Business
HPQ's Latest Pilot Test Delivers Higher-Purity, Higher-Quality Fumed Silica While Validating Semi-Continuous Reactor Operation
MONTREAL, July 03, 2025 (GLOBE NEWSWIRE) -- HPQ Silicon Inc. (“HPQ” or the ...

About this update from Hpq Silicon Inc
[{"type":"text","content":"HPQ’s Latest Pilot Test Delivers Higher-Purity, Higher-Quality Fumed Silica While Validating Semi-Continuous Reactor Operation\n\n\n\n MONTREAL, July 03, 2025 (GLOBE NEWSWIRE) --\n \n\n HPQ Silicon Inc.\n \n\n (“HPQ” or the “Company”) (TSX-V:\n \n HPQ\n \n , OTCQB:\n \n HPQFF\n \n , FRA:\n \n O08\n \n ), a technology company driving innovation in advanced materials and critical process development, is pleased to inform shareholders that it has received new results from a leading global fumed silica manufacturer (“LGFSM”) regarding the evaluation of materials produced during Phase 1 Test #5.\n \n\n\n Milestones: First Production of Material under Semi-Continuous Feedstock Feeding Protocol\n \n\n\n Technology supplier,\n \n\n PyroGenesis Inc.\n \n\n (TSX:\n \n PYR\n \n , OTCQX:\n \n PYRGF\n \n , FRA:\n \n 8PY1\n \n ) has informed the Company that, in addition to\n \n successfully replicating the production and collection\n \n of material in the dedicated product recovery unit (commonly referred to as the “baghouse”),\n \n HPQ Silica Polvere Inc.’s (HSPI)\n \n\n\n [1]\n \n\n\n proprietary Fumed Silica Reactor (FSR)\n \n\n pilot plant operated under a semi-continuous feeding approach during Phase 1 Test #5 — two key steps in advancing the FSR toward commercial validation.\n \n\n\n\n Significant Improvement Achieved in the Purity and Quality of Fumed Silica Produced\n \n\n\n Material analysis conducted by the Leading Global Fumed Silica Manufacturer (LGFSM) confirmed several notable improvements in the fumed silica produced during Phase 1 Test #5 compared to Test #4:\n \n\n\n\n Carbon-based impurities were reduced by 85%.\n \n\n\n\n Other impurities were significantly lowered\n \n , with reductions ranging from\n \n 50% to 86%\n \n .\n \n\n\n Material surface area increased by 57%\n \n , indicating a substantial enhancement in product performance characteristics.\n \n\n\n\n\n\n “Taken together, the results from Phase 1 tests 4 and 5, along with operational data from the three earlier tests,\n \n\n\n validate the successful 20-fold scale-up of the Fumed Silica Reactor—from lab to pilot scale, and from batch to semi-continuous production\n \n\n\n ,”\n \n said Bernard Tourillon, President and CEO of HPQ Silicon and HPQ Silica Polvere Inc. &...