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2019
1 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
 
2 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
NTNU SINTEF Untitled
 
3 Tveit, Halvard; Kolbeinsen, Leiv.
The (love & hate) role of entropy in process metallurgy. Matériaux & Techniques 2019 ;Volum 107.(5) s. -
NTNU Untitled
 
2018
4 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
5 Khadkhodabeigi, Mehdi; Tveit, Halvard.
PhD work - Tapping of industrial Si furnaces. Controlled Tapping seminar; 2017-10-11 - 2017-10-12
NTNU Untitled
 
2015
6 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
7 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
 
8 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
 
2013
9 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
 
10 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 Untitled
 
11 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
NTNU SINTEF Untitled
 
2012
12 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 Untitled
 
13 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 Untitled
 
14 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
NTNU SINTEF Untitled
 
15 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 Untitled
 
16 Kamfjord, Nils Eivind.
Mass and energy balances of the silicon process. : NTNU-trykk 2012 (ISBN 9788247136133) 139 s.
NTNU Untitled
 
17 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 Untitled
 
18 Takla, Marit; Kolbeinsen, Leiv; Tveit, Halvard; Kjelstrup, Signe.
Eksergianalyse av silisiumproduksjonsprosessen. Nasjonal Konferanse for Materialteknologi; 2012-05-09 - 2012-05-10
NTNU Untitled
 
19 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 Untitled
 
20 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 Untitled
 
2011
21 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 Untitled
 
22 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 Untitled
 
2010
23 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 Untitled
 
24 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 2010 ;Volum 10.(5/6) s. 374-383
NTNU SINTEF Untitled
 
25 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 Untitled
 
26 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 Untitled
 
2009
27 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 Untitled
 
2008
28 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 Untitled
 
2004
29 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
30 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
 
2001
31 Monsen, Bodil Elisabeth; Grønli, Morten; Nygaard, Lars; Tveit, Halvard.
The use of biocarbon in the Norwegian ferroalloy production. INFACON IX 2001, The Ninth International Ferroalloys Congress and the Manganese 2001 Health Issues Symposium. Official Proceedings pp 268-276; 2001-06-03 - 2001-06-06
NTNU SINTEF Untitled
 
2000
32 Tveit, Halvard; Myrhaug, Edin Henrik.
IMPORTANT SUB-PROCESSES IN THE SILICON PROCESS.THE BEHAVIOR OF TRACE ELEMENTS. Silicon for the Chemical Industry V; 2000-05-29 - 2000-06-02
NTNU Untitled
 
1995
33 Tuset, Johan Kristian; Tveit, Halvard; Page, I.G. red..
INFACON 7 : Trondheim, Norway, June 1995. : Norwegian Ferroalloy Research Organization 1995 (ISBN 82-595-8649-5) 752 s.
NTNU Untitled
 
1993
34 Dingsøyr, Eldar; Dåstøl, Magne; Hårsaker, Svein Martin; Rønning, Per; Tveit, Halvard.
Fremgangsmåte for fremstilling av hvit microsilica. Oslo: Styret for det industrielle rettsvern 1993 5 s.
UIA Untitled