工業副產石(shi)膏簡介

工(gong)業(ye)副產(chan)(chan)(chan)石(shi)(shi)(shi)膏(gao)(gao)(gao)是指在(zai)化(hua)工(gong)生產(chan)(chan)(chan)過(guo)程中所(suo)得的以CaSO4·2H2O或CaSO4·H2O為主(zhu)要成(cheng)分(fen)的副產(chan)(chan)(chan)品,稱(cheng)為工(gong)業(ye)副產(chan)(chan)(chan)石(shi)(shi)(shi)膏(gao)(gao)(gao)。目前排放量(liang)較大的有脫(tuo)硫石(shi)(shi)(shi)膏(gao)(gao)(gao)、磷石(shi)(shi)(shi)膏(gao)(gao)(gao)、氟石(shi)(shi)(shi)膏(gao)(gao)(gao)、鹽石(shi)(shi)(shi)膏(gao)(gao)(gao)等(deng)。工(gong)業(ye)副產(chan)(chan)(chan)石(shi)(shi)(shi)膏(gao)(gao)(gao)含有超(chao)過(guo)10%的游離水。我(wo)公司結合國內外化(hua)學石(shi)(shi)(shi)膏(gao)(gao)(gao)制備(bei)建(jian)(jian)筑石(shi)(shi)(shi)膏(gao)(gao)(gao)粉的成(cheng)功(gong)經驗，采用二步法生產(chan)(chan)(chan)工(gong)藝制備(bei)建(jian)(jian)筑石(shi)(shi)(shi)膏(gao)(gao)(gao)粉。