工業副(fu)產石膏簡(jian)介

工(gong)(gong)業(ye)副產(chan)(chan)(chan)石(shi)膏是指在化工(gong)(gong)生(sheng)產(chan)(chan)(chan)過程中所得(de)的(de)以(yi)CaSO4·2H2O或CaSO4·H2O為(wei)主要成(cheng)(cheng)分的(de)副產(chan)(chan)(chan)品(pin),稱為(wei)工(gong)(gong)業(ye)副產(chan)(chan)(chan)石(shi)膏。目(mu)前排放量較大的(de)有脫硫石(shi)膏、磷(lin)石(shi)膏、氟石(shi)膏、鹽石(shi)膏等。工(gong)(gong)業(ye)副產(chan)(chan)(chan)石(shi)膏含有超(chao)過10%的(de)游(you)離水。我公司結合國(guo)內外化學石(shi)膏制備建筑石(shi)膏粉的(de)成(cheng)(cheng)功經驗，采用二步(bu)法生(sheng)產(chan)(chan)(chan)工(gong)(gong)藝制備建筑石(shi)膏粉。