工業副產石(shi)膏簡(jian)介

工(gong)業副產(chan)(chan)(chan)石(shi)(shi)(shi)膏(gao)是指在化工(gong)生(sheng)產(chan)(chan)(chan)過(guo)程中(zhong)所得(de)的(de)(de)以CaSO4·2H2O或CaSO4·H2O為主要成(cheng)分的(de)(de)副產(chan)(chan)(chan)品,稱為工(gong)業副產(chan)(chan)(chan)石(shi)(shi)(shi)膏(gao)。目(mu)前(qian)排(pai)放量較大(da)的(de)(de)有(you)脫硫(liu)石(shi)(shi)(shi)膏(gao)、磷(lin)石(shi)(shi)(shi)膏(gao)、氟石(shi)(shi)(shi)膏(gao)、鹽石(shi)(shi)(shi)膏(gao)等(deng)。工(gong)業副產(chan)(chan)(chan)石(shi)(shi)(shi)膏(gao)含有(you)超過(guo)10%的(de)(de)游離(li)水。我公司結合(he)國內外化學石(shi)(shi)(shi)膏(gao)制(zhi)備建(jian)筑石(shi)(shi)(shi)膏(gao)粉的(de)(de)成(cheng)功經(jing)驗，采用二步法生(sheng)產(chan)(chan)(chan)工(gong)藝(yi)制(zhi)備建(jian)筑石(shi)(shi)(shi)膏(gao)粉。