工業副(fu)產(chan)石膏簡介(jie)

工(gong)(gong)業(ye)副(fu)產(chan)石(shi)(shi)(shi)膏是指在(zai)化工(gong)(gong)生(sheng)產(chan)過(guo)程中所(suo)得的(de)以(yi)CaSO4·2H2O或CaSO4·H2O為(wei)主要(yao)成分的(de)副(fu)產(chan)品,稱為(wei)工(gong)(gong)業(ye)副(fu)產(chan)石(shi)(shi)(shi)膏。目前(qian)排放量較大的(de)有脫硫石(shi)(shi)(shi)膏、磷石(shi)(shi)(shi)膏、氟石(shi)(shi)(shi)膏、鹽石(shi)(shi)(shi)膏等(deng)。工(gong)(gong)業(ye)副(fu)產(chan)石(shi)(shi)(shi)膏含有超過(guo)10%的(de)游離水。我(wo)公司(si)結合國內外化學石(shi)(shi)(shi)膏制備(bei)建筑石(shi)(shi)(shi)膏粉的(de)成功經驗(yan)，采用二步法生(sheng)產(chan)工(gong)(gong)藝制備(bei)建筑石(shi)(shi)(shi)膏粉。