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膜生物反应器-超低压纳滤组合工艺处理城镇污水

张恒亮 段亮 姚美辰 魏健 黄宇华

张恒亮, 段亮, 姚美辰, 魏健, 黄宇华. 膜生物反应器-超低压纳滤组合工艺处理城镇污水[J]. 环境工程技术学报, 2019, 9(1): 21-27. doi: 10.3969/j.issn.1674-991X.2019.01.004
引用本文: 张恒亮, 段亮, 姚美辰, 魏健, 黄宇华. 膜生物反应器-超低压纳滤组合工艺处理城镇污水[J]. 环境工程技术学报, 2019, 9(1): 21-27. doi: 10.3969/j.issn.1674-991X.2019.01.004
ZHANG Hengliang, DUAN Liang, YAO Meicheng, WEI Jian, HUANG Yuhua. Study on membrane bioreactor-ultra low-pressure selective nanofiltration for municipal wastewater treatment[J]. Journal of Environmental Engineering Technology, 2019, 9(1): 21-27. doi: 10.3969/j.issn.1674-991X.2019.01.004
Citation: ZHANG Hengliang, DUAN Liang, YAO Meicheng, WEI Jian, HUANG Yuhua. Study on membrane bioreactor-ultra low-pressure selective nanofiltration for municipal wastewater treatment[J]. Journal of Environmental Engineering Technology, 2019, 9(1): 21-27. doi: 10.3969/j.issn.1674-991X.2019.01.004

膜生物反应器-超低压纳滤组合工艺处理城镇污水

doi: 10.3969/j.issn.1674-991X.2019.01.004
详细信息
    作者简介:

    张恒亮(1990—),男,博士研究生,主要从事水处理技术研究, 1079092104@qq.com

    通讯作者:

    段亮 E-mail: duanliang@craes.org.cn

  • 中图分类号: X703

Study on membrane bioreactor-ultra low-pressure selective nanofiltration for municipal wastewater treatment

More Information
    Corresponding author: Liang DUAN E-mail: duanliang@craes.org.cn
  • 摘要: 针对再生水的高品质化和污泥的减量化问题,构建一套膜生物反应器-超低压纳滤组合工艺(MBR-DF)中试装置,以零排泥的方式运行处理城镇污水,同时建立一套传统活性污泥处理工艺(CAS),进水COD及$NH^{+}_{4}$-N、TN、TP浓度分别为87.0~165.7、14.0~31.0、14.2~32.4和2.5~3.3 mg/L。结果表明:浓水零排放MBR-DF系统对COD、$NH^{+}_{4}$-N和$PO_{4}^{3-}$具有较好的去除效果,去除率分别为95.7%、99.0%和68.5%。总溶解固体(TDS)和$HCO^{-}_{3}$的去除率分别为13.5%和31.1%,并能有效地降低出水总硬度。DF膜对$PO_{4}^{3-}$和$SO_{4}^{2-}$具有明显的截留作用,对$NO^{-}_{3}$截留效果较差,对$HCO^{-}_{3}$无截留作用。进水溶解性有机物(DOM)经MBR-DF后,出水中仅剩少量的类色氨酸类物质,且MBR-DF系统对进水DOM的UV254消减率达到94.9%,对DOC的去除率在98.0%以上,出水DOM的腐殖质向非腐殖质转化的程度较高。MBR-DF系统和CAS系统对17-β雌二醇(E2)的去除率分别为99.9%和70.8%,MBR-DF系统可有效降低出水回用过程中存在的健康隐患。

     

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出版历程
  • 收稿日期:  2018-09-03
  • 刊出日期:  2019-01-20

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