工业(ye)副(fu)产(chan)石膏简介

工(gong)业(ye)副(fu)产(chan)(chan)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)是指在化(hua)工(gong)生(sheng)产(chan)(chan)过(guo)程中所得的以CaSO4·2H2O或CaSO4·H2O为主要成(cheng)分的副(fu)产(chan)(chan)品,称为工(gong)业(ye)副(fu)产(chan)(chan)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)。目前排放(fang)量较大的有(you)脱硫石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、磷石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、氟石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、盐石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)等(deng)。工(gong)业(ye)副(fu)产(chan)(chan)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)含有(you)超过(guo)10%的游离水(shui)。我公司(si)结合国内外化(hua)学石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)制(zhi)备(bei)建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)粉(fen)的成(cheng)功经验，采(cai)用二步法生(sheng)产(chan)(chan)工(gong)艺制(zhi)备(bei)建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)粉(fen)。