin; Safarian, Jafar; Tranell, Gabriella. (2022) Magnesiothermic Reduction of Natural Quartz. Metallurgical and Materials Transactions B. volum 53B.
    Academic article
  • Rasouli, Azam; Tsoutsouva, Maria; Safarian, Jafar; Tranell, Gabriella. (2022) Kinetics of Magnesiothermic Reduction of Natural Quartz. Materials. volum 15 (19).
    Academic article
  • Safarian, Jafar. (2022) A sustainable process to produce manganese and its alloys through hydrogen and aluminothermic reduction. Processes. volum 10 (1).
    Academic article
  • Skibelid, Olivia Bogen; Velle, Sander Ose; Vollan, Frida; Eijk, Casper van der; Hoseinpur Kermani, Arman; Safarian, Jafar. (2022) Isothermal Hydrogen Reduction of a Lime-Added Bauxite Residue Agglomerate at Elevated Temperatures for Iron and Alumina Recovery. Materials. volum 15 (17).
    Academic article
  • Tang, Kai; Eijk, Casper van der; Gouttebroze, Sylvain; Du, Qiang; Safarian, Jafar; Tranell, Gabriella. (2022) Rheological properties of Al2O3–CaO–SiO2 slags. Calphad. volum 77.
    Academic article
  • Zhu, Mengyi; Arntsen, Anne Sofie; Safarian, Jafar. (2022) Silicon Recovery Via the Acid Leaching of a Si-Ca-Al Alloy Produced by the SisAl Process. Proceedings of the Silicon for the Chemical & Solar Industry XVI.
    Academic article
  • Goso, Xolisa; Petersen, Jochen; Tangstad, Merete; Safarian, Jafar. (2021) Beneficiation of fluxed titaniferous slag to a marketable titania product using the modified upgraded slag process. Mineral Processing and Extractive Metallurgy: Transactions of the Institute of Mining and Metallurgy.
    Academic article
  • Hoseinpur Kermani, Arman; Andersson, Stefan; Tang, Kai; Safarian, Jafar. (2021) Selective Vacuum Evaporation by the Control of the Chemistry of Gas Phase in Vacuum Refining of Si. Langmuir. volum 37 (24).
    Academic article
  • Jiao, Jianmeng; Tang, Kai; Safarian, Jafar; Grorud, Bettina; Sellevoll, Kathrine; Tangstad, Merete. (2021) High temperature interaction between Si–B alloys and Si3N4. Ceramics International. volum 47 (10).
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Aluminothermic reduction of manganese oxide from selected mno-containing slags. Materials. volum 14 (2).
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Aluminum Recovery from White Aluminum Dross by a Mechanically Activated Phase Separation and Remelting Process. JOM. volum 73 (9).
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Valorization of aluminum dross with copper via high temperature melting to produce al-cu alloys. Materials. volum 14 (15).
    Academic article
  • Lazou, Adamantia; Eijk, Casper van der; Tang, Kai; Balomenos, Efthymios; Kolbeinsen, Leiv; Safarian, Jafar. (2021) The Utilization of Bauxite Residue with a Calcite-Rich Bauxite Ore in the Pedersen Process for Iron and Alumina Extraction. Metallurgical and Materials Transactions B. volum 52B.
    Academic article
  • Lazou, Adamantia; Kolbeinsen, Leiv; Safarian, Jafar. (2021) Evaluation of Calcium Aluminate Slags and Pig Irons Produced from the Smelting-Reduction of Diasporic Bauxite. Materials. volum 14 (24).
    Academic article
  • Safarian, Jafar. (2021) Duplex Process to Produce Ferromanganese and Direct Reduced Iron by Natural Gas. ACS Sustainable Chemistry and Engineering. volum 9 (14).
    Academic article
  • Salehi, Hossein; Seim, Stian; Kolbeinsen, Leiv; Safarian, Jafar. (2021) Phase Transitions and Microstructural Changes During Oxidation and Reduction of a Weathered Ilmenite Concentrate. Mining, Metallurgy & Exploration (MME). volum 38.
    Academic article
