 MONTREAL, Aug. 05, 2021 GLOBE NEWSWIRE -- PyroGenesis Canada Inc. TSX: PYR NASDAQ: PYR FRA: 8PY, a high-tech company hereinafter referred to as the Company or PyroGenesis, that designs, develops, manufactures and commercializes advanced plasma processes and sustainable solutions which reduce greenhouse gases GHG, is pleased to confirm, that further to HPQ Silicon Resources Incs press release of earlier today1, the Company has successfully produced Nano Silicon materials with its PUREVAPTM Nano Silicon Reactor NSIR for HPQ Nano Silicon Powders Inc HPQ NANO or the Client, a wholly owned subsidiary of HPQ Silicon Resources Inc TSX-V: HPQ OTCQX: HPQFF FWB: UGE. 