聚合氯化铝复合羧甲基淀粉絮凝剂的制备及絮凝性能  

Preparation of carboxymethyl starchy composite flocculant and its behavior for wastewater containing high concentration organic compounds

作　　者：何玉凤[1] 何文娟[1] 刘世磊[1] 王燕[1] 王荣民[1] 黄一君[1] 王莹[1] 

机构地区：[1]生态环境相关高分子材料教育部重点实验室,甘肃省高分子材料重点实验室,西北师范大学化学化工学院,兰州730070

出　　处：《化工新型材料》2014年第1期104-106,共3页New Chemical Materials

基　　金：国家自然科学基金(21263024;20364012);甘肃省高等学校研究生导师科研项目(1201-15)

摘　　要：以氯化铝和马铃薯淀粉为原料,制备了聚合氯化铝复合羧甲基淀粉(PAC-CMPS)絮凝剂,通过FT-IR、TG、SEM等对其结构和表观形貌进行了表征。考察了絮凝时间、废水pH、絮凝剂加入量等因素对PAC-CMPS絮凝性能的影响,最佳实验条件下COD去除率可达到87.8%。The aluminium polychloride-carboxymethyl potato starch （PAC-CMPS） composite flocculant was pre- pared using aluminium chloride and carboxymethyl starch. The structure and apparent morphology of PAC-CMPS were characterized by FT-IR, TG and SEM. Its flocculation performance for treatment of wastewater was studied, and influence of flocculation time, pH value and dosage on the removal rate of chemical oxygen demand （COD） were investigated. The results showed that the removal rate of COD reached to 87.8%.

关 键 词：聚合氯化铝 复合絮凝剂 淀粉废水 COD去除率 

分 类 号：X703.5[环境科学与工程—环境工程]