  • Zhu, Mengyi; Wu, Guixuan; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Müller, Michael; Safarian, Jafar. (2021) Effects of La2O3 Addition into CaO-SiO2 Slag: Structural Evolution and Impurity Separation from Si-Sn Alloy. Metallurgical and Materials Transactions B. volum 52B (5).
    Academic article
  • Zhu, Mengyi; Yue, Shengying; Wu, Guixuan; Tang, Kai; Xu, Yijiang; Safarian, Jafar. (2021) P removal from Si by Si-Ca-Al alloying-leaching refining: Effect of Al and the CaAl2Si2 phase. Separation and Purification Technology. volum 271.
    Academic article
  • Azof, Fabian Imanasa; Safarian, Jafar. (2020) Leaching kinetics and mechanism of slag produced from smelting-reduction of bauxite for alumina recovery. Hydrometallurgy. volum 195 (105388).
    Academic article
  • Azof, Fabian Imanasa; Tang, Kai; You, Jinglin; Safarian, Jafar. (2020) Synthesis and Characterization of 12CaO·7Al2O3 Slags: The Effects of Impurities and Atmospheres on the Phase Relations. Metallurgical and Materials Transactions B. volum 51.
    Academic article
  • Cheraghi, Alireza; Becker, Hanka; Eftekhari, Hosna; Yoozbashizadeh, Hossein; Safarian, Jafar. (2020) Characterization and calcination behavior of a low-grade manganese ore. Materials Today Communications. volum 25.
    Academic article
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2020) Vacuum refining of silicon at ultra-high tempratures. Vacuum. volum 184.
    Academic article
  • Hu, Kai; Tang, Kai; Lv, Xuewei; Safarian, Jafar; Yan, Zhiming; Song, Bing. (2020) Modeling Viscosity of High Titania Slag. Metallurgical and Materials Transactions B. volum 52B.
    Academic article
  • Jiao, Jian Meng; Grorud, Bettina; Safarian, Jafar; Tangstad, Merete. (2020) The Use of Si-B Alloys in Thermal Energy Storage System. Journal of Physics: Conference Series (JPCS). volum 1527 (1).
    Academic article
  • Lazou, Adamantia; Eijk, Casper van der; Balomenos, Efthymios; Kolbeinsen, Leiv; Safarian, Jafar. (2020) On the Direct Reduction Phenomena of Bauxite Ore Using H2 Gas in a Fixed Bed Reactor. Journal of Sustainable Metallurgy. volum 6 (2).
    Academic article
  • Zhu, Mengyi; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Safarian, Jafar. (2020) Phosphorus separation from metallurgical-grade silicon by magnesium alloying and acid leaching. Separation and Purification Technology. volum 240.
    Academic article
  • Zhu, Mengyi; Shengying, Yue; Tang, Kai; Safarian, Jafar. (2020) New Insights into Silicon Purification by Alloying-Leaching Refining: A Comparative Study of Mg-Si, Ca-Si, and Ca-Mg-Si Systems. ACS Sustainable Chemistry and Engineering. volum 8 (42).
    Academic article
  • Zhu, Mengyi; Wan, Di; Tang, Kai; Safarian, Jafar. (2020) Impurity removal from Si by Si-Ca-Mg ternary alloying-leaching system. Materials & design. volum 198.
    Academic article
  • Azof, Fabian Imanasa; Vafeias, Michail; Panias, Dimitrios; Safarian, Jafar. (2019) The leachability of a ternary CaO-Al2O3-SiO2 slag produced from smelting-reduction of low-grade bauxite for alumina recovery. Hydrometallurgy. volum 191.
    Academic article
  • Azof, Fabian Imanasa; Yang, Yongxiang; Panias, Dimitrios; Kolbeinsen, Leiv; Safarian, Jafar. (2019) Leaching characteristics and mechanism of the synthetic calcium-aluminate slags for alumina recovery. Hydrometallurgy. volum 185.
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Ringdalen, Eli; Safarian, Jafar. (2019) Kinetics and Mechanism of Low-Grade Manganese Ore Reduction by Natural Gas. Metallurgical and Materials Transactions B. volum 50 (4).
