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超滤/反渗透双膜技术深度处理印染废水

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曾杭成, 张国亮, 孟琴, 陈金媛, 王岐东. 超滤/反渗透双膜技术深度处理印染废水[J]. 环境工程学报, 2008, 2(8): 1021-1025.
引用本文: 曾杭成, 张国亮, 孟琴, 陈金媛, 王岐东. 超滤/反渗透双膜技术深度处理印染废水[J]. 环境工程学报, 2008, 2(8): 1021-1025.
shu
Zeng Hangcheng, Zhang Guoliang, Meng Qin, Chen Jinyuan, Wang Qidong. Treatment of textile wastewater using ultratfiltration and reverse osmosis dual membrane system[J]. Chinese Journal of Environmental Engineering, 2008, 2(8): 1021-1025.
Citation: Zeng Hangcheng, Zhang Guoliang, Meng Qin, Chen Jinyuan, Wang Qidong. Treatment of textile wastewater using ultratfiltration and reverse osmosis dual membrane system[J]. Chinese Journal of Environmental Engineering, 2008, 2(8): 1021-1025.
shu

超滤/反渗透双膜技术深度处理印染废水

  • 1.

    浙江工业大学生物与环境工程学院，杭州 310014

  • 2.

    浙江大学材料与化学工程学院，杭州 310027

  • 3.

    清华大学环境科学与工程系,北京 100084

  • 基金项目:

    国家自然科学基金资助项目（20776133）

    浙江省重点科技计划(2006C23067)

  • 中图分类号: X703.1

Treatment of textile wastewater using ultratfiltration and reverse osmosis dual membrane system

  • 1.

    College of Biological & Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014

  • 2.

    College of Material & Chemical Engineering, Zhejiang University, Hangzhou 310027

  • 3.

    Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084

  • Fund Project:

  • 摘要: 由于印染废水具有高盐度，可生化性差，使常规方法难于处理完全。采用超滤和反渗透双膜技术处理实际印染废水，考察了不同超滤膜对废水的预处理性能，研究了BW30和CPA2两种反渗透膜在不同操作条件下对印染废水的处理效果，并分析了相关膜通量下降的原因。结果表明，超滤能有效地去除废水浊度和大分子有机物，为反渗透提供良好的进水水质。两种反渗透膜的产水化学需氧量(COD)均小于10 mg/L, 电导率小于80 μS/cm, 其对有机物和盐的去除率分别可达99%和93%以上, 显示该产水能回用于大部分印染工序。BW30膜产水水质稍好于CPA2，但通量低于CPA2。
    Abstract: Ultrafiltration and reverse osmosis combined membrane processes were applied for in the textile wastewater treatmeat and reuse. As pretreatment, ultrafiltration had good performance on removal of turbidity and organic matters with high molecular weight, which could guarantee good quality of feed water for reverse osmosis. Two kinds of reverse osmosis membranes (BW30, CPA2) were tested and compared later by carrying out the lab-test under different operating pressures, times and temperatures. It appeared that permeate had COD value lower than 10 mg/L and conductivity no more than 80 μS/cm. The rejection for COD and salt could reach as high as 99% and 93%, respectively. Permeate of both two membranes could be recycled to most of dyeing process. Compared with CPA2, BW30 had a little better quality of permeate, but its flux was somewhat lower. At last, permeate flux decrease due to membrane fouling was also analyzed.
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  • 收稿日期:  2008-04-27
曾杭成, 张国亮, 孟琴, 陈金媛, 王岐东. 超滤/反渗透双膜技术深度处理印染废水[J]. 环境工程学报, 2008, 2(8): 1021-1025.
引用本文: 曾杭成, 张国亮, 孟琴, 陈金媛, 王岐东. 超滤/反渗透双膜技术深度处理印染废水[J]. 环境工程学报, 2008, 2(8): 1021-1025.
shu
Zeng Hangcheng, Zhang Guoliang, Meng Qin, Chen Jinyuan, Wang Qidong. Treatment of textile wastewater using ultratfiltration and reverse osmosis dual membrane system[J]. Chinese Journal of Environmental Engineering, 2008, 2(8): 1021-1025.
Citation: Zeng Hangcheng, Zhang Guoliang, Meng Qin, Chen Jinyuan, Wang Qidong. Treatment of textile wastewater using ultratfiltration and reverse osmosis dual membrane system[J]. Chinese Journal of Environmental Engineering, 2008, 2(8): 1021-1025.
shu

超滤/反渗透双膜技术深度处理印染废水

  • 1. 浙江工业大学生物与环境工程学院，杭州 310014
  • 2. 浙江大学材料与化学工程学院，杭州 310027
  • 3. 清华大学环境科学与工程系,北京 100084
  • 收稿日期:  2008-04-27
基金项目:

国家自然科学基金资助项目（20776133）

浙江省重点科技计划(2006C23067)

摘要: 由于印染废水具有高盐度，可生化性差，使常规方法难于处理完全。采用超滤和反渗透双膜技术处理实际印染废水，考察了不同超滤膜对废水的预处理性能，研究了BW30和CPA2两种反渗透膜在不同操作条件下对印染废水的处理效果，并分析了相关膜通量下降的原因。结果表明，超滤能有效地去除废水浊度和大分子有机物，为反渗透提供良好的进水水质。两种反渗透膜的产水化学需氧量(COD)均小于10 mg/L, 电导率小于80 μS/cm, 其对有机物和盐的去除率分别可达99%和93%以上, 显示该产水能回用于大部分印染工序。BW30膜产水水质稍好于CPA2，但通量低于CPA2。

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