Jafar Safarian
Om
Interessefelt:
• Hydrogen og naturgass brukt i metallproduksjon
• Ekstraktiv metallurgi av silisium, ferrolegeringer, jern og stål, ...
• Silisium raffinering til solceller; vakuum raffinering, slagg raffinering, gass raffinering, etc.
• Produksjon av alumina
• Termodynamikk og faseforhold i metallurgiske systemer
• Kinetikk av metallurgiske reaksjoner (reduksjon, oksidasjon, forgassing, fordampning, ...)
• Hydrometallurgi
• Karbon materialer og deres egenskaper for metallurgiske prosesser
• Transport fenomener i metallurgi (varmeoverføring og massetransport)
• Metallurgisk lab; metallurgiske ovner, eksperimentell design og materialer karakterisering
Courses:
MT8200-Videregående kjemisk metallurgi (https://www.ntnu.no/studier/emner/MT8200#tab=omEmnet )
TKP4158-Hydrometallurgisk prosessteknologi (https://www.ntnu.no/studier/emner/TKP4158#tab=omEmnet)
TKJ4162-Fysikalsk kjemi: Kjemisk termodynamikk (https://www.ntnu.no/studier/emner/TKJ4162#tab=omEmnet)
Publikasjoner
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.
Vitenskapelig artikkel
-
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.
volum 13 (4).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
Cheraghi, Alireza;
Yoozbashizadeh, Hossein;
Safarian, Jafar.
(2022)
Carburization of Manganese Oxide Sources by Natural Gas.
Metallurgical and Materials Transactions B.
volum 53B (2).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Mwase, James;
Safarian, Jafar.
(2022)
Desilication of Sodium Aluminate Solutions from the Alkaline Leaching of Calcium-Aluminate Slags.
Processes.
volum 10 (9).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Rasouli, Azam;
Herstad, Karl Edvin;
Safarian, Jafar;
Tranell, Gabriella.
(2022)
Magnesiothermic Reduction of Natural Quartz.
Metallurgical and Materials Transactions B.
volum 53B.
Vitenskapelig artikkel
-
Rasouli, Azam;
Tsoutsouva, Maria;
Safarian, Jafar;
Tranell, Gabriella.
(2022)
Kinetics of Magnesiothermic Reduction of Natural Quartz.
Materials.
volum 15 (19).
Vitenskapelig artikkel
-
Safarian, Jafar.
(2022)
A sustainable process to produce manganese and its alloys through hydrogen and aluminothermic reduction.
Processes.
volum 10 (1).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Kudyba, Artur;
Akhtar, Shahid;
Johansen, Inge;
Safarian, Jafar.
(2021)
Aluminothermic reduction of manganese oxide from selected mno-containing slags.
Materials.
volum 14 (2).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Lazou, Adamantia;
Safarian, Jafar.
(2021)
Acid leaching of Mn-sludge.
Norges teknisk-naturvitenskapelige universitet. 2021.
Rapport
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar.
(2021)
Duplex Process to Produce Ferromanganese and Direct Reduced Iron by Natural Gas.
ACS Sustainable Chemistry and Engineering.
volum 9 (14).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Hoseinpur Kermani, Arman;
Safarian, Jafar.
(2020)
Vacuum refining of silicon at ultra-high tempratures.
Vacuum.
volum 184.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Tranell, Gabriella;
Safarian, Jafar;
Wallin, Maria.
(2020)
SisAl – A New Process for Production of Silicon.
Silicon for the Chemical and Solar Industry XV.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig oversiktsartikkel/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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig antologi/Konferanseserie
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
(2018)
AMADEUS: Next generation materials and solid state devices for ultra high temperature energy storage and conversion.
AIP Conference Proceedings.
volum 2033.
Vitenskapelig artikkel
-
Murgau, Adrian;
Safarian, Jafar.
(2018)
Solar silicon production through metallurgical route and REC Solar advancements.
Silicon for the Chemical and Solar Industry XIV.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar.
(2018)
Extraction of iron and ferrosilicon alloys from low grades bauxite ores.
Springer. 2018. ISBN 978-3-319-95021-1.
Vitenskapelig antologi/Konferanseserie
-
Safarian, Jafar.
(2018)
Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags.
Silicon.
volum 11 (1).
