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  1. Employees

Språkvelger

Norsk

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

  • 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
    Academic article
  • Hassanzadeh, Ahmad; Kar, Manish Kumar; Safarian, Jafar; Kowalczuk, Przemyslaw Boguslaw. (2023) An Investigation on Reduction of Calcium Added Bauxite Residue Pellets by Hydrogen and Iron Recovery through Physical Separation Methods. Metals
    Academic article
  • Tang, Kai; Rasouli, Azam; Safarian, Jafar; Ma, Xiang; Tranell, Maria Gabriella. (2023) Magnesiothermic Reduction of Silica: A Machine Learning Study. Materials
    Academic article
  • Kar, Manish Kumar; Eijk, Casper van der; Safarian, Jafar. (2023) Kinetics Study on the Hydrogen Reduction of Bauxite Residue-Calcite Sintered Pellets at Elevated Temperature. Metals
    Academic article
  • 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
    Academic article
  • Safarian, Jafar; Eini, Ariel Skaug; Pedersen, Markus Antonius Elinsønn; Haghdani, Shokouh. (2023) The Effect of Process Conditions on Sulfuric Acid Leaching of Manganese Sludge. Materials
    Academic article

2022

  • Mwase, James; Safarian, Jafar. (2022) Desilication of Sodium Aluminate Solutions from the Alkaline Leaching of Calcium-Aluminate Slags. Processes
    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
  • 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
  • Safarian, Jafar. (2022) A sustainable process to produce manganese and its alloys through hydrogen and aluminothermic reduction. Processes
    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
    Academic article
  • Rasouli, Azam; Herstad, Karl Edvin; Safarian, Jafar; Tranell, Gabriella. (2022) Magnesiothermic Reduction of Natural Quartz. Metallurgical and Materials Transactions B
    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
    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
    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
    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
    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
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2022) Carburization of Manganese Oxide Sources by Natural Gas. Metallurgical and Materials Transactions B
    Academic article
  • Rasouli, Azam; Tsoutsouva, Maria; Safarian, Jafar; Tranell, Gabriella. (2022) Kinetics of Magnesiothermic Reduction of Natural Quartz. Materials
    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
    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
    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
    Academic article

2021

  • 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
    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
    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
    Academic article
  • Safarian, Jafar. (2021) Duplex Process to Produce Ferromanganese and Direct Reduced Iron by Natural Gas. ACS Sustainable Chemistry and Engineering
    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
    Academic article
  • Lazou, Adamantia; Safarian, Jafar. (2021) Acid leaching of Mn-sludge. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Report
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Aluminothermic reduction of manganese oxide from selected mno-containing slags. Materials
    Academic article
  • Zhu, Mengyi; Wu, Guixuan; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Müller, Michael. (2021) Effects of La2O3 Addition into CaO-SiO2 Slag: Structural Evolution and Impurity Separation from Si-Sn Alloy. Metallurgical and Materials Transactions B
    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
    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
    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)
    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
    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

2020

  • 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
    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
    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
    Academic article
  • Tranell, Gabriella; Safarian, Jafar; Wallin, Maria. (2020) SisAl – A New Process for Production of Silicon. Norges teknisk-naturvitenskapelige universitet
    Academic chapter/article/Conference paper
  • Cheraghi, Alireza; Becker, Hanka; Eftekhari, Hosna; Yoozbashizadeh, Hossein; Safarian, Jafar. (2020) Characterization and calcination behavior of a low-grade manganese ore. Materials Today Communications
    Academic article
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2020) Vacuum refining of silicon at ultra-high tempratures. Vacuum
    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
    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
    Academic article
  • Azof, Fabian Imanasa; Safarian, Jafar. (2020) Leaching kinetics and mechanism of slag produced from smelting-reduction of bauxite for alumina recovery. Hydrometallurgy
    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.
    Academic chapter/article/Conference paper
  • 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)
    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
    Academic article

