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2021
1 Folstad, Marit Buhaug; Ringdalen, Eli; Tveit, Halvard; Tangstad, Merete.
Effect of different SiO2 polymorphs on the reaction between SiO2 and SiC in Si production. Metallurgical and Materials Transactions B 2021 ;Volum 52B.(2) s. 792-803
NTNU SINTEF Untitled
 
2020
2 Edfeldt, Hanne.
Pressure drop in charge mixture in silicon production. Trondheim: NTNU 2020 80 s.
NTNU Untitled
 
3 Edfeldt, Hanne.
Pressure drop in charge mixture in silicon production. Trondheim: NTNU 2020
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4 Ringdalen, Eli; Bao, Sarina; Tveit, Halvard.
Effect of melting properties of quartz on industrial Si and FeSi production. I: Silicon for the Chemical and Solar Industry XV. Norges teknisk-naturvitenskapelige universitet 2020 ISBN 978-82-997357-9-7. s. 101-117
NTNU SINTEF Untitled
 
5 Andresen, Birger; Rong, Harry Morten; Tangstad, Merete; Tveit, Halvard; Page, Ingrid Gamst.
Silicon for the Chemical and Solar Industry XV. Norges teknisk-naturvitenskapelige universitet 2020 (ISBN 978-82-997357-9-7) 334 s.
NTNU Untitled
 
6 Tveit, Halvard; Ringdalen, Eli; Edfeldt, Hanne.
Important parameters that control the crater pressure in a Silicon Furnace. Silicon conference; 2020-06-15 - 2020-06-18
SINTEF NTNU Untitled
 
7 Tveit, Halvard; Ringdalen, Eli; Edfeldt, Hanne.
Important parameters that control the crater pressure in a Silicon Furnace. I: Silicon for the Chemical and Solar Industry XV. Norges teknisk-naturvitenskapelige universitet 2020 ISBN 978-82-997357-9-7. s. 37-46
SINTEF NTNU Untitled
 
2019
8 Nordnes, Elisabeth.
Softening and Melting Properties of Quartz. Trondheim: NTNU 2019 87 s.
SINTEF NTNU Untitled
 
9 Nordnes, Elisabeth.
Softening and Melting Properties of Quartz. : NTNU 2019
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10 Ringdalen, Eli; Bao, Sarina; Tveit, Halvard; Nordnes, Elisabeth.
Melting properties of quartz and their effect on industrial Si and FeSi production. International Congress & Exhibition "Non-ferrous Metals and Minerals + ISCOBA conference; 2019-09-16 - 2019-09-19
NTNU SINTEF Untitled
 
11 Ringdalen, Eli; Bao, Sarina; Tveit, Halvard; Nordnes, Elisabeth.
Melting properties of quartz and their effect on industrial Si and FeSi production. The International Committee for Study of Bauxite, Alumina & Aluminium Conference Proceedings 2019
SINTEF NTNU Untitled
 
12 Tveit, Halvard; Kolbeinsen, Leiv.
The (love & hate) role of entropy in process metallurgy. Matériaux & Techniques 2019 ;Volum 107.(5) s. -
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2018
13 Andresen, Birger; Nygaard, Lars; Rong, Harry Morten; Tangstad, Merete; Tveit, Halvard; Page, Ingrid Gamst.
Silicon for the Chemical and Solar Industry XIV. Norges teknisk-naturvitenskapelige universitet 2018 (ISBN 9788269291926) 391 s.
NTNU Untitled
 
14 Tveit, Halvard; Breidenthal, Mark.
The EHS Achilles Heel of the Silicon Furnace – the Potential for Energy out of Control. I: Silicon for the Chemical and Solar Industry XIV. Norges teknisk-naturvitenskapelige universitet 2018 ISBN 9788269291926. s. 357-366
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15 Tveit, Halvard; Breidenthal, Mark.
The EHS Achilles Heel of the Silicon Furnace – the Potential for Energy out of Control. Silicon for the Chemical and Solar Industry XIV; 2018-06-11 - 2018-06-14
NTNU Untitled
 
