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ZHANG Pan, WEN Xianghua, WANG Bo, YU Kaichang, XUE Tao. Operation effect of a nanofiltration demonstration project for producing reclaimed water[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 4985-4992. doi: 10.12030/j.cjee.201701044
Citation: ZHANG Pan, WEN Xianghua, WANG Bo, YU Kaichang, XUE Tao. Operation effect of a nanofiltration demonstration project for producing reclaimed water[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 4985-4992. doi: 10.12030/j.cjee.201701044
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Operation effect of a nanofiltration demonstration project for producing reclaimed water

  • 1.

    School of Environment, Tsinghua University, Beijing 100084, China

  • 2.

    Beijing Originwater Technology Co. Ltd., Beijing 102206, China

  • Received Date: 05/03/2017
    Accepted Date: 06/01/2017
    Available Online: 26/08/2017
    Fund Project:
  • As a promising advanced treatment process, nanofiltration(NF) is seen very competitive for producing reclaimed water. But so far, NF has rarely been used in municipal wastewater reclamation plants. In this paper, we tested the efficiency and stability of a pioneering NF demonstration project in Beijing, which targets producing reclaimed water from municipal wastewater. Results showed that the NF process can effectively remove chemical oxygen demand (COD), total phosphorus (TP) and heavy metals, with corresponding index of effluent meeting the requirement of the surface water standards, class Ⅲ. However, NF had relatively poor performance for total nitrogen (TN) removal, with a removal rate of less than 15%. The rejections of all trace organics were about or higher than 70% except for bisphenol A and carbamazepine, likely because of the low molecular weight and non-ionic properties of these two chemicals. Luminescent bacteria toxicity test proved the reliability of NF to produce nontoxic effluent.
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Operation effect of a nanofiltration demonstration project for producing reclaimed water

  • Received Date: 05/03/2017
  • Accepted Date: 06/01/2017
  • Available Online: 26/08/2017
Fund Project:

Abstract: As a promising advanced treatment process, nanofiltration(NF) is seen very competitive for producing reclaimed water. But so far, NF has rarely been used in municipal wastewater reclamation plants. In this paper, we tested the efficiency and stability of a pioneering NF demonstration project in Beijing, which targets producing reclaimed water from municipal wastewater. Results showed that the NF process can effectively remove chemical oxygen demand (COD), total phosphorus (TP) and heavy metals, with corresponding index of effluent meeting the requirement of the surface water standards, class Ⅲ. However, NF had relatively poor performance for total nitrogen (TN) removal, with a removal rate of less than 15%. The rejections of all trace organics were about or higher than 70% except for bisphenol A and carbamazepine, likely because of the low molecular weight and non-ionic properties of these two chemicals. Luminescent bacteria toxicity test proved the reliability of NF to produce nontoxic effluent.

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