工業(ye)副產石膏簡介

工(gong)業(ye)副產(chan)(chan)石(shi)(shi)(shi)(shi)膏是指在化(hua)工(gong)生產(chan)(chan)過程中所得的(de)以CaSO4·2H2O或CaSO4·H2O為主要成(cheng)分的(de)副產(chan)(chan)品(pin),稱為工(gong)業(ye)副產(chan)(chan)石(shi)(shi)(shi)(shi)膏。目前排放量較大的(de)有脫硫石(shi)(shi)(shi)(shi)膏、磷石(shi)(shi)(shi)(shi)膏、氟石(shi)(shi)(shi)(shi)膏、鹽(yan)石(shi)(shi)(shi)(shi)膏等。工(gong)業(ye)副產(chan)(chan)石(shi)(shi)(shi)(shi)膏含有超過10%的(de)游離水。我(wo)公司(si)結合(he)國(guo)內(nei)外化(hua)學石(shi)(shi)(shi)(shi)膏制(zhi)備建(jian)筑石(shi)(shi)(shi)(shi)膏粉的(de)成(cheng)功經(jing)驗，采用二步法生產(chan)(chan)工(gong)藝(yi)制(zhi)備建(jian)筑石(shi)(shi)(shi)(shi)膏粉。