2017
16 Khadkhodabeigi, Mehdi; Tveit, Halvard.
PhD work - Tapping of industrial Si furnaces. Controlled Tapping seminar; 2017-10-11 - 2017-10-12
NTNU Untitled
 
2016
17 Nygård, Lars; Pachaly, Bernd; Rong, Harry Morten; Tangstad, Merete; Tveit, Halvard; Page, Ingrid Gamst.
Silicon for the Chemical and Solar Industry XIII. Norges teknisk-naturvitenskapelige universitet 2016 (ISBN 9788269291919) 390 s.
NTNU Untitled
 
2015
18 Børset, Marit Takla; Kolbeinsen, Leiv; Tveit, Halvard; Kjelstrup, Signe.
Exergy based efficiency indicators for the silicon furnace. Energy 2015 ;Volum 90. s. 1916-1921
NTNU Untitled
 
2014
19 Møll, Maria Førde; Tveit, Halvard; Berget, Kjell Håkon.
Solidification of metallurgical grade silicon. Grain size and distribution of intermetallic phases. Silicon for the Chemical and Solar Industry XII; 2014-06-23 - 2014-06-26
NTNU Untitled
 
20 Møll, Maria Førde; Tveit, Halvard; Berget, Kjell Håkon.
Solidification of metallurgical grade silicon Grain size and distribution of intermetallic phases. I: Silicon for the Chemical and Solar Industry XII. Trondheim: Norges teknisk-naturvitenskapelige universitet 2014 ISBN 978-82-997357-8-0. s. 189-199
NTNU Untitled
 
21 Slizovskiy, Dmitry; Tveit, Halvard; Brede, I.; Tranell, Gabriella; Andersen, Geir Johan; Kamfjord, Nils Eivind; Wittgens, Bernd.
The industrial-scale study of the effect of charge frequency and H2O behaviour in the off-gases on NOx emissions in Si furnace. I: Silicon for the Chemical and Solar Industry XII. Trondheim: Norges teknisk-naturvitenskapelige universitet 2014 ISBN 978-82-997357-8-0. s. 207-219
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22 Tveit, Halvard; Andersen, Vegar; Berget, Kjell Håkon; Jensen, Ragnhild.
THE TAPPING PROCESS IN SILICON PRODUCTION.. SAIMM2014 - FURNACE TAPPING CONFERENCE 2014; 2014-05-27 - 2014-05-29
NTNU Untitled
 
23 Øye, Harald Arnljot; Brekken, H.; Nygaard, Lars; Rong, Harry Morten; Tangstad, Merete; Tveit, Halvard.
Silicon for the Chemical and Solar Industry XII. Trondheim: Norges teknisk-naturvitenskapelige universitet 2014 (ISBN 978-82-997357-8-0) 334 s.
NTNU Untitled
 
2013
24 Børset, Marit Takla; Kamfjord, Nils Eivind; Tveit, Halvard; Kjelstrup, Signe.
Energy and exergy analysis of the silicon production process. Energy 2013 ;Volum 58. s. 138-146
NTNU Untitled
 
25 Møll, Maria Førde; Berget, Kjell Håkon; Myrhaug, Edin; Onsøien, Morten Ingar; Tveit, Halvard.
THE MAIN REASONS TO DEVELOP AN IMPROVED CASTING PROCESS FOR SILICON- NEW REQUIREMENTS FOR WORKING ENVIRONMENT, INCREASED POST TAPHOLE YIELD AND PRODUCT QUALITY. Infacon XIII; 2013-06-09 - 2013-06-12
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26 Næss, Mari K.; Kero, Ida; Tranell, Gabriella; Tang, Kai; Tveit, Halvard.
Element Distribution in Silicon Refining: Thermodynamic Model and Industrial Measurements. JOM 2013 ;Volum 66.(11) s. 2343-2354
SINTEF NTNU Untitled
 
