工业(ye)副(fu)产石(shi)膏简(jian)介

工(gong)(gong)(gong)业(ye)副(fu)(fu)产(chan)石(shi)(shi)(shi)膏(gao)是(shi)指在(zai)化工(gong)(gong)(gong)生产(chan)过程中所得(de)的(de)(de)以CaSO4·2H2O或CaSO4·H2O为主要(yao)成分(fen)的(de)(de)副(fu)(fu)产(chan)品,称为工(gong)(gong)(gong)业(ye)副(fu)(fu)产(chan)石(shi)(shi)(shi)膏(gao)。目(mu)前排放量较大(da)的(de)(de)有(you)脱硫石(shi)(shi)(shi)膏(gao)、磷石(shi)(shi)(shi)膏(gao)、氟(fu)石(shi)(shi)(shi)膏(gao)、盐石(shi)(shi)(shi)膏(gao)等。工(gong)(gong)(gong)业(ye)副(fu)(fu)产(chan)石(shi)(shi)(shi)膏(gao)含有(you)超过10%的(de)(de)游离水。我公司结(jie)合国(guo)内外化学(xue)石(shi)(shi)(shi)膏(gao)制备(bei)建筑石(shi)(shi)(shi)膏(gao)粉的(de)(de)成功经验，采(cai)用(yong)二(er)步法生产(chan)工(gong)(gong)(gong)艺制备(bei)建筑石(shi)(shi)(shi)膏(gao)粉。