而且铝盐絮凝剂和聚丙烯酰胺类高分子絮凝剂的使用会给人体健康带来潜在危害。
Moreover, the use of aluminum salt and polyacrylamide flocculant would lead to latent threat to people's health.
阳离子及两性聚丙烯酰胺类絮凝剂具有很多优点，近年来得到国内外学者的广泛重视和开发应用。
Cation and amphoteric polyacrylamide coagulants have been receiving increased attention of both domestic and foreign researchers because of the many advantages they offer.
建议采用聚丙烯酰胺类絮凝剂与铝类混凝剂联合处理的方法来降低铝的用量，以提高混凝污泥后续处理的效率。
The results show that combined coagulated sludge by polyaluminium chloride plus polyacrylamide has better digestibility than excess sludge or primary sludge coagulated only by polyaluminium chloride.
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