工业副产石膏简介(jie)

工(gong)业(ye)副产(chan)(chan)(chan)石(shi)(shi)(shi)膏是指在化(hua)工(gong)生产(chan)(chan)(chan)过程中所(suo)得(de)的以CaSO4·2H2O或CaSO4·H2O为主要成(cheng)分的副产(chan)(chan)(chan)品,称为工(gong)业(ye)副产(chan)(chan)(chan)石(shi)(shi)(shi)膏。目前排放量较大的有脱(tuo)硫石(shi)(shi)(shi)膏、磷石(shi)(shi)(shi)膏、氟石(shi)(shi)(shi)膏、盐石(shi)(shi)(shi)膏等。工(gong)业(ye)副产(chan)(chan)(chan)石(shi)(shi)(shi)膏含有超过10%的游离水。我公司结合国(guo)内外化(hua)学石(shi)(shi)(shi)膏制备建筑石(shi)(shi)(shi)膏粉的成(cheng)功经验，采用二(er)步法(fa)生产(chan)(chan)(chan)工(gong)艺(yi)制备建筑石(shi)(shi)(shi)膏粉。