工業(ye)副(fu)產(chan)石膏簡介

工(gong)(gong)業(ye)副(fu)(fu)產石(shi)膏(gao)(gao)(gao)是指在(zai)化工(gong)(gong)生產過(guo)程中所得(de)的以(yi)CaSO4·2H2O或(huo)CaSO4·H2O為主要成(cheng)分的副(fu)(fu)產品(pin),稱(cheng)為工(gong)(gong)業(ye)副(fu)(fu)產石(shi)膏(gao)(gao)(gao)。目前排放量(liang)較大(da)的有脫(tuo)硫石(shi)膏(gao)(gao)(gao)、磷石(shi)膏(gao)(gao)(gao)、氟石(shi)膏(gao)(gao)(gao)、鹽石(shi)膏(gao)(gao)(gao)等。工(gong)(gong)業(ye)副(fu)(fu)產石(shi)膏(gao)(gao)(gao)含(han)有超過(guo)10%的游離水。我公司結合國內外(wai)化學石(shi)膏(gao)(gao)(gao)制備建(jian)(jian)筑(zhu)石(shi)膏(gao)(gao)(gao)粉的成(cheng)功經(jing)驗(yan)，采用二(er)步法生產工(gong)(gong)藝制備建(jian)(jian)筑(zhu)石(shi)膏(gao)(gao)(gao)粉。