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Boron removal from metallurgical grade silicon by oxidizing refining WU Ji-jun(伍继君)1, MA Wen-hui(马文会)1, YANG Bin(杨 斌)1, DAI Yong-nian(戴永年)1, K. MORITA2 1. National Engineering Laboratory...; Abstract: A purification process was developed to remove impurity element boron from the metallurgical grade silicon by the electric arc......
Vacuum distillation refining of metallurgical grade silicon (Ⅰ)--Thermodynamics on removal of phosphorus from metallurgical grade silicon WEI Kui-xian(魏奎先)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian... September 2007 Abstract: The removal of impurity phosphorus from metallurgical grade silicon is one of the major problems on purification of metallurgical grade silicon for solar grade silicon preparation......
Vacuum distillation refining of metallurgical grade silicon (Ⅱ)--Kinetics on removal of phosphorus from metallurgical grade silicon MA Wen-hui(马文会)1, 2, WEI Kui-xian(魏奎先)1, 2, YANG Bin(杨 斌)1, 2...: The kinetics on vacuum refining process of metallurgical grade silicon was studied using maximum evaporation rate, critical pressure and mean free path of phosphorus in the metallurgical grade silicon......
and Engineering, Dalian University of Technology, Dalian 116024, China摘 要:The effects of the particle size of ground metallurgical grade silicon (MG-Si), the sort... of hydrometallurgical purification of metallurgical grade silicon under ultrasonic fields was also discussed.关键词:......
Removal of iron and aluminum impurities from metallurgical grade-silicon with hydrometallurgical route YU Zhan-liang(于站良)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian(戴永年)1,2, YANG Bin(杨 斌)1, 2... method for production of solar grade silicon(SoG-Si) at low cost from metallurgical grade silicon (MG-Si) via vacuum metallurgical technique was proposed, which is a promising process to feedstock solar......
Removal of boron from metallurgical grade silicon by electromagnetic induction slag melting LUO Da-wei1, LIU Ning1, LU Yi-ping1, ZHANG Guo-liang1, LI Ting-ju1, 2 1. School of Materials Science... of Technology, Dalian 116024, China Received 16 August 2010; accepted 5 January 2011 Abstract: A new purification process was developed to remove impurities in metallurgical grade silicon (MG-Si......
. Metal-liquating purification of metallurgical grade silicon (MG-Si), also called Si-recrystallization from metal liquid, was a potential energy-saving method for the removal of B and P efficiently... method; metallurgical purification process; tin-silicon system; solar grade silicon 1 Introduction With the rapid development of photovoltaic industry, the main feed stock for solar cell called solar......
Kinetics of iron removal from metallurgical grade silicon with pressure leachingYU Zhanlianga, b, c, XIE Keqianga, MA Wenhuia, ZHOU Yanga, XIE Gangb, c, and DAI Yongniana a National Engineering... Institute, Kunming 650031, China摘 要:In this paper, the kinetics of pressure leaching for purification of metallurgical grade silicon with hydrochloric acid......
Effect of thermal annealing on defects of upgraded metallurgical grade silicon WU Hong-jun1, 2, 3, MA Wen-hui1, 3, CHEN Xiu-hua2, JIANG Yong1, MEI Xiang-yang1, ZHANG Cong1, WU Xing-hui2 1... grade silicon (UMG-Si) by metallurgical methods in the directional solidification crystal growth stage. It will seriously affect the conversion efficiency of UMG-Si solar cells. The number......
Boron removal from metallurgical grade silicon by slag refining based on GA-BP neural networkShi-Lai Yuan,Hui-Min Lu,Pan-Pan Wang,Chen-Guang Tian,Zhi-Jiang GaoSchool of Materials Science... the SiO2 proportion can also contribute to the boron removal in silicon ingot.The best slag composition to remove boron was predicted by BP neural network using genetic algorithm(GA).The predicted results......