2019

  • 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
    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
    Academic literature review
  • Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2019) Kinetics of the leaching of alumina-containing slag for alumina recovery.
    Academic chapter/article/Conference paper
  • Jiao, Jianmeng; Grorud, Bettina; Sindland, Caroline; Safarian, Jafar; Tang, Kai; Sellevoll, Kathrine. (2019) The Use of Eutectic Fe-Si-B Alloy as a Phase Change Material in Thermal Energy Storage Systems. Materials
    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)
    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. Liquid Metal Processing & Casting Conference 2019
    Academic anthology/Conference proceedings
  • 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
    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
    Academic article
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2019) Mechanisms of graphite crucible degradation in contact with Si–Al melts at high temperatures and vacuum conditions . Vacuum
    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
    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
    Academic article

2018

  • Safarian, Jafar. (2018) Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags. Silicon
    Academic article
  • Datas, Alejandro; Cristobal, Ana Belen; del Cañizo, Carlos; Antolin, Elisa; Beaughon, Michel; Nikolopoulos, Nikolaos. (2018) AMADEUS: Next generation materials and solid state devices for ultra high temperature energy storage and conversion. AIP Conference Proceedings
    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 Southern African Institute of Mining and Metallurgy
    Academic chapter/article/Conference paper
  • 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
    Academic article
  • Safarian, Jafar. (2018) Extraction of iron and ferrosilicon alloys from low grades bauxite ores. Springer Springer
    Academic anthology/Conference proceedings
  • Murgau, Adrian; Safarian, Jafar. (2018) Solar silicon production through metallurgical route and REC Solar advancements. Norges teknisk-naturvitenskapelige universitet
    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. Norges teknisk-naturvitenskapelige universitet
    Academic chapter/article/Conference paper

2017

  • Espelien, Stine; Safarian, Jafar. (2017) Effect of acid leaching conditions on impurity removal from silicon doped by magnesium. AIMS Energy
    Academic article
  • Safarian, Jafar; Sanna, Claudio; Tranell, Gabriella. (2017) Boron Removal from Silicon by Moisturized Gases. WIP
    Academic chapter/article/Conference paper
  • Sellæg, Hanne; Kolbeinsen, Leiv; Safarian, Jafar. (2017) Iron Separation from Bauxite Through Smelting-Reduction Process. Springer Publishing Company
    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. Springer
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Espelien, Stine. (2017) Hydrometallurgical Purification of Magnesium-Doped Silicon by Different Acids. WIP
    Academic chapter/article/Conference paper
  • Hoseinpur, Arman; Safarian, Jafar. (2017) Vacuum evaporation of aluminum from molten silicon. NTNU
    Report
  • Mengyi, Zhu; Safarian, Jafar. (2017) Silicon purification by leaching. NTNU
    Report
  • Polkowski, Wojciech; Sobczak, Natalia; Nowak, Rafal; Kudyba, Artur; Bruzda, Grzegorz; Polkowska, Adelajda. (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)
    Academic article

2016

  • 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
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Sustainability in alumina production from bauxite.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Tranell, Gabriella. (2016) SILICON PURIFICATION THROUGH MAGNESIUM ADDITION AND ACID LEACHING. WIP
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Smelting-reduction of bauxite for sustainable alumina production.
    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
    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
    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
    Academic article

2013

  • Safarian, Jafar; Engh, Thorvald Abel. (2013) Vacuum evaporation of pure metals. Metallurgical and Materials Transactions A
    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
    Academic article

2012

  • Safarian, Jafar; Tangstad, Merete. (2012) Kinetics and Mechanism of Phosphorus Removal from Silicon in Vacuum Induction Refining. High Temperature Materials and Processes
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Vacuum refining of molten silicon. Metallurgical and Materials Transactions B
    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
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2012) Thermodynamic activities in silicon binary melts. Journal of Materials Science
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete. (2012) Processes for upgrading metallurgical grade silicon to solar grade silicon. Energy Procedia
    Academic article

2011

  • 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
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2011) Phase diagram study of the Si-P system in Si-rich region. Journal of Materials Research
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2011) Liquidus of Silicon Binary Systems. Metallurgical and Materials Transactions B
    Academic article

2010

  • Safarian, Jafar; Tangstad, Merete. (2010) Vacuum behaviour of the dissolved elements in molten silicon. Tapir Akademisk Forlag
    Academic chapter/article/Conference paper

