工(gong)業副產石膏簡介

工(gong)(gong)(gong)業副(fu)產石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)是(shi)指(zhi)在化(hua)工(gong)(gong)(gong)生(sheng)(sheng)產過(guo)程(cheng)中所得的以CaSO4·2H2O或CaSO4·H2O為主(zhu)要成分(fen)的副(fu)產品(pin),稱(cheng)為工(gong)(gong)(gong)業副(fu)產石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)。目前排放量較大的有(you)(you)脫(tuo)硫石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、磷石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、氟(fu)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、鹽(yan)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)等。工(gong)(gong)(gong)業副(fu)產石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)含有(you)(you)超過(guo)10%的游離水。我公司結合國內(nei)外化(hua)學(xue)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)制備(bei)建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)粉(fen)的成功經驗(yan)，采用二步(bu)法生(sheng)(sheng)產工(gong)(gong)(gong)藝制備(bei)建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)粉(fen)。