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纳滤去除饮用水中的PFOS

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张健, 赵长伟, 宋娜, 王涛, 栾兆坤. 纳滤去除饮用水中的PFOS[J]. 环境工程学报, 2013, 7(11): 4236-4240.
引用本文: 张健, 赵长伟, 宋娜, 王涛, 栾兆坤. 纳滤去除饮用水中的PFOS[J]. 环境工程学报, 2013, 7(11): 4236-4240.
shu
Zhang Jian, Zhao Changwei, Song Na, Wang Tao, Luan Zhaokun. Nanofiltration membrane process for removal of PFOS from drinking water[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4236-4240.
Citation: Zhang Jian, Zhao Changwei, Song Na, Wang Tao, Luan Zhaokun. Nanofiltration membrane process for removal of PFOS from drinking water[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4236-4240.
shu

纳滤去除饮用水中的PFOS

  • 1.

    中国科学院生态环境研究中心环境水质学国家重点实验室, 北京 100085

  • 2.

    中国矿业大学化学与环境工程学院, 北京 100083

  • 基金项目:

    国家自然科学基金资助项目(21176245,50978245)

    "十二五"国家科技支撑计划项目(2012BAJ25B02,2012BAJ25B06)

  • 中图分类号: X52

Nanofiltration membrane process for removal of PFOS from drinking water

  • 1.

    State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

  • 2.

    School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China

  • Fund Project:

  • 摘要: 全氟辛烷磺酸类物质(PFOS) 是一种新型持久性有机污染物,对人类健康存在很大威胁,目前世界范围内的水体中均检测到不同浓度的PFOS。研究如何安全有效去除这类新型污染物十分必要。利用HYDRA-core 10纳滤膜进行PFOS去除研究,在不同操作压力下研究pH、电解质以及与腐殖酸共存对PFOS截留效果的影响。结果表明,随着pH值的增加,截留率上升;二价盐对PFOS截留率的影响要高于一价盐,并且随着二价盐离子强度的增加,截留率上升;腐殖酸共存时截留效率有显著增加,尤其在1 mmol/L钙离子存在条件下,PFOS的截留率可达到95.8%,但会引起膜通量下降及膜污染的发生。
    Abstract: Perfluorooctane sulfonate (PFOS) as one class of emerging pollutants detected from waters has drew great attention in recent years. How to remove PFOS from surface water and ensuring the security of drinking water for human beings is very important. In this study, HYDRA-core 10 nanofiltration membrane was used to remove PFOS from stimulate water, and the effects of operating pressure, pH, electrolytes, and humic acid on PFOS rejection were investigated. The results showed that the PFOS rejection increased with pH increase. The divalent salts could improve PFOS rejection compared with the monovalent salts, and the PFOS rejection increased with increasing ionic strength of divalent salts. The humic acid addition improved significantly PFOS rejection, and it can reach up to 95.8% in the 1 mmol/L Ca2+ existence, but it would also cause membrane fouling and the decline of membrane flux.
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  • [1] Bots J., De Bruyn L., Snijkers T., et al. Exposure to perfluorooctane sulfonic acid (PFOS) adversely affects the life-cycle of the damselfly Enallagma cyathigerum. Environmental Pollution, 2010, 158(3): 901-905
    [2] Dauwe T., Van de Vijver K., De Coen W., et al. PFOS levels in the blood and liver of a small insectivorous songbird near a fluorochemical plant. Environment International, 2007, 33(3): 357-361
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    [11] Zhang Q., Deng S., Yu G., et al. Removal of perfluorooctane sulfonate from aqueous solution by crosslinked chitosan beads: Sorption kinetics and uptake mechanism. Bioresource Technology, 2011, 102(3): 2265-2271
    [12] D. Vecitis Chad, Park Hyunwoong, Cheng Jie, et al. Treatment technologies for aqueous perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA). Frontiers of Environmental Science & Engineering in China, 2009, 3(2): 129-151
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    [17] 毕飞, 陈欢林, 高从堦. 纳滤膜去除饮用水中微量有机物的研究进展. 现代化工, 2011, 31(7): 21-26,28 Bi Fei, Chen Huanlin, Gao Congjie. Advances on trace organics removal from drinking-water by nanofiltration. Modern Chemical Industry, 2011, 31(7): 21-26,28(in Chinese)
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  • 收稿日期:  2012-09-29
  • 刊出日期:  2013-11-21
张健, 赵长伟, 宋娜, 王涛, 栾兆坤. 纳滤去除饮用水中的PFOS[J]. 环境工程学报, 2013, 7(11): 4236-4240.
引用本文: 张健, 赵长伟, 宋娜, 王涛, 栾兆坤. 纳滤去除饮用水中的PFOS[J]. 环境工程学报, 2013, 7(11): 4236-4240.
shu
Zhang Jian, Zhao Changwei, Song Na, Wang Tao, Luan Zhaokun. Nanofiltration membrane process for removal of PFOS from drinking water[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4236-4240.
Citation: Zhang Jian, Zhao Changwei, Song Na, Wang Tao, Luan Zhaokun. Nanofiltration membrane process for removal of PFOS from drinking water[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4236-4240.
shu

纳滤去除饮用水中的PFOS

  • 1.  中国科学院生态环境研究中心环境水质学国家重点实验室, 北京 100085
  • 2.  中国矿业大学化学与环境工程学院, 北京 100083
  • 收稿日期:  2012-09-29
基金项目:

国家自然科学基金资助项目(21176245,50978245)

"十二五"国家科技支撑计划项目(2012BAJ25B02,2012BAJ25B06)

摘要: 全氟辛烷磺酸类物质(PFOS) 是一种新型持久性有机污染物,对人类健康存在很大威胁,目前世界范围内的水体中均检测到不同浓度的PFOS。研究如何安全有效去除这类新型污染物十分必要。利用HYDRA-core 10纳滤膜进行PFOS去除研究,在不同操作压力下研究pH、电解质以及与腐殖酸共存对PFOS截留效果的影响。结果表明,随着pH值的增加,截留率上升;二价盐对PFOS截留率的影响要高于一价盐,并且随着二价盐离子强度的增加,截留率上升;腐殖酸共存时截留效率有显著增加,尤其在1 mmol/L钙离子存在条件下,PFOS的截留率可达到95.8%,但会引起膜通量下降及膜污染的发生。

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