Development of high flux photocatalytic agcl-cooh-mwcnt/pes ultrafiltration membranes for enhanced waste water treatment and fouling mitigation
文献类型： 外文期刊
作者： Zhao, Boyu 1 ; Zhang, Zezhou 1 ; Wang, Wenyi 1 ; Yang, Xiangdong 4 ; Zhao, Chennan 1 ; Yang, Xiuying 1 ; Shen, Ao 1 ; Ye, Meiqi 1 ;
作者机构： 1.Tiangong Univ, Sch Mat Sci & Engn, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
2.Tiangong Univ, Sch Mat Sci & Engn, Key Lab Hollow Fiber Membrane Mat & Membrane Proc, Tianjin 300387, Peoples R China
3.Tiangong Univ, Sch Mat Sci & Engn, Tianjin Key Lab Hollow Fiber Membrane Mat & Proc, Tianjin 300387, Peoples R China
4.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, State Key Lab Efficient Utilizat Arid & Semiarid A, Minst Agr & Rural Affairs,Key Lab Plant Nutr & Fer, Beijing 100081, Peoples R China
关键词： Carboxylate carbon nanotubes; Silver chloride nanoparticles; Polyethersulfone; Photocatalytic antifouling; Antibacterial property
期刊名称：SEPARATION AND PURIFICATION TECHNOLOGY （ 影响因子：9.0； 五年影响因子：8.5 ）
ISSN： 1383-5866
年卷期： 2025 年 355 卷
页码：
收录情况： SCI
摘要： A structurally stable AgCl-COOH MWCNT/PES composite membrane was designed and fabricated by combining phase conversion and post-treatment techniques, which can solve the serious membrane fouling in industrial wastewater treatment. The carboxylation of MWCNTs not only enhanced their dispersion but also facilitated their binding with silver chloride, resulting in a stable composite structure that significantly improved contaminant degradation capabilities. The post-treatment technique increased the membrane's water purification flux by 150 % (reaching 520 L center dot m2 center dot h- 1 center dot bar- 1) while maintaining a high BSA retention rate of 95 %. Additionally, the composite membrane demonstrated excellent photocatalytic antifouling properties, with a flux recovery rate of 91.8 % under UV irradiation, and exhibited more than 99 % inhibition of Escherichia coli. This method provides a scalable solution for enhancing the performance of PES membranes in wastewater treatment applications.
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