Vitenskapelig artikkel
2017
-
Espelien, Stine;
Safarian, Jafar.
(2017)
Effect of acid leaching conditions on impurity removal from silicon doped by magnesium.
AIMS Energy.
volum 5 (4).
Vitenskapelig artikkel
-
Espelien, Stine;
Tranell, Gabriella;
Safarian, Jafar.
(2017)
Effect of Magnesium Addition on Removal of Impurities from Silicon by Hydrometallurgical Treatment.
Energy Technology 2017.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hoseinpur, Arman;
Safarian, Jafar.
(2017)
Vacuum evaporation of aluminum from molten silicon.
2017.
Rapport
-
Mengyi, Zhu;
Safarian, Jafar.
(2017)
Silicon purification by leaching.
2017.
Rapport
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Espelien, Stine.
(2017)
Hydrometallurgical Purification of Magnesium-Doped Silicon by Different Acids.
33 European Photovoltaic Solar Energy Conference and Exhibition.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Sanna, Claudio;
Tranell, Gabriella.
(2017)
Boron Removal from Silicon by Moisturized Gases.
33 European Photovoltaic Solar Energy Conference and Exhibition.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sellæg, Hanne;
Kolbeinsen, Leiv;
Safarian, Jafar.
(2017)
Iron Separation from Bauxite Through Smelting-Reduction Process.
Light metals 2017.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Kolbeinsen, Leiv.
(2016)
Sustainability in alumina production from bauxite.
2016 SUSTAINABLE INDUSTRIAL PROCESSING SUMMIT AND EXHIBITION Volume 10: Battery, Recycling, Environmental, Mining.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tranell, Gabriella.
(2016)
SILICON PURIFICATION THROUGH MAGNESIUM ADDITION AND ACID LEACHING.
32 European PV conference and Exhibition.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2015
-
Safarian, Jafar;
Kolbeinsen, Leiv.
(2015)
Microscopic Study of Carbon Surfaces Interacting with High Carbon Ferromanganese Slag.
Metallurgical and Materials Transactions B.
volum 46B.
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
2013
-
Safarian, Jafar;
Engh, Thorvald Abel.
(2013)
Vacuum evaporation of pure metals.
Metallurgical and Materials Transactions A.
volum 44A (2).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Kolbeinsen, Leiv;
Tangstad, Merete.
(2012)
Thermodynamic activities in silicon binary melts.
Journal of Materials Science.
volum 47 (14).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2012)
Vacuum refining of molten silicon.
Metallurgical and Materials Transactions B.
volum 43 (6).
Vitenskapelig artikkel
-
Safarian-Dastjerdi, Jafar;
Tranell, Gabriella;
Tangstad, Merete.
(2012)
Processes for upgrading metallurgical grade silicon to solar grade silicon.
Energy Procedia.
volum 20.
Vitenskapelig artikkel
2011
-
Safarian, Jafar;
Kolbeinsen, Leiv;
Tangstad, Merete.
(2011)
Liquidus of Silicon Binary Systems.
Metallurgical and Materials Transactions B.
volum 42 (4).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2011)
Phase diagram study of the Si-P system in Si-rich region.
Journal of Materials Research.
volum 26 (12).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
2010
-
Safarian, Jafar;
Tangstad, Merete.
(2010)
Vacuum behaviour of the dissolved elements in molten silicon.
Silicon for the Chemical and Solar Industry X.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2009)
Wettability of silicon carbide by CaO-SiO2 slags.
Metallurgical and Materials Transactions B.
volum 40 (6).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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).
Doktorgradsavhandling
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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).
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
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.
Vitenskapelig artikkel
-
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.
volum 13 (4).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Cheraghi, Alireza;
Yoozbashizadeh, Hossein;
Safarian, Jafar.
(2022)
Carburization of Manganese Oxide Sources by Natural Gas.
Metallurgical and Materials Transactions B.
volum 53B (2).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Mwase, James;
Safarian, Jafar.
(2022)
Desilication of Sodium Aluminate Solutions from the Alkaline Leaching of Calcium-Aluminate Slags.
Processes.
volum 10 (9).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Rasouli, Azam;
Herstad, Karl Edvin;
Safarian, Jafar;
Tranell, Gabriella.
