I-Ferrosilicon luhlobo lwe-ferroalloy oluqulunqwa kuveliswa ngokunciphisa i-silica okanye isanti nge-coke phambi kwentsimbi.Imithombo eqhelekileyo yentsimbi zintsimbi ezilahliweyo okanye i-millscale.IiFerrosilicons ezinomxholo we-silicon ukuya kuthi ga kwi-15% zenziwe kwiziko eliqhumayo elifakwe ngezitena zomlilo we-asidi.