Details are published about 6N Silicon's purification process for metallurgical-grade silicon

Recently, efforts to generate solar-grade silicon (SG-Si) out of metallurgical-grade silicon (MG-Si) through lower-cost alternatives to the Siemens process – by Dow Corning, Elkem, and Timminco (see the January 10, 2008 LRSJ and the January 24, 2008 LRSJ) – have been big news, due to the potential f...

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