工業(ye)副產石(shi)膏簡(jian)介

工(gong)(gong)業副(fu)產(chan)(chan)石(shi)(shi)膏(gao)是指在化工(gong)(gong)生產(chan)(chan)過程中所(suo)得的(de)(de)以CaSO4·2H2O或CaSO4·H2O為(wei)主(zhu)要成(cheng)分(fen)的(de)(de)副(fu)產(chan)(chan)品,稱為(wei)工(gong)(gong)業副(fu)產(chan)(chan)石(shi)(shi)膏(gao)。目前排放量(liang)較大的(de)(de)有(you)脫硫(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(fu)產(chan)(chan)石(shi)(shi)膏(gao)含(han)有(you)超過10%的(de)(de)游離水(shui)。我(wo)公司結(jie)合國(guo)內外化學(xue)石(shi)(shi)膏(gao)制備建(jian)筑(zhu)石(shi)(shi)膏(gao)粉(fen)的(de)(de)成(cheng)功經(jing)驗，采(cai)用(yong)二(er)步法生產(chan)(chan)工(gong)(gong)藝制備建(jian)筑(zhu)石(shi)(shi)膏(gao)粉(fen)。