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2019) Gaseous reduction of manganese ores: A review and theoretical insight. Mineral Processing and Extractive Metallurgy Review. volum 41 (3).
    Academic literature review
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2019) Mechanisms of graphite crucible degradation in contact with Si–Al melts at high temperatures and vacuum conditions. Vacuum. volum 171.
    Academic article
  • Hoseinpur Kermani, Arman; Tang, Kai; Safarian, Jafar. (2019) Kinetic study of vacuum evaporation of elements from ternary melts; case of dilute solution of P in Si-Al melts. Separation and Purification Technology. volum 235.
    Academic article
  • Jiao, Jianmeng; Grorud, Bettina; Sindland, Caroline; Safarian, Jafar; Tang, Kai; Sellevoll, Kathrine; Tangstad, Merete. (2019) The Use of Eutectic Fe-Si-B Alloy as a Phase Change Material in Thermal Energy Storage Systems. Materials. volum 12 (14).
    Academic article
  • Jiao, Jianmeng; Safarian, Jafar; Grorud, Bettina; Tangstad, Merete. (2019) High Temperature Interaction of Si-B Alloys with Graphite Crucible in Thermal Energy Storage Systems. Materials. volum 13 (29).
    Academic article
  • Tangstad, Merete; Safarian, Jafar; Bao, Sarina; Ringdalen, Eli; Valderhaug, Aasgeir. (2019) Reaction Rates of 2SiO2+SiC=3SiO+CO in Pellets at Elevated Temperatures. Aspects in Mining & Mineral Science (AMMS). volum 3 (2).
    Academic article
  • Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2018) Characteristics of Calcium-Aluminate Slags and Pig Iron Produced from Smelting-Reduction of Low-Grade Bauxites. Metallurgical and Materials Transactions B. volum 49 (5).
    Academic article
  • Datas, Alejandro; Cristobal, Ana Belen; del Cañizo, Carlos; Antolin, Elisa; Beaughon, Michel; Nikolopoulos, Nikolaos; Nikolopoulos, Aristeidis; Zeneli, Myrto; Sobczak, Natalia; Polkowski, Wojciech; Tangstad, Merete; Safarian, Jafar; Trucchi, Daniele M; Bellucci, Alessandro; Girolami, Marco; Marx, Roman; Bestenlehner, Dominik; Lang, Stephan; Vitulano, Aniello; Sabbatella, Gianfranco; Marti, Antonio. (2018) AMADEUS: Next generation materials and solid state devices for ultra high temperature energy storage and conversion. AIP Conference Proceedings. volum 2033.
    Academic article
  • Safarian, Jafar. (2018) Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags. Silicon. volum 11 (1).
    Academic article
  • Espelien, Stine; Safarian, Jafar. (2017) Effect of acid leaching conditions on impurity removal from silicon doped by magnesium. AIMS Energy. volum 5 (4).
    Academic article
  • Polkowski, Wojciech; Sobczak, Natalia; Nowak, Rafal; Kudyba, Artur; Bruzda, Grzegorz; Polkowska, Adelajda; Homa, Marta; Turalska, Patrycja; Tangstad, Merete; Safarian, Jafar; Moosavi-Khoonsari, Elmira; Datas, Alejandro. (2017) Wetting Behavior and Reactivity of Molten Silicon with h-BN Substrate at Ultrahigh Temperatures up to 1750 °C. Journal of materials engineering and performance (Print). volum 27 (201).
    Academic article
  • Safarian, Jafar; Tang, Kai; Olsen, Jan Erik; Andersson, Stefan; Tranell, Gabriella; Hildal, Kjetil. (2016) Mechanisms and Kinetics of Boron Removal from Silicon by Humidified Hydrogen. Metallurgical and Materials Transactions B. volum 47 (2).
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv. (2015) Microscopic Study of Carbon Surfaces Interacting with High Carbon Ferromanganese Slag. Metallurgical and Materials Transactions B. volum 46B.
    Academic article