2012
27 Berget, Kjell Håkon; Garcia, Melina; Tveit, Halvard.
The European Emission Trading Scheme and its impact on the Silicon Industry in Europe. I: Silicon for the chemical and solar industry XI : location: Bergen - Ulvik, Norway, June 25-29, 2012. Trondheim: Norwegian University of Science and Technology 2012 ISBN 978-82-997357-7-3. s. 119-134
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28 Berget, Kjell Håkon; Garcia, Melina; Tveit, Halvard.
The European Emission Trading Scheme and its impact on the Silicon Industry in Europe. Silicon for the Chemical and Solar Industry XI; 2012-06-25 - 2012-06-29
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29 Førde Møll, Maria; Tveit, Halvard; Berget, Kjell Håkon.
Study of the solidification in a silicon alloy Cooling rate vs. microstructure. Silicon for the Chemical and Solar Industry XI; 2012-06-25 - 2012-06-29
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30 Kadkhodabeigi, Mehdi; Safarian-Dastjerdi, Jafar; Tveit, Halvard; Tangstad, Merete; Johansen, Stein Tore.
Removal of SiC particles from solar grade silicon melts by imposition of high frequency magnetic field. Transactions of Nonferrous Metals Society of China 2012 ;Volum 22.(11) s. 2813-2821
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31 Kamfjord, Nils Eivind; Tveit, Halvard; Solheim, Ingeborg.
Pilot Scale Measurements of NO Emissions from the Silicon Process. I: 3rd International Symposium on High Temperature Metallurgical Processing. John Wiley & Sons 2012 ISBN 978-1-11829-141-2. s. 411-418
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32 Kamfjord, Nils Eivind.
Mass and energy balances of the silicon process. : NTNU-trykk 2012 (ISBN 9788247136133) 139 s.
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33 Myrhaug, Edin Henrik; Tveit, Halvard; Kamfjord, Nils Eivind; Andersen, Geir J.; Grøvlen, Åslaug.
NOx Emissions from Silicon Production. Silicon for the Chemical and Solar Industry XI; 2012-06-25 - 2012-06-29
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34 Møll, Maria Førde; Tveit, Halvard; Berget, Kjell Håkon.
Study of the solidification in a silicon alloy Cooling rate vs. microstructure. I: Silicon for the chemical and solar industry XI : location: Bergen - Ulvik, Norway, June 25-29, 2012. Trondheim: Norwegian University of Science and Technology 2012 ISBN 978-82-997357-7-3. s. 17-28
NTNU Untitled
 
