安徽农业科学2012，Vol.40Issue(15)：8673-8676,4.
Fe/Zn双金属对地下水中PCBs的还原脱氯研究
Study on Reductive Dechlorination of PCBs in Groundwater by Fe/Zn Bimetal
摘要
Abstract
[ Objective] The research aimed to study reductive dechlorination effect of PCBs in groundwater by Fe/Zn bimetal. [ Method] Fe/ Zn bimetal as reduction system, PCBs degradation ratio as inspected index .degradation effect of PCBs by Fe/Zn bimetallic system when adding self-made hydroxypropyl-β-cyclodextrin (HP-β-CD) was studied. Meanwhile,we investigated the influences of loading ratio and Fe-Zn dosage on the dechlorination of PCBs. [ Result] PCBs was significantly solubilized by the synthesized HP-3-CD. With increase of the HP-β-CD concentration, the apparent solubility of PCBs increased linearly,forming 1:1 inclusion complex. When Fe-Zn dosage was 10 g.and mass fraction of Zn was 7% ,the dechilorination efficiency of PCBs with 321 μg/L was 47,6% after degrading for 7 d at 10 ℃, [Conclusion] The research provided theoretical guiding for in situ remediation of the groundwater contaminated by PCBs.关键词
羟丙基-β-环糊精/脱氯/多氯联苯/Fe/Zn双金属Key words
HP-?CD/ Dechlorination/ PCBs/ Fe/Zn bimetal分类
农业科技引用本文复制引用
刘园园,张兰英,邱明英,任何军,杜军..Fe/Zn双金属对地下水中PCBs的还原脱氯研究[J].安徽农业科学,2012,40(15):8673-8676,4.基金项目
国家自然科学基金项目(50879029/E090301) （50879029/E090301）
吉林省科技厅项目(20090415). （20090415）