  • Safarian-Dastjerdi, Jafar; Tang, Kai; Hildal, Kjetil; Tranell, Gabriella. (2014) Boron Removal from Silicon by Humidified Gases. Metallurgical and Materials Transactions E. volum 1 (1).
    Academic article
  • Tang, Kai; Løvvik, Ole Martin; Safarian-Dastjerdi, Jafar; Ma, Xiang; Tangstad, Merete. (2014) Removal of Phosphorus in Metallurgical Silicon by Rare Earth Elements. Metallurgical and Materials Transactions E. volum 1 (3).
    Academic article
  • Safarian, Jafar; Engh, Thorvald Abel. (2013) Vacuum evaporation of pure metals. Metallurgical and Materials Transactions A. volum 44A (2).
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete. (2013) Thermodynamic and Kinetic Behavior of B and Na Through the Contact of B-Doped Silicon with Na2O-SiO2 Slags. Metallurgical and Materials Transactions B. volum 44 (3).
    Academic article
  • Kadkhodabeigi, Mehdi; Safarian-Dastjerdi, Jafar; Tveit, Halvard; Tangstad, Merete; Johansen, Stein Tore. (2012) Removal of SiC particles from solar grade silicon melts by imposition of high frequency magnetic field. Transactions of Nonferrous Metals Society of China. volum 22 (11).
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2012) Thermodynamic activities in silicon binary melts. Journal of Materials Science. volum 47 (14).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Kinetics and Mechanism of Phosphorus Removal from Silicon in Vacuum Induction Refining. High Temperature Materials and Processes. volum 31 (1).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Vacuum refining of molten silicon. Metallurgical and Materials Transactions B. volum 43 (6).
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete. (2012) Processes for upgrading metallurgical grade silicon to solar grade silicon. Energy Procedia. volum 20.
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2011) Liquidus of Silicon Binary Systems. Metallurgical and Materials Transactions B. volum 42 (4).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2011) Phase diagram study of the Si-P system in Si-rich region. Journal of Materials Research. volum 26 (12).
    Academic article
  • Zheng, Song-sheng; Safarian, Jafar; Seok, Seongho; Kim, Sungwook; Tangstad, Merete; Luo, Xue-tao. (2011) Elimination of phosphorus vaporizing from molten silicon at finite reduced pressure. Transactions of Nonferrous Metals Society of China. volum 21 (3).
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete; Tranell, Gabriella. (2009) Kinetics and mechanism of the simultaneous carbothermic reduction of FeO and MnO from high-carbon ferromanganese slag. Metallurgical and Materials Transactions B. volum 40 (6).
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2009) Wettability of silicon carbide by CaO-SiO2 slags. Metallurgical and Materials Transactions B. volum 40 (6).
    Academic article
  • Safarian-Dastjerdi, Jafar; Kolbeinsen, Leiv. (2008) Kinetic of carbothermic reduction of MnO from high-carbon ferromanganese slag by graphite materials. ISIJ International. volum 48 (4).
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete; Kolbeinsen, Leiv; Gaal, Sean; Kaczorowski, Jakub. (2008) Reduction kinetics of MnO from high-carbon ferromanganese slags by carbonaceous materials in Ar and CO atmospheres. Metallurgical and Materials Transactions B. volum 39.
    Academic article
  • Safarian-Dastjerdi, Jafar; Grong, Øystein; Kolbeinsen, Leiv; Olsen, Sverre E.. (2006) A Process Model for the Carbothermic Reduction of MnO from High Carbon Ferromanganese - The Model. ISIJ International. volum 46 (8).
    Academic article

