工業(ye)副產石膏簡介

工(gong)業副產石(shi)(shi)(shi)膏(gao)(gao)是(shi)指在化工(gong)生產過(guo)程中所(suo)得的(de)以CaSO4·2H2O或CaSO4·H2O為主(zhu)要成分的(de)副產品(pin),稱為工(gong)業副產石(shi)(shi)(shi)膏(gao)(gao)。目前(qian)排(pai)放(fang)量(liang)較大的(de)有(you)脫硫石(shi)(shi)(shi)膏(gao)(gao)、磷(lin)石(shi)(shi)(shi)膏(gao)(gao)、氟(fu)石(shi)(shi)(shi)膏(gao)(gao)、鹽石(shi)(shi)(shi)膏(gao)(gao)等(deng)。工(gong)業副產石(shi)(shi)(shi)膏(gao)(gao)含(han)有(you)超過(guo)10%的(de)游離水。我公司結合國內外化學石(shi)(shi)(shi)膏(gao)(gao)制備建(jian)筑石(shi)(shi)(shi)膏(gao)(gao)粉的(de)成功經驗，采用二步法生產工(gong)藝制備建(jian)筑石(shi)(shi)(shi)膏(gao)(gao)粉。