Analysis on ultrafiltration membrane fouling and practice of chemical cleaning

doi:10.11894/iwt.2018-0765

Industrial Water Treatment ›› 2019, Vol. 39 ›› Issue (7): 105-106. doi: 10.11894/iwt.2018-0765

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Analysis on ultrafiltration membrane fouling and practice of chemical cleaning

Hongyan Zhang¹(),Yajun Wei²,Xudong Pan³,Zhijun Cao³

1. Linhuan Joinlion Power Co., Ltd., Huaibei 235135, China
2. Shanxi Lu'an Coal To Liquid Co., Ltd., Changzhi 046100, China
3. CenerTech Tianjin Chemical Research and Design Institute Co., Ltd., Tianjin 300131, China

Received:2019-04-28 Online:2019-07-20 Published:2019-08-07

超滤系统污堵原因分析及化学清洗实践

张红燕¹(),魏亚军²,潘旭东³,曹志军³

1. 临涣中利发电有限公司, 安徽淮北 235135
2. 山西潞安集团煤基合成油有限公司, 山西长治 046100
3. 中海油天津化工研究设计院有限公司, 天津 300131

作者简介:张红燕(1978-),化学专工。E-mail:pxdongs@sina.com

Abstract

Abstract:

Ultrafiltration system is widely used in chemical water production in thermal power plant. How to prevent the ultrafiltration system from breaking down due to the UF membrane pollution and fouling during operation is an important work of daily operation control of UF system. The fault failure of sudden fouling in the ultrafiltration system was studied and analyzed, and the solution and implementation measures for chemical cleaning were formulated in time. The importance of chemical cleaning to restore membrane performance was further demonstrated through cleaning practice, so as to find suitable methods for pollution control in the future.

Key words: ultrafiltration, membrane fouling, chemical cleaning

摘要：

超滤系统在火力发电厂化学制水中的应用越来越广泛，如何防止运行过程中因超滤膜的污染、污堵导致的超滤系统突发故障，是超滤系统日常运行控制的重点。针对超滤系统突发污堵故障进行研究分析，及时制定化学清洗对策，通过清洗实践进一步体现了化学清洗恢复膜性能的重要性，为今后超滤系统的污染控制找到适宜方法。

关键词: 超滤, 膜污染, 化学清洗

CLC Number:

TU991.2

Hongyan Zhang,Yajun Wei,Xudong Pan,Zhijun Cao. Analysis on ultrafiltration membrane fouling and practice of chemical cleaning[J]. Industrial Water Treatment, 2019, 39(7): 105-106.

张红燕,魏亚军,潘旭东,曹志军. 超滤系统污堵原因分析及化学清洗实践[J]. 工业水处理, 2019, 39(7): 105-106.

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URL: https://www.iwt.cn/EN/10.11894/iwt.2018-0765

https://www.iwt.cn/EN/Y2019/V39/I7/105

项目	pH	电导率/（μS·cm^-1）	Ca²⁺/（mg·L^-1）	Mg2+/（mg·L^-1）	Cl^-/（mg·L^-1）	SO₄^2-/（mg·L^-1）	HCO₃^-/（mg·L^-1）	全硅（SiO₂）/（mg·L^-1）	Sr²⁺/（mg·L^-1）	硬度（全）/（mmol·L^-1）	全固型物/（mg·L^-1）	溶固型物/（mg·L^-1）
数值	8.37	2 340	88.34	57.81	194.76	687.08	342.63	2.53	2.059	4.582	1 651.0	1 628.4

项目	pH	电导率/（μS·cm^-1）	Ca²⁺/（mg·L^-1）	Mg2+/（mg·L^-1）	Cl^-/（mg·L^-1）	SO₄^2-/（mg·L^-1）	HCO₃^-/（mg·L^-1）	全硅（SiO₂）/（mg·L^-1）	Sr²⁺/（mg·L^-1）	硬度（全）/（mmol·L^-1）	全固型物/（mg·L^-1）	溶固型物/（mg·L^-1）
数值	8.37	2 340	88.34	57.81	194.76	687.08	342.63	2.53	2.059	4.582	1 651.0	1 628.4

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