β-环糊精交联聚合物处理氯苯微污染水的实验研究  

Research on β-Cyclodextrin Cross-Linked Polymers Rremoving Chlorobenzene and Nitrobenzene in Micro-Polluted Water

作　　者：凡冬艳[1] 齐笑言[1] 李萌[1] 邹东雷[1] 

机构地区：[1]吉林大学环境与资源学院,吉林长春130026

出　　处：《环境科学与技术》2010年第S2期258-260,共3页Environmental Science & Technology

基　　金：国家"863"重大项目资助(2008AA06A410);教育部和国土资源部共建的地下水资源与环境重点实验室资助

摘　　要：以环氧氯丙烷为交联剂,合成了不溶于水的β-环糊精交联聚合物,用于去除微污染水中的氯苯。通过静态实验考察了时间、pH值和温度对β-环糊精交联聚合物去除氯苯的影响,通过动态实验模拟了连续进水条件下对氯苯去除情况。结果表明:β-环糊精经过交联聚合后仍然保留着具有包合能力的空腔,β-环糊精交联聚合物10min时对氯苯微污染水的去除率达到65.8%,90min后去除率保持在82%以上,偏中性条件下去除率较高,25℃时氯苯与β-环糊精形成的包合物最稳定;动态模拟中,控制水力停留时间为60min时,氯苯(10mg/L)的去除率都大于70%。With epichlorohydrin as crosslinker,water-insoluble β-cyclodextrin cross-linked polymers(β-CDP),used to remove Chlorobenzene in micro-polluted water,were synthesized.The effects of reaction time,pH value and temperature on Chlorobenzene removal rate were evaluated by static experiment,and the removal rate of Chlorobenzene under continuous flow conditions was simulated by dynamic experiment.β-CDP adsorb Chlorobenzene can reach a higher removal rate:10min 65.8%,82% after 90 min.The removal is better in the neutral conditions and the inclusion compound formed by Chlorobenzene and β-CD is the most stable at 25℃.In dynamic simulation,the removal rate of pollutants is more than 70% when the hydraulic retention time was 60min.

关 键 词：Β-环糊精交联聚合物 氯苯 硝基苯 吸附 

分 类 号：X703[环境科学与工程—环境工程]