Six, in phosphoric acid purification, help wet-process phosphoric acid process gypsum separation. 7, used for water in rivers of water works watertreatmentflocculant.
在磷酸提纯中， 有助于湿法磷酸工艺中石膏的分离。 7、用于以江河水源的自来水厂的水处理絮凝剂。
2
High polymer flocculant and ion exchange resin are widely applied to watertreatment.
高分子絮凝剂、离子交换树脂广泛用于水处理。
3
Polyferric chloride (PFC) is a kind of high-efficiency inorganic flocculant and has good prospect in watertreatment. But its stability is lower.