工業(ye)副產石膏簡(jian)介

工(gong)(gong)業(ye)副(fu)產(chan)(chan)石(shi)(shi)膏(gao)是指在(zai)化工(gong)(gong)生(sheng)產(chan)(chan)過程中所得的(de)以CaSO4·2H2O或(huo)CaSO4·H2O為(wei)主要成分的(de)副(fu)產(chan)(chan)品,稱為(wei)工(gong)(gong)業(ye)副(fu)產(chan)(chan)石(shi)(shi)膏(gao)。目(mu)前排放量較大的(de)有脫硫石(shi)(shi)膏(gao)、磷(lin)石(shi)(shi)膏(gao)、氟石(shi)(shi)膏(gao)、鹽(yan)石(shi)(shi)膏(gao)等。工(gong)(gong)業(ye)副(fu)產(chan)(chan)石(shi)(shi)膏(gao)含有超過10%的(de)游離水。我公司結合國內外(wai)化學石(shi)(shi)膏(gao)制備(bei)建(jian)(jian)筑石(shi)(shi)膏(gao)粉的(de)成功經驗，采用二步法(fa)生(sheng)產(chan)(chan)工(gong)(gong)藝(yi)制備(bei)建(jian)(jian)筑石(shi)(shi)膏(gao)粉。