PyroGenesis Demonstrates That the PUREVAP(TM) Process Transforms Low Purity Quartz (97.5%) to High Purity Silicon Metal Powder; Defying Standard Methods
MONTREAL, QUEBEC–(Marketwired – Nov. 2, 2016) – PyroGenesis Canada Inc. (http://pyrogenesis.com) (TSX VENTURE:PYR)(OTCQB:PYRNF), a clean-tech company (the “Company” [...]