工(gong)業(ye)副產石(shi)膏簡介

工(gong)業副(fu)產(chan)(chan)(chan)石(shi)膏(gao)(gao)是指(zhi)在化(hua)工(gong)生產(chan)(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)(chan)品,稱為工(gong)業副(fu)產(chan)(chan)(chan)石(shi)膏(gao)(gao)。目前排(pai)放量較大(da)的有(you)脫硫石(shi)膏(gao)(gao)、磷石(shi)膏(gao)(gao)、氟石(shi)膏(gao)(gao)、鹽石(shi)膏(gao)(gao)等。工(gong)業副(fu)產(chan)(chan)(chan)石(shi)膏(gao)(gao)含有(you)超(chao)過10%的游(you)離(li)水。我(wo)公(gong)司結(jie)合國內外(wai)化(hua)學石(shi)膏(gao)(gao)制備建筑石(shi)膏(gao)(gao)粉的成(cheng)功經驗，采用二步(bu)法生產(chan)(chan)(chan)工(gong)藝制備建筑石(shi)膏(gao)(gao)粉。