工(gong)業副產石膏簡介

工(gong)業副(fu)產石(shi)膏(gao)(gao)(gao)(gao)是指(zhi)在化(hua)工(gong)生產過程中(zhong)所得的以CaSO4·2H2O或CaSO4·H2O為主要成分(fen)的副(fu)產品,稱(cheng)為工(gong)業副(fu)產石(shi)膏(gao)(gao)(gao)(gao)。目(mu)前(qian)排放(fang)量較大(da)的有脫硫石(shi)膏(gao)(gao)(gao)(gao)、磷石(shi)膏(gao)(gao)(gao)(gao)、氟石(shi)膏(gao)(gao)(gao)(gao)、鹽(yan)石(shi)膏(gao)(gao)(gao)(gao)等。工(gong)業副(fu)產石(shi)膏(gao)(gao)(gao)(gao)含有超過10%的游離水。我公司結合國內外化(hua)學石(shi)膏(gao)(gao)(gao)(gao)制備建(jian)筑石(shi)膏(gao)(gao)(gao)(gao)粉的成功經(jing)驗，采用二步法生產工(gong)藝(yi)制備建(jian)筑石(shi)膏(gao)(gao)(gao)(gao)粉。