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Ultrafiltration membrane fouling of microalgae-derived intracellular organic matter exposed to pharmaceuticals and personal care products (PPCPs)

文献类型： 外文期刊

作者： Huang, Weiwei 1 ; Xu, Hongkai 2 ; Yao, Lei 3 ; Li, Tian 4 ; Qiu, Yongting 7 ; Yu, Hongjian 4 ; He, Huan 4 ; Wei, Chunzhong 8 ; Liu, Junxia 9 ; Zhou, Wenzong 1 ; Dong, Bingzhi 4 ; Wu, Bing 10 ;

作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Lab Integrated Rice Fish Farming Ecosyst, Minist Agr & Rural Affairs, Shanghai 201403, Peoples R China

2.Shanghai Chengtou Water Grp Co Ltd, Water Prod Branch, Shanghai 201599, Peoples R China

3.Wuhan Inst Technol, Sch Elect & Informat Engn, Wuhan 430205, Peoples R China

4.Tongji Univ, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China

5.Tongji Univ, State Key Lab Pollut Control & Resources Reuse, Key Lab Urban Water Supply Water Saving & Water En, Minist Water Resource,Key Lab Yangtze River Water, Shanghai 200092, Peoples R China

6.Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China

7.China Water Resources Pearl River Planning Surveyi, Guangzhou 510610, Peoples R China

8.Guangxi Beitou Environm Protect Water Grp Co Ltd, Nanning Engn Technol Res Ctr Water Safety, Nanning 530029, Gzar, Peoples R China

9.Guangdong Univ Technol, Sch Civil & Transportat Engn, Guangzhou 510006, Peoples R China

10.Univ Iceland, Fac Civil & Environm Engn, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland

关键词： Intracellular organic matter; Carbamazepine; Diclofenac sodium; Membrane fouling; Microalgae

期刊名称：JOURNAL OF WATER PROCESS ENGINEERING （ 影响因子：6.7； 五年影响因子：6.7 ）

ISSN： 2214-7144

年卷期： 2025 年 69 卷

页码：

收录情况： SCI

摘要： The frequent algae bloom induces the release of intracellular organic matter (IOM), which plays a significant role in the ultrafiltration (UF) process. The growth of algae is greatly impacted by the surrounding aquatic environment, including the pharmaceuticals and personal care products (PPCPs) due to their extensive use in the past decades. Thus, the release of IOM and the associated UF membrane performance are also affected by the PPCPs exposure. However, such studies have seldomly been reported before. In this study, the effects of two typical PPCPs (e.g., carbamazepine, CMZ and diclofenac sodium, DFC) exposure on the release of IOM and membrane filtration performance during UF of microalgae-laden water were systematically investigated. The results showed that when the microalgae were exposed to CMZ (0.25-100 mu g/L), their produced IOM led to more irreversible fouling resistance (Rb), while the reversible fouling resistances (Rc) were reduced under low CMZ exposure (0.25 mu g/L) but elevated at a high dosage of CMZ (> 1 mu g/L). On the contrary, the exposure of DFC (0.25-1000 mu g/L) caused a reduced Rb and an increased R c . Further analysis revealed that Rb was positively correlated with the micromolecules released by microalgae, while the change of R c was ascribed to the promoted/suppressed synthesis of macromolecules forming a cake layer. Nevertheless, reversible fouling played a primary role on IOM fouling development regardless of the exposure to CMZ and DFC. Our findings have significant implications for further identifying suitable fouling control strategies during UF of microalgae-laden water coexisting with PPCPs.

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