工業副產石膏(gao)簡介(jie)

工(gong)(gong)業副產(chan)(chan)石(shi)(shi)膏(gao)是(shi)指在化工(gong)(gong)生(sheng)產(chan)(chan)過程中(zhong)所得的(de)以CaSO4·2H2O或CaSO4·H2O為主要成分的(de)副產(chan)(chan)品,稱為工(gong)(gong)業副產(chan)(chan)石(shi)(shi)膏(gao)。目前排放(fang)量(liang)較大的(de)有(you)脫(tuo)硫(liu)石(shi)(shi)膏(gao)、磷石(shi)(shi)膏(gao)、氟石(shi)(shi)膏(gao)、鹽石(shi)(shi)膏(gao)等。工(gong)(gong)業副產(chan)(chan)石(shi)(shi)膏(gao)含有(you)超過10%的(de)游離水。我公司(si)結合國(guo)內外化學石(shi)(shi)膏(gao)制備建筑石(shi)(shi)膏(gao)粉的(de)成功經驗，采用二步(bu)法生(sheng)產(chan)(chan)工(gong)(gong)藝制備建筑石(shi)(shi)膏(gao)粉。