2009

  • Safarian, Jafar; Tangstad, Merete. (2009) Wettability of silicon carbide by CaO-SiO2 slags. Metallurgical and Materials Transactions B
    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
    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
    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
    Academic article

2007

  • Safarian, Jafar. (2007) Kinetics and mechanisms of reduction of MnO-containing silicate slags by selected forms of carbonaceous materials. Doktoravhandlinger ved NTNU (235)
    Doctoral dissertation
  • 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.
    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.
    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
    Academic article

Journal publications

  • 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
    Academic article
  • Hassanzadeh, Ahmad; Kar, Manish Kumar; Safarian, Jafar; Kowalczuk, Przemyslaw Boguslaw. (2023) An Investigation on Reduction of Calcium Added Bauxite Residue Pellets by Hydrogen and Iron Recovery through Physical Separation Methods. Metals
    Academic article
  • Tang, Kai; Rasouli, Azam; Safarian, Jafar; Ma, Xiang; Tranell, Maria Gabriella. (2023) Magnesiothermic Reduction of Silica: A Machine Learning Study. Materials
    Academic article
  • Kar, Manish Kumar; Eijk, Casper van der; Safarian, Jafar. (2023) Kinetics Study on the Hydrogen Reduction of Bauxite Residue-Calcite Sintered Pellets at Elevated Temperature. Metals
    Academic article
  • 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
    Academic article
  • Safarian, Jafar; Eini, Ariel Skaug; Pedersen, Markus Antonius Elinsønn; Haghdani, Shokouh. (2023) The Effect of Process Conditions on Sulfuric Acid Leaching of Manganese Sludge. Materials
    Academic article
  • Mwase, James; Safarian, Jafar. (2022) Desilication of Sodium Aluminate Solutions from the Alkaline Leaching of Calcium-Aluminate Slags. Processes
    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
  • 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
  • Safarian, Jafar. (2022) A sustainable process to produce manganese and its alloys through hydrogen and aluminothermic reduction. Processes
    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
    Academic article
  • Rasouli, Azam; Herstad, Karl Edvin; Safarian, Jafar; Tranell, Gabriella. (2022) Magnesiothermic Reduction of Natural Quartz. Metallurgical and Materials Transactions B
    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
    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
    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
    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
    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
    Academic article
  • Cheraghi, Alireza; Yoozbashizadeh, Hossein; Safarian, Jafar. (2022) Carburization of Manganese Oxide Sources by Natural Gas. Metallurgical and Materials Transactions B
    Academic article
  • Rasouli, Azam; Tsoutsouva, Maria; Safarian, Jafar; Tranell, Gabriella. (2022) Kinetics of Magnesiothermic Reduction of Natural Quartz. Materials
    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
    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
    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
    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
    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
    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
    Academic article
  • Safarian, Jafar. (2021) Duplex Process to Produce Ferromanganese and Direct Reduced Iron by Natural Gas. ACS Sustainable Chemistry and Engineering
    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
    Academic article
  • Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar. (2021) Aluminothermic reduction of manganese oxide from selected mno-containing slags. Materials
    Academic article
  • Zhu, Mengyi; Wu, Guixuan; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Müller, Michael. (2021) Effects of La2O3 Addition into CaO-SiO2 Slag: Structural Evolution and Impurity Separation from Si-Sn Alloy. Metallurgical and Materials Transactions B
    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
    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
    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)
    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
    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
  • 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
    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
    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
    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
    Academic article
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2020) Vacuum refining of silicon at ultra-high tempratures. Vacuum
    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
    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
    Academic article
  • Azof, Fabian Imanasa; Safarian, Jafar. (2020) Leaching kinetics and mechanism of slag produced from smelting-reduction of bauxite for alumina recovery. Hydrometallurgy
    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)
    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
    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
    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
    Academic literature review
  • Jiao, Jianmeng; Grorud, Bettina; Sindland, Caroline; Safarian, Jafar; Tang, Kai; Sellevoll, Kathrine. (2019) The Use of Eutectic Fe-Si-B Alloy as a Phase Change Material in Thermal Energy Storage Systems. Materials
    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)
    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
    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
    Academic article
  • Hoseinpur Kermani, Arman; Safarian, Jafar. (2019) Mechanisms of graphite crucible degradation in contact with Si–Al melts at high temperatures and vacuum conditions . Vacuum
    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
    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
    Academic article
  • Safarian, Jafar. (2018) Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags. Silicon
    Academic article
  • Datas, Alejandro; Cristobal, Ana Belen; del Cañizo, Carlos; Antolin, Elisa; Beaughon, Michel; Nikolopoulos, Nikolaos. (2018) AMADEUS: Next generation materials and solid state devices for ultra high temperature energy storage and conversion. AIP Conference Proceedings
    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
    Academic article
  • Espelien, Stine; Safarian, Jafar. (2017) Effect of acid leaching conditions on impurity removal from silicon doped by magnesium. AIMS Energy
    Academic article
  • Polkowski, Wojciech; Sobczak, Natalia; Nowak, Rafal; Kudyba, Artur; Bruzda, Grzegorz; Polkowska, Adelajda. (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)
    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
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv. (2015) Microscopic Study of Carbon Surfaces Interacting with High Carbon Ferromanganese Slag. Metallurgical and Materials Transactions B
    Academic article
  • Safarian-Dastjerdi, Jafar; Tang, Kai; Hildal, Kjetil; Tranell, Gabriella. (2014) Boron Removal from Silicon by Humidified Gases. Metallurgical and Materials Transactions E
    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
    Academic article
  • Safarian, Jafar; Engh, Thorvald Abel. (2013) Vacuum evaporation of pure metals. Metallurgical and Materials Transactions A
    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
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Kinetics and Mechanism of Phosphorus Removal from Silicon in Vacuum Induction Refining. High Temperature Materials and Processes
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2012) Vacuum refining of molten silicon. Metallurgical and Materials Transactions B
    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
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2012) Thermodynamic activities in silicon binary melts. Journal of Materials Science
    Academic article
  • Safarian-Dastjerdi, Jafar; Tranell, Gabriella; Tangstad, Merete. (2012) Processes for upgrading metallurgical grade silicon to solar grade silicon. Energy Procedia
    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
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2011) Phase diagram study of the Si-P system in Si-rich region. Journal of Materials Research
    Academic article
  • Safarian, Jafar; Kolbeinsen, Leiv; Tangstad, Merete. (2011) Liquidus of Silicon Binary Systems. Metallurgical and Materials Transactions B
    Academic article
  • Safarian, Jafar; Tangstad, Merete. (2009) Wettability of silicon carbide by CaO-SiO2 slags. Metallurgical and Materials Transactions B
    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
    Academic article
  • Safarian-Dastjerdi, Jafar; Kolbeinsen, Leiv. (2008) Kinetic of carbothermic reduction of MnO from high-carbon ferromanganese slag by graphite materials. ISIJ International
    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
    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
    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. Liquid Metal Processing & Casting Conference 2019
    Academic anthology/Conference proceedings
  • Safarian, Jafar. (2018) Extraction of iron and ferrosilicon alloys from low grades bauxite ores. Springer Springer
    Academic anthology/Conference proceedings

