1.The flocculant SPAN is the graft copolymer of different grafing percent of starch-polyacrylamide.

1.絮凝剂（SPAN）是不同接枝率演粉与聚丙烯接枝共聚物。

2.The article introduces the determination and computing method of basicity of the polysalt like polymeric aluminum ferric-calcium magnesium salt flocculants.

2.本文介绍了多元盐如复合铝铁镁盐絮凝剂盐基度测试及其计算方法。

3.An experiment on removing suspended solid(SS)from carclazyte catalyst production wastewater was carried out using 4 inorganic flocculants and 3 organic flocculants.

3.用4絮凝剂和3有絮凝剂进行了脱除全白土催化剂生产废水(简称废水)中固体悬浮物(SS)实验研究。