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周振, 姚吉伦, 庞治邦, 刘波. 电絮凝延缓陶瓷微滤膜污染[J]. 环境工程学报, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
引用本文: 周振, 姚吉伦, 庞治邦, 刘波. 电絮凝延缓陶瓷微滤膜污染[J]. 环境工程学报, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
shu
Zhou Zhen, Yao Jilun, Pang Zhibang, Liu Bo. Mitigated fouling of ceramic microfiltration membrane by electrocoagulation pretreatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
Citation: Zhou Zhen, Yao Jilun, Pang Zhibang, Liu Bo. Mitigated fouling of ceramic microfiltration membrane by electrocoagulation pretreatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
shu

电絮凝延缓陶瓷微滤膜污染

  • 1.

    后勤工程学院国家救灾应急装备工程技术研究中心, 重庆 401311

  • 基金项目:

    国家科技支撑计划项目(2012BAK05B00)

  • 中图分类号: X703

Mitigated fouling of ceramic microfiltration membrane by electrocoagulation pretreatment

  • 1.

    Engineering and Technological Research Center of National Disaster Relief Equipment, Logistical Engineering University, Chongqing 401311, China

  • Fund Project:

  • 摘要: 为提高陶瓷微滤膜净化微污染水源水时的产水量,采用电絮凝预处理工艺延缓陶瓷膜的污染。研究了电流密度、进水流量以及跨膜压差对组合工艺产水量的影响,结果显示,较之原水直接微滤,电絮凝预处理后膜产水量得到提升。其最佳运行参数为:电流密度1.5 mA/cm2,进水流量3 L/min,跨膜压差0.15 MPa。同时,比较了碱型、氧化型和配位型药剂清洗对膜污染的影响,结果表明,先用氧化型药剂清洗,再用配位型药剂清洗的方式膜通量恢复值最高。
    Abstract: In order to increase permeate fluxes during micro-polluted surface water microfiltration process, electrocoagulation was employed for microfiltration pretreatment by mitigation of membrane fouling. Factors such as current density, feed flow and transmembrane pressure that affected the water yield in hybrid EC-MF process were studied. The data showed that electrocoagulation pretreatment improved MF fluxes compared with untreated water, and the optimum operating conditions were a current density of 1.5 mA/cm2, feed flow of 4 L/min and a transmembrane pressure of 0.15 MPa. At the same time, the comparison of alkaline agent, oxidizing agent and complexing agent in contaminant removal were conducted. The results indicated that the best cleaning performance in recovery of permeability was exhibited in the order of oxidizing agent and complexing agent.
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  • 收稿日期:  2015-12-31
  • 刊出日期:  2016-06-03
周振, 姚吉伦, 庞治邦, 刘波. 电絮凝延缓陶瓷微滤膜污染[J]. 环境工程学报, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
引用本文: 周振, 姚吉伦, 庞治邦, 刘波. 电絮凝延缓陶瓷微滤膜污染[J]. 环境工程学报, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
shu
Zhou Zhen, Yao Jilun, Pang Zhibang, Liu Bo. Mitigated fouling of ceramic microfiltration membrane by electrocoagulation pretreatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
Citation: Zhou Zhen, Yao Jilun, Pang Zhibang, Liu Bo. Mitigated fouling of ceramic microfiltration membrane by electrocoagulation pretreatment[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2279-2283. doi: 10.12030/j.cjee.201510020
shu

电絮凝延缓陶瓷微滤膜污染

  • 1. 后勤工程学院国家救灾应急装备工程技术研究中心, 重庆 401311
  • 收稿日期:  2015-12-31
基金项目:

国家科技支撑计划项目(2012BAK05B00)

摘要: 为提高陶瓷微滤膜净化微污染水源水时的产水量,采用电絮凝预处理工艺延缓陶瓷膜的污染。研究了电流密度、进水流量以及跨膜压差对组合工艺产水量的影响,结果显示,较之原水直接微滤,电絮凝预处理后膜产水量得到提升。其最佳运行参数为:电流密度1.5 mA/cm2,进水流量3 L/min,跨膜压差0.15 MPa。同时,比较了碱型、氧化型和配位型药剂清洗对膜污染的影响,结果表明,先用氧化型药剂清洗,再用配位型药剂清洗的方式膜通量恢复值最高。

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