工業副產石(shi)膏簡(jian)介

工(gong)(gong)業(ye)副(fu)產(chan)(chan)石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)是指在(zai)化工(gong)(gong)生產(chan)(chan)過程中所得的以CaSO4·2H2O或CaSO4·H2O為主要成(cheng)分的副(fu)產(chan)(chan)品,稱為工(gong)(gong)業(ye)副(fu)產(chan)(chan)石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)。目前排放量(liang)較大的有脫硫石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、磷(lin)石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、氟石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、鹽石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)等(deng)。工(gong)(gong)業(ye)副(fu)產(chan)(chan)石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)含有超過10%的游離水。我公司(si)結(jie)合國內(nei)外化學石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)制備建筑石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)粉(fen)的成(cheng)功經驗，采用二步法(fa)生產(chan)(chan)工(gong)(gong)藝制備建筑石(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)粉(fen)。