(2022)
Magnesiothermic Reduction of Natural Quartz.
Metallurgical and Materials Transactions B.
volum 53B.
Vitenskapelig artikkel
-
Rasouli, Azam;
Tsoutsouva, Maria;
Safarian, Jafar;
Tranell, Gabriella.
(2022)
Kinetics of Magnesiothermic Reduction of Natural Quartz.
Materials.
volum 15 (19).
Vitenskapelig artikkel
-
Safarian, Jafar.
(2022)
A sustainable process to produce manganese and its alloys through hydrogen and aluminothermic reduction.
Processes.
volum 10 (1).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Kudyba, Artur;
Akhtar, Shahid;
Johansen, Inge;
Safarian, Jafar.
(2021)
Aluminothermic reduction of manganese oxide from selected mno-containing slags.
Materials.
volum 14 (2).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar.
(2021)
Duplex Process to Produce Ferromanganese and Direct Reduced Iron by Natural Gas.
ACS Sustainable Chemistry and Engineering.
volum 9 (14).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Hoseinpur Kermani, Arman;
Safarian, Jafar.
(2020)
Vacuum refining of silicon at ultra-high tempratures.
Vacuum.
volum 184.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig oversiktsartikkel/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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
(2018)
AMADEUS: Next generation materials and solid state devices for ultra high temperature energy storage and conversion.
AIP Conference Proceedings.
volum 2033.
Vitenskapelig artikkel
-
Safarian, Jafar.
(2018)
Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags.
Silicon.
volum 11 (1).
Vitenskapelig artikkel
-
Espelien, Stine;
Safarian, Jafar.
(2017)
Effect of acid leaching conditions on impurity removal from silicon doped by magnesium.
AIMS Energy.
volum 5 (4).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Kolbeinsen, Leiv.
(2015)
Microscopic Study of Carbon Surfaces Interacting with High Carbon Ferromanganese Slag.
Metallurgical and Materials Transactions B.
volum 46B.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Engh, Thorvald Abel.
(2013)
Vacuum evaporation of pure metals.
Metallurgical and Materials Transactions A.
volum 44A (2).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Kolbeinsen, Leiv;
Tangstad, Merete.
(2012)
Thermodynamic activities in silicon binary melts.
Journal of Materials Science.
volum 47 (14).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2012)
Vacuum refining of molten silicon.
Metallurgical and Materials Transactions B.
volum 43 (6).
Vitenskapelig artikkel
-
Safarian-Dastjerdi, Jafar;
Tranell, Gabriella;
Tangstad, Merete.
(2012)
Processes for upgrading metallurgical grade silicon to solar grade silicon.
Energy Procedia.
volum 20.
Vitenskapelig artikkel
-
Safarian, Jafar;
Kolbeinsen, Leiv;
Tangstad, Merete.
(2011)
Liquidus of Silicon Binary Systems.
Metallurgical and Materials Transactions B.
volum 42 (4).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2011)
Phase diagram study of the Si-P system in Si-rich region.
Journal of Materials Research.
volum 26 (12).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2009)
Wettability of silicon carbide by CaO-SiO2 slags.
Metallurgical and Materials Transactions B.
volum 40 (6).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
Bøker
-
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.
Vitenskapelig antologi/Konferanseserie
-
Safarian, Jafar.
(2018)
Extraction of iron and ferrosilicon alloys from low grades bauxite ores.
Springer. 2018. ISBN 978-3-319-95021-1.
Vitenskapelig antologi/Konferanseserie
Del av bok/rapport
-
Tranell, Gabriella;
Safarian, Jafar;
Wallin, Maria.
(2020)
SisAl – A New Process for Production of Silicon.
Silicon for the Chemical and Solar Industry XV.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Murgau, Adrian;
Safarian, Jafar.
(2018)
Solar silicon production through metallurgical route and REC Solar advancements.
Silicon for the Chemical and Solar Industry XIV.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Espelien, Stine;
Tranell, Gabriella;
Safarian, Jafar.
(2017)
Effect of Magnesium Addition on Removal of Impurities from Silicon by Hydrometallurgical Treatment.
Energy Technology 2017.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Espelien, Stine.
(2017)
Hydrometallurgical Purification of Magnesium-Doped Silicon by Different Acids.