Books

  • Jiao, Jianmeng; Grorud, Bettina; Safarian, Jafar; Tangstad, Merete. (2019) WETTABILITY OF MOLTEN Fe-Si-B ALLOY ON GRAPHITE, Al2O3, AND h-BN SUBSTRATES. 2019. ISBN 0-87339-771-1.
    Academic anthology/Conference proceedings
  • Safarian, Jafar. (2018) Extraction of iron and ferrosilicon alloys from low grades bauxite ores. Springer. 2018. ISBN 978-3-319-95021-1.
    Academic anthology/Conference proceedings

Part of book/report

  • Tranell, Gabriella; Safarian, Jafar; Wallin, Maria. (2020) SisAl – A New Process for Production of Silicon. Silicon for the Chemical and Solar Industry XV.
    Academic chapter/article/Conference paper
  • Zhu, Mengyi; Tang, Kai; Safarian, Jafar. (2020) The effect of Ti and Y addition on the microstructure and leaching purification of Ca-alloyed metallurgical silicon. Silicon for the Chemical and Solar Industry XV.
    Academic chapter/article/Conference paper
  • Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2019) Kinetics of the leaching of alumina-containing slag for alumina recovery. European Metallurgical Conference 2019, Vol. 2.
    Academic chapter/article/Conference paper
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2018) Chemical, microstructural, and phase changes of manganese ores in calcination and pre-reduction by natural gas. THE FIFTEENTH INTERNATIONALFERRO-ALLOYS CONGRESS.
    Academic chapter/article/Conference paper
  • Murgau, Adrian; Safarian, Jafar. (2018) Solar silicon production through metallurgical route and REC Solar advancements. Silicon for the Chemical and Solar Industry XIV.
    Academic chapter/article/Conference paper
  • Polkowski, Wojciech; Sobczak, Natalia; Tangstad, Merete; Safarian, Jafar; Jiao, Jian Meng; Grorud, Bettina. (2018) Silicon and silicon-boron alloys as phase change materials in thermal energy storage units. Silicon for the Chemical and Solar Industry XIV.
    Academic chapter/article/Conference paper
  • Espelien, Stine; Tranell, Gabriella; Safarian, Jafar. (2017) Effect of Magnesium Addition on Removal of Impurities from Silicon by Hydrometallurgical Treatment. Energy Technology 2017.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Espelien, Stine. (2017) Hydrometallurgical Purification of Magnesium-Doped Silicon by Different Acids. 33 European Photovoltaic Solar Energy Conference and Exhibition.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Sanna, Claudio; Tranell, Gabriella. (2017) Boron Removal from Silicon by Moisturized Gases. 33 European Photovoltaic Solar Energy Conference and Exhibition.
    Academic chapter/article/Conference paper
  • Sellæg, Hanne; Kolbeinsen, Leiv; Safarian, Jafar. (2017) Iron Separation from Bauxite Through Smelting-Reduction Process. Light metals 2017.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Smelting-reduction of bauxite for sustainable alumina production. 2016 SUSTAINABLE INDUSTRIAL PROCESSING SUMMIT AND EXHIBITION Volume 10: Battery, Recycling, Environmental, Mining.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Sustainability in alumina production from bauxite. 2016 SUSTAINABLE INDUSTRIAL PROCESSING SUMMIT AND EXHIBITION Volume 10: Battery, Recycling, Environmental, Mining.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Tranell, Gabriella. (2016) SILICON PURIFICATION THROUGH MAGNESIUM ADDITION AND ACID LEACHING. 32 European PV conference and Exhibition.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Tangstad, Merete. (2010) Vacuum behaviour of the dissolved elements in molten silicon. Silicon for the Chemical and Solar Industry X.
    Academic chapter/article/Conference paper
  • Safarian Dastjerdi, Jaafar; Kolbeinsen, Leiv; Gaal, Sean; Tranell, Gabriella. (2007) The effect of graphite properties on the rate of MnO reduction from high carbon ferromanganese slag. INFACON XI: Innovations in the Ferro Ally Industry, Volum 1.
    Academic chapter/article/Conference paper
  • Tranell, Gabriella; Gaal, Sean; Lu, D.; Tangstad, Merete; Safarian Dastjerdi, Jaafar. (2007) Reduction kinetics of manganese oxide from HC FeMn slags. INFACON XI: Innovations in the Ferro Ally Industry, Volum 1.
    Academic chapter/article/Conference paper