35 Takla, Marit; Kolbeinsen, Leiv; Tveit, Halvard; Kjelstrup, Signe.
Eksergianalyse av silisiumproduksjonsprosessen. Nasjonal Konferanse for Materialteknologi; 2012-05-09 - 2012-05-10
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36 Takla, Marit; Kolbeinsen, Leiv; Tveit, Halvard; Kjelstrup, Signe.
Exergy Analysis of the Silicon Production Process. The 25th International Conference on Efficiency, Cost, Optimization Simulation and Environmental Impact of Energy Systems, ECOS 2012; 2012-06-26 - 2012-06-29
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37 Tveit, Halvard; Andersen, Vegar.
The Norwegian power-intensive metallurgical industry and its role in the global household. I: Norwegian Energy Policy in Context of the Global Energy Situation. Novus Forlag 2012 ISBN 978-82-7099-705-3. s. 85-102
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2011
38 Kadkhodabeigi, Mehdi; Tveit, Halvard; Johansen, Stein Tore.
CFD Modeling of Tapping Process in Ferromanganese Furnaces. 8th International Conference on CFD in Oil & Gas, Metallurgical and Process Industries, ISBN 9788214052626; 2011-06-21 - 2011-06-23
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39 Kadkhodabeigi, Mehdi; Tveit, Halvard; Johansen, Stein Tore.
Modelling the Tapping Process in Submerged Arc Furnaces Used in High Silicon Alloys Production. ISIJ International 2011 ;Volum 51.(2) s. 193-202
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2010
40 Kadkhodabeigi, Mehdi; Tveit, Halvard; Berget, Kjell Håkon.
Silicon Process - New Hood Design for Tapping Gas Collection. INFACON XII: Sustaiable Future, Volum 1. Published by Outotec Oyj. 2010, ISBN 978-952-92-7340-9, pp. 109-119.; 2010-06-06 - 2010-06-09
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41 Kadkhodabeigi, Mehdi; Tveit, Halvard; Johansen, Stein Tore.
CFD modelling of the effect of furnace crater pressure on the melt and gas flows in the submerged arc furnaces used for silicon production. Progress in Computational Fluid Dynamics, An International Journal (CFD) 2010 ;Volum 10.(5/6) s. 374-383
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42 Kamfjord, Nils Eivind; Myrhaug, Edin Henry; Tveit, Halvard; Wittgens, Bernd.
Energy balance of a 45 MW (ferro-) silicon sub-merged arc furnace. INFACON XII; 2010-06-06 - 2010-06-09
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43 Tveit, Halvard; Berget, Kjell Håkon; Førde Møll, Maria.
The silicon process – the need for a major upgrade of the internal environment and fugitive emissions. Silicon for the Chemical and Solar Industry; 2010-06-28 - 2010-07-02
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44 Tveit, Halvard; Berget, Kjell Håkon; Møll, Maria Førde.
The silicon process - the need for a major upgrade of the internal environment and fugitive emissions. I: Silicon for the Chemical and Solar Industry X. Tapir Akademisk Forlag 2010 ISBN 978-82-997357-6-6. s. 25-35
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2009
45 Kadkhodabeigi, Mehdi; Tveit, Halvard; Johansen, Stein Tore.
Modeling the Tapping of Silicon Melt from the Submerged Arc Furnaces. Seventh International Conference on CFD in the Minerals and Process Industries CSIRO, Melbourne, Australia 9-11 December 2009; 2009-12-09 - 2009-12-11
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46 Tveit, Halvard; Garcia, Melina; Delbeck, Håkon; Haug, Alf Tore; Saugestad, Bjørn; Eikeland, Inger Johanne.
Water leakages in ferroalloy and silicon reduction furnaces - experience gained from a severe accident in 2006. I: Silicon for the Chemical and Solar Industry IX. Tapir Akademisk Forlag 2009 ISBN 978-82-997357-5-9. s. 11-25
NTNU Untitled
 
2008
47 Tveit, Halvard; Garcia, Melina; Delbeck, Håkon; Haug, Alf Tore; Saugestad, Bjørn; Eikeland, Inger Johanne.
Water leakages in ferroalloy and silicon reduction furnaces – experience gained from a severe accident in 2006. Silicon for the Chemical and Solar Industry IX; 2008-06-23 - 2008-06-26
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2004
48 Tveit, Halvard; Storset, Magnar; Eikeland, Inger Johanne.
The Silicon Process - Improved Environmental Standards. I: Silicon for the Chemical Industry VII. Trondheim: Department of Materials Technology, NTNU 2004 ISBN 82-90265-25-5. s. 55-67
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49 Tveit, Halvard; Storset, Magnar; Eikeland, Inger Johanne.
The Silicon Process - Improved Environmental Standards. Silicon for the Chemical Industry VII; 2004-09-21 - 2004-09-24
NTNU Untitled
 
2002
50 Tveit, Halvard; Halland, Torbjørn; Landrø, Kjell_Ingar; Johansen, Stein Tore; Ravary, Benjamin.
The Tapping Process in Silicon Production. Silicon for the Chemical Industry VI; 2002-06-17 - 2002-06-21
NTNU Untitled
 
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