PyroGenesis sent us a final report regarding the Gen1 (Lab Scale) PUREVAP reactor (Technical Memo: “TM-2017-830 REV 00, - Final Report-Silicon Metal Purity Enhancement”). In short, they say that after 96 tests, results suggests that under a semi-continuous process, the GEN2 PUREVAPtm can transform Quartz (SiO2) into Silicon Metal (Si) with purity levels acceptable to the solar wafer industry (4N+ or 99.998% Si). The recently commenced Gen 2 PUREVAPtm metallurgical testing program aims to confirm this. Looking forward to showing the first tapping of molten silicon and producing ingots for all to see!
Press Release
Final Gen 1 PUREVAPtm Purity Enhancement Test Identifies Pathways To Producing Solar Grade Silicon Metal with the Gen 2 PUREVAPtm
Summary of the PyroGenesis Report
REPORT SUMMARY Gen 1 PUREVAPtm Final Report - Silicon Metal Purity Enhancement