Ultra-low Cu(I) loading achieving ultra-high fouling-resistance and decontamination performance in a self-cleaning Cu2O/Ti3C2Tx@PVDF catalytic membrane integrated system

被引：0

作者：

Xie, Chao ^{[1
,2
]}

Zhang, Pengyu ^{[1
,2
]}

Hu, Yi ^{[1
,3
]}

Yang, Dandan ^{[1
]}

Li, Yahui ^{[1
]}

Li, Yulian ^{[1
]}

Lu, Jiandong ^{[1
]}

Wu, Zijian ^{[1
]}

He, Junyong ^{[1
]}

Hong, Peidong ^{[1
]}

Kong, Lingtao ^{[1
,2
]}

机构：

[1] Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics (ISSP), HFIPS, Chinese Academy of Sciences (CAS), Hefei

[2] University of Science and Technology of China (USTC), Hefei

[3] Department of Energy Engineering, Korea Institute of Energy Technology (KENTECH), Naju

来源：

Journal of Hazardous Materials | 2025年 / 495卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Cu[!sub]2[!/sub]O/Ti[!sub]3[!/sub]C[!sub]2[!/sub]T[!sub]x[!/sub]@PVDF membrane; Environmental catalysis; Fouling-resistance; Ultra-low catalyst loading; Wastewater purification;

D O I：

10.1016/j.jhazmat.2025.138817

中图分类号：

学科分类号：

摘要：

Engineering a catalytic and hydrophilic membrane integrated system holds significant environmental implications for fouling-resistant and efficient water purification. The heterojunction Cu2O/Ti3C2Tx was successfully synthesized by leveraging the specific interactions between the terminal active groups of MXene and Cu2O, effectively addressing the limitations of the catalytic membrane's performance due to low-dose doping, and enhancing its catalytic activity and hydrophilicity. Here we report a ultra-low Cu(I) loading that achieves ultra-high fouling-resistance and decontamination performance in a self-cleaning Cu2O/Ti3C2Tx@PVDF catalytic membrane integrated system. The representative membrane incorporating 1.0 wt% of Cu2O/Ti3C2Tx (denoted as M-1.0) as a PMS activator demonstrated the successful performance of long-lasting antifouling and sustainable decontamination across a wide pH range in complex water matrices. The intrinsic Cu(I)/Cu(II) redox cycles was found to be crucial for driving PMS activation and oxidative conversion. Moreover, the Cu2O/Ti3C2Tx-functionalized membrane demonstrated enhanced hydrophilicity and fouling-resistance compared to the pristine PVDF membrane. We further investigate the transformation and ecotoxicity of tetrabromobisphenol A and its intermediates within the M-1.0/PMS membrane system, providing valuable insights into the evolutionary dynamics of TBBPA. This work offers innovative perspectives for advancing environmental purification, membrane self-cleaning, and resources utilization technologies. © 2025

引用

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