導語： 絮凝劑主要應(ying)用(yong)(yong)于工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)上的(de)(de)固液分離過程，包(bao)括(kuo)沉降(jiang)、澄清、濃縮及污(wu)泥(ni)脫水等(deng)工(gong)(gong)(gong)(gong)藝，應(ying)用(yong)(yong)的(de)(de)主要行業(ye)(ye)(ye)有(you)：城(cheng)市(shi)污(wu)水處理、造紙工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、食品加工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、石化工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、冶金(jin)工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、選(xuan)礦工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、染色工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)和(he)制糖工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)及各種工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)的(de)(de)廢水處理。

絮凝劑的分類：絮凝劑按照其化學成分總體可分為無機絮凝劑和有機絮凝劑兩類。

絮凝機理及絮凝劑發展：在生活污水和各種工業廢水中, 根據分散在液相中的固體顆粒的粒度大小, 可將固液分散體系分為膠體和懸浮液兩大類。

水處理中常用的絮凝劑：常見的有：無機混凝劑;1.低分子無機混凝劑2.無機高分子絮凝劑;有機高分子混凝劑;復合型混凝劑;微生物混凝劑