工業(ye)副產石膏簡介(jie)

工(gong)(gong)業(ye)(ye)副(fu)產(chan)石(shi)膏(gao)(gao)是指在化工(gong)(gong)生產(chan)過程中(zhong)所得(de)的以CaSO4·2H2O或CaSO4·H2O為(wei)主要成(cheng)分(fen)的副(fu)產(chan)品(pin),稱為(wei)工(gong)(gong)業(ye)(ye)副(fu)產(chan)石(shi)膏(gao)(gao)。目前(qian)排(pai)放(fang)量較大的有脫硫石(shi)膏(gao)(gao)、磷石(shi)膏(gao)(gao)、氟石(shi)膏(gao)(gao)、鹽(yan)石(shi)膏(gao)(gao)等。工(gong)(gong)業(ye)(ye)副(fu)產(chan)石(shi)膏(gao)(gao)含有超過10%的游離水。我公司(si)結合國內外化學石(shi)膏(gao)(gao)制備建筑石(shi)膏(gao)(gao)粉的成(cheng)功經驗，采(cai)用(yong)二步法生產(chan)工(gong)(gong)藝制備建筑石(shi)膏(gao)(gao)粉。