導語： 絮凝劑主(zhu)要(yao)應(ying)用(yong)于工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)上的(de)固液(ye)分離過程，包(bao)括沉降、澄清(qing)、濃縮及(ji)污泥脫水等工(gong)(gong)(gong)(gong)藝，應(ying)用(yong)的(de)主(zhu)要(yao)行業(ye)(ye)(ye)有：城市污水處(chu)理、造(zao)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)、冶金工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、選礦工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)、染色工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)和制糖工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)及(ji)各(ge)種工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)的(de)廢水處(chu)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