Part of book/report

  • Tranell, Gabriella; Safarian, Jafar; Wallin, Maria. (2020) SisAl – A New Process for Production of Silicon. Norges teknisk-naturvitenskapelige universitet
    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.
    Academic chapter/article/Conference paper
  • Azof, Fabian Imanasa; Kolbeinsen, Leiv; Safarian, Jafar. (2019) Kinetics of the leaching of alumina-containing slag for alumina recovery.
    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 Southern African Institute of Mining and Metallurgy
    Academic chapter/article/Conference paper
  • Murgau, Adrian; Safarian, Jafar. (2018) Solar silicon production through metallurgical route and REC Solar advancements. Norges teknisk-naturvitenskapelige universitet
    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. Norges teknisk-naturvitenskapelige universitet
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Sanna, Claudio; Tranell, Gabriella. (2017) Boron Removal from Silicon by Moisturized Gases. WIP
    Academic chapter/article/Conference paper
  • Sellæg, Hanne; Kolbeinsen, Leiv; Safarian, Jafar. (2017) Iron Separation from Bauxite Through Smelting-Reduction Process. Springer Publishing Company
    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. Springer
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Espelien, Stine. (2017) Hydrometallurgical Purification of Magnesium-Doped Silicon by Different Acids. WIP
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Sustainability in alumina production from bauxite.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Tranell, Gabriella. (2016) SILICON PURIFICATION THROUGH MAGNESIUM ADDITION AND ACID LEACHING. WIP
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Kolbeinsen, Leiv. (2016) Smelting-reduction of bauxite for sustainable alumina production.
    Academic chapter/article/Conference paper
  • Safarian, Jafar; Tangstad, Merete. (2010) Vacuum behaviour of the dissolved elements in molten silicon. Tapir Akademisk Forlag
    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.
    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.
    Academic chapter/article/Conference paper

