2021
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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
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2020
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2. |
Edfeldt, Hanne. Pressure drop in charge mixture in silicon production. Trondheim: NTNU 2020 80 s. NTNU
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3. |
Edfeldt, Hanne. Pressure drop in charge mixture in silicon production. Trondheim: NTNU 2020 SINTEF NTNU
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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
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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
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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
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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
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2019
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8. |
Nordnes, Elisabeth. Softening and Melting Properties of Quartz. Trondheim: NTNU 2019 87 s. SINTEF NTNU
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9. |
Nordnes, Elisabeth. Softening and Melting Properties of Quartz. : NTNU 2019 SINTEF NTNU
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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
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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
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12. |
Tveit, Halvard; Kolbeinsen, Leiv. The (love & hate) role of entropy in process metallurgy. Matériaux & Techniques 2019 ;Volum 107.(5) s. - NTNU
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2018
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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
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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
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2017
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16. |
Khadkhodabeigi, Mehdi; Tveit, Halvard. PhD work - Tapping of industrial Si furnaces. Controlled Tapping seminar; 2017-10-11 - 2017-10-12 NTNU
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2016
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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
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2015
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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
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2014
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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
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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
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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 NTNU SINTEF
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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
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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
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2013
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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
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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 NTNU SINTEF
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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
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2012
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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 NTNU
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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 NTNU
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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 NTNU
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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 SINTEF NTNU
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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 NTNU SINTEF
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32. |
Kamfjord, Nils Eivind. Mass and energy balances of the silicon process. : NTNU-trykk 2012 (ISBN 9788247136133) 139 s. NTNU
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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 NTNU
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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
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35. |
Takla, Marit; Kolbeinsen, Leiv; Tveit, Halvard; Kjelstrup, Signe. Eksergianalyse av silisiumproduksjonsprosessen. Nasjonal Konferanse for Materialteknologi; 2012-05-09 - 2012-05-10 NTNU
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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 NTNU
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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 NTNU
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2011
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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 NTNU
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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 NTNU SINTEF
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2010
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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 NTNU
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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 NTNU SINTEF
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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 NTNU
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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 NTNU
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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 NTNU
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2009
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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 NTNU
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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
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2008
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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 NTNU
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2004
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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 NTNU
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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
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2002
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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
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