工業副(fu)產(chan)石(shi)膏簡(jian)介

工(gong)(gong)(gong)業副(fu)產石(shi)(shi)(shi)膏(gao)(gao)(gao)是指在化工(gong)(gong)(gong)生產過(guo)程中所(suo)得的以CaSO4·2H2O或(huo)CaSO4·H2O為主要成分的副(fu)產品,稱為工(gong)(gong)(gong)業副(fu)產石(shi)(shi)(shi)膏(gao)(gao)(gao)。目前排放量較大(da)的有脫硫(liu)石(shi)(shi)(shi)膏(gao)(gao)(gao)、磷(lin)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。工(gong)(gong)(gong)業副(fu)產石(shi)(shi)(shi)膏(gao)(gao)(gao)含有超過(guo)10%的游離水。我公(gong)司結合國內外化學石(shi)(shi)(shi)膏(gao)(gao)(gao)制備建筑石(shi)(shi)(shi)膏(gao)(gao)(gao)粉(fen)的成功經驗，采(cai)用二步法生產工(gong)(gong)(gong)藝制備建筑石(shi)(shi)(shi)膏(gao)(gao)(gao)粉(fen)。