Commercially, silicon is purified by heating sand and carbon in An electrical furnace. A molten salt electrolysis system is used to obtain ultrapure silicon. Elemental silicon is manufactured commercially with the reduction of silica (SiO2) with coke in an electric furnace, as well as impure product or service is then https://martinoomkj.ageeksblog.com/35290869/rumored-buzz-on-chromium-carbide-overlay