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Study on the membrane fouling of surface water treatment by ultrafiltration with different molecular weight cut-off

Authors： GUO Yonghui, LI Yongguo , WANG Jian, GUI Bo, GAO Kuo

Units： 1.Toray Bluestar Membrane Co., Ltd, Beijing101318; 2. School of Environmental Science and Engineering, TongjiUniversity,Shanghai200092 ; 3.-YANGTZE EcoEnvironment Engineering Reasearch Center (Shanghai), Shanghai 200335

KeyWords： ultrafiltration; surface water; molecular weight cut-off; membrane fouling

ClassificationCode：TB324

year,volume(issue):pagination： 2022,42(5):139-145

Abstract：

Molecular weight cut-off(MWCO) is an important parameter to characterize the cut-off performance of ultrafiltration membranes, which is closely related to membrane fouling behavior. In this paper, the fouling behavior of ultrafiltration membranes with different MWCO of 150 kDa and 3000 kDa in the process of treating surface water was studied. Results show that the ultrafiltration membrane with lower MWCO got lower fouling rate and irreversible fouling. The ultrafiltration membrane with lower MWCO retained more foulants on the membrane surface, prevented the foulant with high molecular weight from entering the inside of the membrane pores and reduced irreversible fouling. The analysis of the membrane fouling mode pointed out that the fouling behavior of the ultrafiltration membrane with lower MWCO changes to the cake layer filtration mode faster. The cake layer can further adsorb and retain foulant in the water. And the cake layer is easier to remove by physical cleaning, resulting lower irreversible fouling.

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AuthorIntro：

郭永晖（1970-），男，甘肃省兰州市人，工程师，研究方向为反渗透，超滤膜在水处理中的应用，guoyh@tbmc-bj.com

Reference：

[1] 聂莉, 董秉直. 不同相对分子质量的有机物对膜通量的影响[J]. 中国环境科学, 2009, 29(10): 1086-1092.
[2] 孙丽华, 刘烨辉, 吕静静, 等. 不同超滤膜处理二级出水的膜污染机制研究[J]. 应用化工, 2020, 49(08): 1883-1887.
[3] Tian J, Ernst M, Cui F, et al. Correlations of relevant membrane foulants with UF membrane fouling in different waters[J]. Water Res, 2013, 47(3): 1218-1228.
[4] 杨海燕, 王灿, 鄢忠森, 等. 超滤处理东江水不可逆膜污染物的识别和活性炭对其吸附去除[J]. 环境科学, 2017, 38(4): 7.
[5] 韩洪蕊, 赵军强, 杨景, 等. PVDF/PAA-b-PMMA-b-PAA超滤膜的结构调控和性能评价[J]. 膜科学与技术, 2019, 39(2): 9.
[6] Koo C H, Mohammad A W, Talib M Z M. Review of the effect of selected physicochemical factors on membrane fouling propensity based on fouling indices[J]. Desalination, 2012, 287: 167-177.
[7] 罗欢刘广立刘杰倪晋仁. 不同超滤膜过滤天然有机物的膜污染特性研究[J]. 环境污染治理技术与设备, 2005(05): 46-50.
[8] Taniguchi M, Kilduff J E, Belfort G. Modes of Natural Organic Matter Fouling during Ultrafiltration[J]. Environ Sci Technol, 2003, 37(8): 1676-1683.
[9] 金鹏康, 吴鑫, 王晓昌. 不同截留分子量超滤膜污染过程分析[J]. 西安建筑科技大学学报(自然科学版), 2010, 42(05): 712-716.
[10] 王继斌. 不同截留分子量超滤膜的污染特性及动力学特征[D]: 西安建筑科技大学, 2007.
[11] Ho C, Zydney A L. A combined pore blockage and cake filtration model for protein fouling during microfiltration[J]. J Colloid Interf Sci, 2000, 232(2): 389-399.
[12] Stefan, A., Huber, et al. Characterisation of aquatic humic and non-humic matter with size-exclusion chromatography - organic carbon detection - organic nitrogen detection (LC-OCD-OND)[J]. Water research: A journal of the international water association, 2011, 45(2): 879-885.
[13] Hermans P H. Principles of the mathematical treatment of constant-pressure filtration[J]. J. Soc. Chem. Ind., 1936, 55: 1.
[14] 张启伟, 孙丽华, 吕静静, 等. 不同材质及不同截留分子量超滤膜对二级出水中污染物的去除研究[J]. 工业安全与环保, 2018, 044(009): 13-19.
[15] Shang R, Vuong F, Hu J, et al. Hydraulically irreversible fouling on ceramic MF/UF membranes: Comparison of fouling indices, foulant composition and irreversible pore narrowing[J]. Sep Purif Technol, 2015, 147: 303-310.
[16] Qu F, Liang H, Zhou J, et al. Ultrafiltration membrane fouling caused by extracellular organic matter (EOM) from Microcystis aeruginosa: Effects of membrane pore size and surface hydrophobicity[J]. J Membrane Sci, 2014, 449: 58-66.
[17] Cho J, Amy G, Pellegrino J. Membrane filtration of natural organic matter: Initial comparison of rejection and flux decline characteristics with ultrafiltration and nanofiltration membranes[J]. Water Res, 1999, 33(11): 2517-2526.
[18] Shang R, Verliefde A R D, Hu J, et al. Tight ceramic UF membrane as RO pre-treatment: The role of electrostatic interactions on phosphate rejection[J]. Water Res, 2014, 48: 498-507.
[19] Howe K J, Clark M M. Fouling of microfiltration and ultrafiltration membranes by natural waters[J]. Environ Sci Technol, 2002, 36(16): 3571-3576.

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