Report

  • Lazou, Adamantia; Safarian, Jafar. (2021) Acid leaching of Mn-sludge. Norges teknisk-naturvitenskapelige universitet. 2021.
    Report
  • Hoseinpur, Arman; Safarian, Jafar. (2017) Vacuum evaporation of aluminum from molten silicon. 2017.
    Report
  • Mengyi, Zhu; Safarian, Jafar. (2017) Silicon purification by leaching. 2017.
    Report
  • Safarian, Jafar. (2007) Kinetics and mechanisms of reduction of MnO-containing silicate slags by selected forms of carbonaceous materials. 2007. ISBN 978-82-471-5210-2. Doktoravhandlinger ved NTNU (235).
    Doctoral dissertation

Teaching

Courses

  • TMT4500 - Materials Technology, Specialization Project
  • TMT4326 - Refining and Recycling of Metals
  • MT8200 - Advanced Chemical Metallurgy
  • TKJ4162 - Physical Chemistry: Chemical Thermodynamics
  • TKP4158 - Hydrometallurgical Process Technology

Media

2022

  • Academic lecture
    Hoseinpur Kermani, Arman; Friborg, Per Ivar; Eijk, Casper van der; Safarian, Jafar. (2022) High temperature hydrogen reduction of bauxite residue for Iron recovery. METSOC 2022 ; 2022-08-21 - 2022-08-24.
  • Lecture
    Zhu, Mengyi; Arntsen, Anne Sofie; Safarian, Jafar. (2022) Silicon Recovery Via the Acid Leaching of a Si-Ca-Al Alloy Produced by the SisAl Process. Silicon for the Chemical & Solar Industry XVI . NTNU; Online. 2022-06-14 - 2022-06-16.
  • Academic lecture
    Zhu, Mengyi; Safarian, Jafar. (2022) Acid leaching for high purity Si production from the innovative SisAl process. HydroMetEC International Seminar ; 2022-11-23 - 2022-11-24.
  • Lecture
    Zhu, Mengyi; Safarian, Jafar. (2022) Purification of silicon produced through the SisAl process by acid leaching. Refining and Recycling of Solar Silicon Seminar . NTNU; Trondheim. 2022-11-04 - 2022-11-04.
  • Academic lecture
    Zhu, Mengyi; Safarian, Jafar. (2022) Silicon purification via acid leaching. Hypros Gemini Center Hydrometallurgy Seminar . NTNU SINTEF; Trondheim. 2022-11-08 - 2022-11-08.

2021

  • Academic lecture
    Azarov, Alexander; Hoseinpur, Arman; Safarian, Jafar; Monakhov, Eduard. (2021) Impurity analysis in Al-Si alloys by SIMS: the role of the primary beam. Norwegian Solar Cell Conference 2021 ; 2021-11-01 - 2021-11-02.
  • Academic lecture
    Hoseinpur Kermani, Arman; Safarian, Jafar. (2021) Applications of metallurgical methods in production and recovery of Silicon. SOLAR ENERGY Webinar- Promoting a circular economy in the solar photovoltaic value chain . SINTEF; 2021-05-07 - 2021-05-07.
  • Academic lecture
    Hoseinpur Kermani, Arman; Safarian, Jafar. (2021) Boron removal from Si by gas blowing technique. Eurpean Solar cell sectror conference . European union; online. 2021-09-06 - 2021-09-10.
  • Academic lecture
    Mwase, James; Safarian, Jafar. (2021) Production of Aluminium Tri-hydroxides from Secondary Bauxite Materials. EMC 2021 European Metallurgical Conference, Virtual Conference . GDMB Gesellschaft der Metallurgen und Bergleute e. V.; Virtual. 2021-07-27 - 2021-07-30.
  • Academic lecture
    Zhu, Mengyi; Wu, Guixuan; Safarian, Jafar. (2021) Effect of La2O3 Addition to CaO-SiO2 Slag on B and P Removal from Sn-doped Si for Solar-Grade Silicon Production. The 11th International Conference on Molten Slags, Fluxes, and Salts ; Virtual. 2021-02-21 - 2021-02-25.