Report

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

Teaching

Courses

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

Media

2022

  • Lecture
    Zhu, Mengyi; Safarian, Jafar. (2022) Purification of silicon produced through the SisAl process by acid leaching. NTNU Refining and Recycling of Solar Silicon Seminar , Trondheim 2022-11-04 - 2022-11-04
  • 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. NTNU Silicon for the Chemical & Solar Industry XVI , 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
  • Academic lecture
    Zhu, Mengyi; Safarian, Jafar. (2022) Silicon purification via acid leaching. NTNU SINTEF Hypros Gemini Center Hydrometallurgy Seminar , Trondheim 2022-11-08 - 2022-11-08
  • 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

2021

  • Academic lecture
    Mwase, James; Safarian, Jafar. (2021) Production of Aluminium Tri-hydroxides from Secondary Bauxite Materials. GDMB Gesellschaft der Metallurgen und Bergleute e. V. EMC 2021 European Metallurgical Conference, Virtual Conference , Virtual 2021-07-27 - 2021-07-30
  • Academic lecture
    Hoseinpur Kermani, Arman; Safarian, Jafar. (2021) Boron removal from Si by gas blowing technique . European union Eurpean Solar cell sectror conference , online 2021-09-06 - 2021-09-10
  • 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
    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
  • Academic lecture
    Hoseinpur Kermani, Arman; Safarian, Jafar. (2021) Applications of metallurgical methods in production and recovery of Silicon. SINTEF SOLAR ENERGY Webinar- Promoting a circular economy in the solar photovoltaic value chain 2021-05-07 - 2021-05-07

2020

  • 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. ICSOBA International ICSOBA Conference, Virtual Conference , Virtual 2020-11-16 - 2020-11-18
  • Academic lecture
    Hoseinpur Kermani, Arman; Tranell, Gabriella; Safarian, Jafar. (2020) Phosphorus and Boron removal from Si by vacuum and gas refining processes. NTNU Silicon for chemical and solar industry XV , Trondheim, Norway, June 15-18 2020-06-15 - 2020-06-18
  • 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
  • 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

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

  • Poster
    Safarian, Jafar. (2018) Phosphorus removal from Al-doped silicon by vacuum refining . EU OVSEC 2018 2018-09-25 - 2018-09-28
  • 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
  • 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
    Azof, Fabian Imanasa; Safarian, Jafar. (2018) Leaching Characteristics of CaO-Al2O3-SiO2 Slag Produced from Smelting-Reduction of Low-Grade Bauxite. Department of Materials Science and Engineering, NTNU Friday Seminar , Trondheim 2018-10-05 - 2018-10-05
  • 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
  • Poster
    Hoseinpur Kermani, Arman; Safarian, Jafar. (2018) Phosphorus removal from Al doped Silicon by vacuum refining . EUPVSEC 2018 2018-09-26 - 2018-09-30

2017

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

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 - The Mineral, Metals & Materials Society TMS 2012 Annual Meeting & Exhibition! , 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) Vacuum behavior of the dissolved elements in molten silicon. NTNU Silicon for the Chemical and Solar Industry X , Ålesund-Geiranger 2010-06-28 - 2010-07-02
  • Academic lecture
    Safarian, Jafar; Tangstad, Merete. (2010) Slag-Carbon Reactivity. INFACON XII 2010-06-06 - 2010-06-09
  • 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. SINTEF/NTNU 3rd International workshop on Crystalline Silicon Solar Celles , 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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