工業副產石(shi)膏簡介

工(gong)(gong)業(ye)(ye)副(fu)產(chan)(chan)石(shi)(shi)(shi)膏是指(zhi)在化(hua)工(gong)(gong)生產(chan)(chan)過程中所得的(de)(de)以CaSO4·2H2O或CaSO4·H2O為主要成分的(de)(de)副(fu)產(chan)(chan)品(pin),稱為工(gong)(gong)業(ye)(ye)副(fu)產(chan)(chan)石(shi)(shi)(shi)膏。目前排放量較大的(de)(de)有脫硫石(shi)(shi)(shi)膏、磷石(shi)(shi)(shi)膏、氟(fu)石(shi)(shi)(shi)膏、鹽石(shi)(shi)(shi)膏等。工(gong)(gong)業(ye)(ye)副(fu)產(chan)(chan)石(shi)(shi)(shi)膏含有超過10%的(de)(de)游離水。我公司結合(he)國(guo)內(nei)外化(hua)學石(shi)(shi)(shi)膏制備建筑石(shi)(shi)(shi)膏粉(fen)的(de)(de)成功經(jing)驗(yan)，采用二步法生產(chan)(chan)工(gong)(gong)藝制備建筑石(shi)(shi)(shi)膏粉(fen)。