2020

  • Academic lecture
    Hoseinpur Kermani, Arman; Tranell, Gabriella; Safarian, Jafar. (2020) Phosphorus and Boron removal from Si by vacuum and gas refining processes. Silicon for chemical and solar industry XV . NTNU; Trondheim, Norway, June 15-18. 2020-06-15 - 2020-06-18.
  • Academic lecture
    Mwase, James; Safarian, Jafar. (2020) Investigating the leaching, desilication and precipitation of aluminium tri-hydroxides from a bauxite residue-bauxite by-product slag. International ICSOBA Conference, Virtual Conference . ICSOBA; Virtual. 2020-11-16 - 2020-11-18.
  • Academic lecture
    Salehi, Hossein; Seim, Stian; Kolbeinsen, Leiv; Safarian, Jafar. (2020) Phase transitions and microstructural changes during oxidation and reduction of a weathered ilmenite concentrate. Proceedings of the 59th Conference of Metallurgists, COM 2020 ; Toronto. 2020-10-14 - 2020-10-15.
  • Academic lecture
    Zhu, Mengyi; Tang, Kai; Safarian, Jafar. (2020) The effect of Ti and Y addition on the microstructure and leaching purification of Ca- alloyed metallurgical silicon. Silicon for the Chemical and Solar Industry XV ; 2020-06-14 - 2020-06-16.

2019

  • Academic lecture
    Lazou, Adamantia; Eijk, Casper van der; Safarian, Jafar. (2019) Smelting reduction of bauxite residue and beneficiation by-product in view of a leachable slag and pig Iron production. 10th European Metallurgical Conference, EMC 2019 ; Dusseldorf. 2019-06-23 - 2019-06-26.
  • Academic lecture
    Zhu, Mengyi; Safarian, Jafar. (2019) Elements behavior in solidification of Mg-doped silicon and their removal in acid leaching. Norwegian Solar Cell Conference 2019 ; 2019-05-20 - 2019-05-21.

2018

  • Academic lecture
    Azof, Fabian Imanasa; Safarian, Jafar. (2018) Leaching Characteristics of CaO-Al2O3-SiO2 Slag Produced from Smelting-Reduction of Low-Grade Bauxite. Friday Seminar . Department of Materials Science and Engineering, NTNU; Trondheim. 2018-10-05 - 2018-10-05.
  • Poster
    Hoseinpur Kermani, Arman; Safarian, Jafar. (2018) Phosphorus removal from Al doped Silicon by vacuum refining. EUPVSEC 2018 ; 2018-09-26 - 2018-09-30.
  • Academic lecture
    Hoseinpur Kermani, Arman; Safarian, Jafar; Tranell, Gabriella. (2018) Effect of ultra-high temperatures on phosphorus refining from Si in vacuum process. Norwegian Solar Cell Conference 2018 ; 2018-04-01 - 2018-04-03.
  • Academic lecture
    Polkowski, Wojciech; Sobczak, Natalia; Tangstad, Merete; Safarian, Jafar; Jiao, Jianmeng; Grorud, Bettina. (2018) Silicon and silicon-boron alloys as phase change materials in thermal storage units. Silicon for the Chemical and Solar Industry XIV ; Svolvær. 2018-06-11 - 2018-06-14.
  • Poster
    Safarian, Jafar. (2018) Phosphorus removal from Al-doped silicon by vacuum refining. EU OVSEC 2018 ; 2018-09-25 - 2018-09-28.
  • Poster
    Zhu, Mengyi; Murgau, Adrian; Safarian, Jafar. (2018) Effects of Magnesium-doping on silicon leaching for solar grade feedstock production. 35th European Photovoltaic Solar Energy Conference and Exhibition ; 2018-09-24 - 2018-09-28.
  • Academic lecture
    Zhu, Mengyi; Safarian, Jafar. (2018) Hydrochloric acid leaching of Mg-doped Si for solar grade feedstock production. Norwegian Solar Cell Conference 2018 ; Son. 2018-05-02 - 2018-05-04.

