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Fouling behavior of ultrafiltration membrane caused by protein and humic acid mixtures

Authors： FENG Min, WANG Lei, YANG Zihan, MIAO Rui, LYU Yongtao

Units： Key Laboratory of Environmental Engineering of Shaanxi Province, Key Laboratory of Membrane Separation of Shaanxi Province, School of Environmental and Municipal Engineering Xi’an

KeyWords： ultrafiltration membrane; mixture foulants; fouling mechanism; microforces

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2020,40(3):22-27

Abstract：

In this study, PVDF ultrafiltration membranes were used to filter the single pollutant solution of bovine serum albumin (BSA), humic acid (HA) and HA-BSA binary mixed pollutant solution, combined with the corresponding pollutant adsorption behavior on the membrane surface and the membrane. Contamination micro-force, analysis of ultrafiltration membrane pollution behavior of HA-BSA mixed pollutants. The results show that compared with BSA, the membrane fouling rate and irreversible pollution caused by the HA-BSA mixture are significantly slowed down; on the contrary, compared with HA, the HA-BSA mixture intensifies the membrane fouling rate and irreversible pollution. This is mainly caused by the difference in micro-effects of membrane pollution: HA-PVDF

Funds：

陕西省科技创新引导专项(2018HJCG-18) ；陕西省重点科技创新团队计划（2017KCT-19-01）

AuthorIntro：

第一作者简介：冯敏(1995- )，女，陕西西安人，硕士研究生，主要从事超滤膜制备与污染机制研究，E-mail:757770624@qq.com *通讯作者，E-mail: wl0178@126.com

Reference：

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