工(gong)業副產石膏簡介

工(gong)業副(fu)(fu)產石(shi)(shi)(shi)膏(gao)是(shi)指(zhi)在化(hua)工(gong)生產過程(cheng)中所得的(de)以(yi)CaSO4·2H2O或CaSO4·H2O為(wei)主要(yao)成(cheng)分的(de)副(fu)(fu)產品,稱為(wei)工(gong)業副(fu)(fu)產石(shi)(shi)(shi)膏(gao)。目前排(pai)放量(liang)較大(da)的(de)有脫硫(liu)石(shi)(shi)(shi)膏(gao)、磷石(shi)(shi)(shi)膏(gao)、氟石(shi)(shi)(shi)膏(gao)、鹽(yan)石(shi)(shi)(shi)膏(gao)等。工(gong)業副(fu)(fu)產石(shi)(shi)(shi)膏(gao)含有超過10%的(de)游離水。我公司(si)結合(he)國內外(wai)化(hua)學石(shi)(shi)(shi)膏(gao)制備建(jian)筑石(shi)(shi)(shi)膏(gao)粉的(de)成(cheng)功經驗，采用二步(bu)法生產工(gong)藝制備建(jian)筑石(shi)(shi)(shi)膏(gao)粉。