2017

  • Lecture
    Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2017) The Leachability of Calcium Aluminate Phases in Slags for the Extraction of Alumina. 35th International Conference and Exhibition of ICSOBA . ICSOBA; Hamburg. 2017-10-02 - 2017-10-05.
  • Academic lecture
    Safarian, Jafar. (2017) Metallurgical processes for solar grade silicon feedstock production. Norwegian Solar Cell Conference 2017 . IFE; Son. 2017-05-09 - 2017-05-10.
  • Academic lecture
    Safarian, Jafar. (2017) Production of solar grade silicon through metallurgical processes. BIT’s 3rd Annual World Congress of Smart Materials . BIT Group Global Ltd; Bangkok, Thailand. 2017-03-16 - 2018-03-18.
  • Academic lecture
    Safarian, Jafar. (2017) Sustainable Production of Alumina through Iron Separation by Smelting-Reduction of Bauxite. European Metallurgical Conference 2017 . GDMB; Leipzig, Germany. 2017-06-25 - 2017-06-28.

2016

  • Academic lecture
    Ringdalen, Eli; Tangstad, Merete; Safarian, Jafar; Valderhaug, Aasgeir Mikael. (2016) Interaction of molten silica with silicon carbide in silicon process. The 10th InternationalConference on Molten Slags, Fluxes and Salts (MOLTEN16) ; Seattle. 2016-05-23 - 2016-05-26.

2012

  • Academic lecture
    Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2012) Thermodynamic Properties of the Silicon Binary Melts. TMS 2012 Annual Meeting & Exhibition! . TMS - The Mineral, Metals & Materials Society; Swan and Dolphin Resort • Orlando, Florida. 2012-03-11 - 2012-03-15.

2011

  • Academic lecture
    Safarian, Jafar; Xakalashe, Bhole; Tangstad, Merete. (2011) Vacuum removal of the impurities from different silicon melts. 26th European Photovoltaic Solar Energy Conference and Exhibition ; Hamburg. 2011-09-05 - 2011-09-09.

2010

  • Academic lecture
    Safarian, Jafar; Tangstad, Merete. (2010) Slag-Carbon Reactivity. INFACON XII ; 2010-06-06 - 2010-06-09.
  • Academic lecture
    Safarian, Jafar; Tangstad, Merete. (2010) Vacuum behavior of the dissolved elements in molten silicon. Silicon for the Chemical and Solar Industry X . NTNU; Ålesund-Geiranger. 2010-06-28 - 2010-07-02.
  • Academic lecture
    Zhang, Song-sheng; Safarian, Jafar; Seok, Seongho; Kim, Sungwook; Tangstad, Merete; Luo, Xue-tao. (2010) Elimination of Phosphorus from Si-P system by induction refining at a finite reduced pressure. The 2010 International Symposium on metallurgical purification technologies of SOG-Si ; 2010-09-12 - 2010-09-15.

2009

  • Academic lecture
    Safarian, Jafar; Tangstad, Merete; Gaal, Sean. (2009) Thermal analysis of silicon-phosphorus alloys at elevated temperatures. 3rd International workshop on Crystalline Silicon Solar Celles . SINTEF/NTNU; Trondheim. 2009-06-03 - 2009-06-05.

2006

  • Academic lecture
    Safarian, Jafar; Kolbeinsen, Leiv; Grong, Øystein. (2006) Kinetic modeling of MnO reduction from slags by dissolved carbon in liquid iron. Sohn International Symposium on advanced processing of metals and materials ; San Diego, California. 2006-08-27 - 2006-08-31.
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