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纳滤膜在垃圾渗滤液深度处理中应用

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宁桂兴, 张忻, 王凯, 姜安平, 汪桂林. 纳滤膜在垃圾渗滤液深度处理中应用[J]. 环境工程学报, 2013, 7(4): 1440-1444.
引用本文: 宁桂兴, 张忻, 王凯, 姜安平, 汪桂林. 纳滤膜在垃圾渗滤液深度处理中应用[J]. 环境工程学报, 2013, 7(4): 1440-1444.
shu
Ning Guixing, Zhang Xin, Wang Kai, Jiang Anping, Wang Guilin. Application of nanofiltration technology in treatment of urban soild composting leachate[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1440-1444.
Citation: Ning Guixing, Zhang Xin, Wang Kai, Jiang Anping, Wang Guilin. Application of nanofiltration technology in treatment of urban soild composting leachate[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1440-1444.
shu

纳滤膜在垃圾渗滤液深度处理中应用

  • 1.

    北京桑德国际有限公司设计研究院,北京 101102

  • 2.

    上海天成环境保护有限公司,上海 201814

  • 基金项目:

  • 中图分类号: X703

Application of nanofiltration technology in treatment of urban soild composting leachate

  • 1.

    Research and Design Institute of Beijing Sound Internation Group Co.Ltd., Beijing 101102, China

  • 2.

    Shanghai Tianchen Environmental Protection Co. Ltd., Shanghai 201814, China

  • Fund Project:

  • 摘要: 利用纳滤膜技术处理MBR二级处理后出水,研究纳滤膜在垃圾渗滤液应用中回收率及进出水COD变化情况。工程试验结果表明:当MBR出水COD小于800 mg/L~900 mg/L,纳滤膜出水COD小于100 mg/L;纳滤系统直通式运行回收率40%~50%;内循环式运行回收率75%~80%,浓缩段回收率9.3%~11.8%,总回收率80.4%~82.0%;根据膜面运行流速要求,进膜的流量需大于8 m3/h;进膜压力、进水流量和循环流量是影响膜通量大小的关键因素。
    Abstract: Nanofiltration membrane has many advantages to treat effluent from amembrane bio-reactor. A study was carried out to evaluate the recovery rate of composting leachate and change of COD. The results showed that COD of MBR effluent was less than 800 mg/L~900 mg/L, COD of the nanofiltration membrane effluent was less than 100 mg/L. Recovery rate of direct run nanofiltration system was 40%~50%. Inner loop run recovery rate was 75%~80%. Concentrated segment rate was 9.3%~11.8%.The total recovery rate was 80.4%~82.0%. Accorading to the requirement of velocity along membrane surface, inflow of the membrane must be more than 8 m3/h. The membrane pressure, inflow and circulation flow were key factors to affect the membrane flux.
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  • 收稿日期:  2012-05-28
  • 刊出日期:  2013-04-09
宁桂兴, 张忻, 王凯, 姜安平, 汪桂林. 纳滤膜在垃圾渗滤液深度处理中应用[J]. 环境工程学报, 2013, 7(4): 1440-1444.
引用本文: 宁桂兴, 张忻, 王凯, 姜安平, 汪桂林. 纳滤膜在垃圾渗滤液深度处理中应用[J]. 环境工程学报, 2013, 7(4): 1440-1444.
shu
Ning Guixing, Zhang Xin, Wang Kai, Jiang Anping, Wang Guilin. Application of nanofiltration technology in treatment of urban soild composting leachate[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1440-1444.
Citation: Ning Guixing, Zhang Xin, Wang Kai, Jiang Anping, Wang Guilin. Application of nanofiltration technology in treatment of urban soild composting leachate[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1440-1444.
shu

纳滤膜在垃圾渗滤液深度处理中应用

  • 1. 北京桑德国际有限公司设计研究院,北京 101102
  • 2. 上海天成环境保护有限公司,上海 201814
  • 收稿日期:  2012-05-28
基金项目:

摘要: 利用纳滤膜技术处理MBR二级处理后出水,研究纳滤膜在垃圾渗滤液应用中回收率及进出水COD变化情况。工程试验结果表明:当MBR出水COD小于800 mg/L~900 mg/L,纳滤膜出水COD小于100 mg/L;纳滤系统直通式运行回收率40%~50%;内循环式运行回收率75%~80%,浓缩段回收率9.3%~11.8%,总回收率80.4%~82.0%;根据膜面运行流速要求,进膜的流量需大于8 m3/h;进膜压力、进水流量和循环流量是影响膜通量大小的关键因素。

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