33 European Photovoltaic Solar Energy Conference and Exhibition.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Sanna, Claudio;
Tranell, Gabriella.
(2017)
Boron Removal from Silicon by Moisturized Gases.
33 European Photovoltaic Solar Energy Conference and Exhibition.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sellæg, Hanne;
Kolbeinsen, Leiv;
Safarian, Jafar.
(2017)
Iron Separation from Bauxite Through Smelting-Reduction Process.
Light metals 2017.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Kolbeinsen, Leiv.
(2016)
Sustainability in alumina production from bauxite.
2016 SUSTAINABLE INDUSTRIAL PROCESSING SUMMIT AND EXHIBITION Volume 10: Battery, Recycling, Environmental, Mining.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Tranell, Gabriella.
(2016)
SILICON PURIFICATION THROUGH MAGNESIUM ADDITION AND ACID LEACHING.
32 European PV conference and Exhibition.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Safarian, Jafar;
Tangstad, Merete.
(2010)
Vacuum behaviour of the dissolved elements in molten silicon.
Silicon for the Chemical and Solar Industry X.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
-
Lazou, Adamantia;
Safarian, Jafar.
(2021)
Acid leaching of Mn-sludge.
Norges teknisk-naturvitenskapelige universitet. 2021.
Rapport
-
Hoseinpur, Arman;
Safarian, Jafar.
(2017)
Vacuum evaporation of aluminum from molten silicon.
2017.
Rapport
-
Mengyi, Zhu;
Safarian, Jafar.
(2017)
Silicon purification by leaching.
2017.
Rapport
-
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).
Doktorgradsavhandling
Undervisning
Emner
Formidling
2022
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Vitenskapelig foredragHoseinpur 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.
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Faglig foredragZhu, 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.
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Vitenskapelig foredragZhu, 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.
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Faglig foredragZhu, 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.
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Vitenskapelig foredragZhu, Mengyi; Safarian, Jafar. (2022) Silicon purification via acid leaching. Hypros Gemini Center Hydrometallurgy Seminar . NTNU SINTEF; Trondheim. 2022-11-08 - 2022-11-08.
2021
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Vitenskapelig foredragAzarov, 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.
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Vitenskapelig foredragHoseinpur 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.
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Vitenskapelig foredragHoseinpur 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.
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Vitenskapelig foredragMwase, 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.
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Vitenskapelig foredragZhu, 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
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Vitenskapelig foredragHoseinpur 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.
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Vitenskapelig foredragMwase, 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.
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Vitenskapelig foredragSalehi, 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.
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Vitenskapelig foredragZhu, 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
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Vitenskapelig foredragLazou, 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.
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Vitenskapelig foredragZhu, 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
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Vitenskapelig foredragAzof, 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.
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PosterHoseinpur Kermani, Arman; Safarian, Jafar. (2018) Phosphorus removal from Al doped Silicon by vacuum refining. EUPVSEC 2018 ; 2018-09-26 - 2018-09-30.
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Vitenskapelig foredragHoseinpur 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.
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Vitenskapelig foredragPolkowski, 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.
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PosterSafarian, Jafar. (2018) Phosphorus removal from Al-doped silicon by vacuum refining. EU OVSEC 2018 ; 2018-09-25 - 2018-09-28.
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PosterZhu, 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.
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Vitenskapelig foredragZhu, 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
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Faglig foredragAzof, 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.
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Vitenskapelig foredragSafarian, Jafar. (2017) Metallurgical processes for solar grade silicon feedstock production. Norwegian Solar Cell Conference 2017 . IFE; Son. 2017-05-09 - 2017-05-10.
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Vitenskapelig foredragSafarian, 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.
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Vitenskapelig foredragSafarian, 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
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Vitenskapelig foredragRingdalen, 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
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Vitenskapelig foredragSafarian, 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
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Vitenskapelig foredragSafarian, 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
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Vitenskapelig foredragSafarian, Jafar; Tangstad, Merete. (2010) Slag-Carbon Reactivity. INFACON XII ; 2010-06-06 - 2010-06-09.
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Vitenskapelig foredragSafarian, 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.
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Vitenskapelig foredragZhang, 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
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Vitenskapelig foredragSafarian, 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
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Vitenskapelig foredragSafarian, 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.