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  • ISSN 1006-3080
  • CN 31-1691/TQ

活性污泥耐盐降解邻氯苯酚特性及群落结构分析

吴志明 孙志远 李辉 刘勇弟

吴志明, 孙志远, 李辉, 刘勇弟. 活性污泥耐盐降解邻氯苯酚特性及群落结构分析[J]. 华东理工大学学报(自然科学版), 2016, (2): 200-209. doi: 10.14135/j.cnki.1006-3080.2016.02.008
引用本文: 吴志明, 孙志远, 李辉, 刘勇弟. 活性污泥耐盐降解邻氯苯酚特性及群落结构分析[J]. 华东理工大学学报(自然科学版), 2016, (2): 200-209. doi: 10.14135/j.cnki.1006-3080.2016.02.008
WU Zhi-ming, SUN Zhi-yuan, LI Hui, LIU Yong-di. Aerobic Activated Sludge Treatment of High-Salinity Chlorophenolic Wastewater and Community Structure Analysis[J]. Journal of East China University of Science and Technology, 2016, (2): 200-209. doi: 10.14135/j.cnki.1006-3080.2016.02.008
Citation: WU Zhi-ming, SUN Zhi-yuan, LI Hui, LIU Yong-di. Aerobic Activated Sludge Treatment of High-Salinity Chlorophenolic Wastewater and Community Structure Analysis[J]. Journal of East China University of Science and Technology, 2016, (2): 200-209. doi: 10.14135/j.cnki.1006-3080.2016.02.008

活性污泥耐盐降解邻氯苯酚特性及群落结构分析

doi: 10.14135/j.cnki.1006-3080.2016.02.008
基金项目: 

国家自然科学基金(51378208,41273109,41003031)

中央高校基本科研业务费(222201313008,WB1314002)

详细信息
  • 中图分类号: X522

Aerobic Activated Sludge Treatment of High-Salinity Chlorophenolic Wastewater and Community Structure Analysis

  • 摘要: 采用SBR反应器驯化中度嗜盐菌为主的活性污泥,高效处理高盐邻氯苯酚(2-CP)废水。不同盐度的驯化结果表明,当NaCl质量浓度为10~80g/L时,2-CP和COD的去除率均达到91%。当NaCl质量浓度为80g/L,2-CP质量浓度在1000mg/L以上时,去除率可以维持在98%,反应器达到最佳处理效果。在此条件下,活性污泥胞外聚合物(EPS)的含量最高达到142.6mg/g。随着盐度升高,EPS中的多糖含量也随之增加。采用显微镜和扫描电镜(SEM)观察,发现在高盐条件下,活性污泥中大部分微生物呈现球状,且菌群有自发聚集的趋势。16SrRNA基因文库分析表明,产碱杆菌是污泥中的优势菌群,它属于变形菌门。PCR扩增和测序分析2-CP降解途径的关键酶基因,发现羟化酶、氯代邻苯二酚1,2-双加氧酶和氯代邻苯二酚2,3-双加氧酶同时存在于活性污泥系统中,表明该活性污泥可能具有多样的2-CP降解途径。

     

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出版历程
  • 收稿日期:  2015-05-27
  • 刊出日期:  2016-04-29

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