壳聚糖改性粘土对水华优势藻铜绿微囊藻的絮凝去除.PDFVIP

See discussions, stats, and author profiles for this publication at: /publication/7974320 Flocculation and removal of water bloom cells Microcystis aeruginosa by Chitosan-Modified Clays Article in Huan ing ke xue= Huan ing kexue / [bian i, Zhongguo ke xue yuan huan ing ke xue wei yuan hui Huan ing ke xue bian i wei yuan hui.] · November 2004 Source: PubMed CITATIONS READS 9 123 3 authors, including: Hua Zou Gang Pan Chinese Center For Disease Control And Prev… Nottingham Trent University 135 PUBLICATIONS 1,27 CITATIONS 231 PUBLICATIONS 3,132 CITATIONS SEE PROFILE SEE PROFILE Some of the authors of this publication are also working on these related projects: Surface nanobubbles and its potential to remediate anixia in sediment View pro ect Adsorption and decomposition of persistant toxic substances (PFOS/PFOA) View pro ect All content following this page was uploaded by Gang Pan on 02 September 2017. The user has requested enhancement of the downloaded file. 维普资讯 第 25卷第6期 环 境 科 学 VO1．25．NO．6 2004年 11月 ENVIRONMENTAL SCIENCE NOV．，2004 壳聚糖改性粘土对水华优势藻铜绿微囊藻的絮凝去除 邹华 ，潘纲 ，陈灏 (中国科学院生态环境研究中心环境水质学国家重点实验室 ，北京 100085) 摘要：研究了壳聚糖改性对粘土絮凝去除铜绿微囊藻的影响．经壳聚糖包覆改性后的海泡石在投加总量仅为 11mg／L时， 0．5h即可去除80％的藻细胞，2h去除率达到90％．不同粘土改性后絮凝除藻能力均有大幅度提高，原来除藻能力相去甚远的 不 同粘土 ，包括一般的黄土 ，改性后除藻能力被提升到相近的水平 ，投加量 llmg／L，可去除铜绿微囊藻 9O％以上 ．改性粘土 和一般絮凝剂一样有一最佳投加量(本研究为 11mg／L)，低于或超过此最佳值 ，絮凝除藻效果均下降． 关键词 ：水华；铜绿微囊藻；壳聚糖 ；粘土 ；絮凝 中图分类号 ：X522：X524 文献标识码 ：A 文章编号 ：0250—3301(2004)06—0040—04 Flocculat