工業副產石(shi)膏(gao)簡介

工(gong)業副(fu)(fu)產(chan)(chan)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)是(shi)指在化工(gong)生(sheng)(sheng)產(chan)(chan)過程中所得的以CaSO4·2H2O或CaSO4·H2O為主要(yao)成分的副(fu)(fu)產(chan)(chan)品,稱為工(gong)業副(fu)(fu)產(chan)(chan)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)。目前排放量較大(da)的有脫硫(liu)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、磷石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、氟石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、鹽石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)等(deng)。工(gong)業副(fu)(fu)產(chan)(chan)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)含有超(chao)過10%的游離(li)水。我公司(si)結合國內外化學石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)制備(bei)建筑石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)粉的成功經(jing)驗，采用二步法生(sheng)(sheng)產(chan)(chan)工(gong)藝制備(bei)建筑石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)粉。