A cationic polymeric flocculant was chosen because its hydrolysate with positive ammonium group enhanced the adsorption of residual COD and improved the flocculation efficiency.
选择阳离子高分子絮凝剂，由于其水解产物带有正电荷铵盐基团，加强了残存COD的吸附，完善了絮凝分离过程。
Flocculation and high efficient adsorption with modified fly ash was used for treating detergent wastewater.
利用改性粉煤灰絮凝、高效吸附作用处理洗涤剂废水。
The results demonstrate that the distributions and transport of metal elements of SPM in the estuarine area are mainly flocculation, adsorption, desorption and precipitation, etc.
悬浮物中各种金属元素在河口的分布和迁移过程主要有絮凝、吸附、解吸和沉淀等。
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