Keywords Chitosan;2;3-epoxypropyltrimethylammonium chloride;quaternary ammon ium salt of chitosan;flocculant;oilfield produced wastewater treatment;

• 壳聚糖;2;3-环氧丙基三甲基氯化铵;壳聚糖季铵盐;絮凝剂;油田污水处理;