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author:

Ning, Rongsheng (Ning, Rongsheng.) [1] | Yan, Zhongsen (Yan, Zhongsen.) [2] | Lu, Zhenyu (Lu, Zhenyu.) [3] | Wang, Qiankun (Wang, Qiankun.) [4] | Wu, Zengling (Wu, Zengling.) [5] | Dai, Wenxin (Dai, Wenxin.) [6] | Fan, Gongduan (Fan, Gongduan.) [7] | Fu, Xianzhi (Fu, Xianzhi.) [8]

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EI

Abstract:

Membrane distillation (MD) is emerging as a promising technology for wastewater reclamation to relieve the shortage of freshwater. However, due to the contamination of semi-volatile organic compounds (s-VOCs), part of s-VOCs would transfer the membrane and impact the permeate quality during the MD process. Herein, an innovative AgCl/MIL-100(Fe)/PTFE photocatalytic membrane (AM/PTFE) was rationally synthesized in view of the increasing s-VOCs rejection. The AM/PTFE membrane was applied in the photocatalytic direct contact membrane distillation (DCMD) system and nitrobenzene (NB) was selected as the model contamination for evaluating removal performance of s-VOCs under visible light. Compared with the MD process, NB removal rate increased from 63.44% to 87.84% in the photocatalytic MD system. Moreover, stable performance was maintained over five NB removal cycles experiment with s-VOCs rejection higher than 84.84% in the end. The enhanced rejection of s-VOCs could be attributed to the combination of adsorption and photocatalytic. The volatile NB molecules were adsorbed on the surface of photocatalytic membranes, and the photo-electrons (e-) generated by immobilized nanomaterials could effectively remove pollutants under visible light irradiation. This photocatalytic MD system provides an attractive avenue for the water reclamation from s-VOCs contaminated wastewater in the practical applications. © 2022 Elsevier B.V.

Keyword:

Distillation Gas chromatography Light Membranes Photocatalytic activity Silver halides Volatile organic compounds Wastewater reclamation

Community:

  • [ 1 ] [Ning, Rongsheng]State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai; 200092, China
  • [ 2 ] [Ning, Rongsheng]College of Civil Engineering, Fuzhou University, Fujian; 350116, China
  • [ 3 ] [Yan, Zhongsen]College of Civil Engineering, Fuzhou University, Fujian; 350116, China
  • [ 4 ] [Yan, Zhongsen]State Key Laboratory of Comprehensive Utilization of Low Grade Refractory Gold Ores, Zijin Mining Group Co. Ltd., Xiamen; 361101, China
  • [ 5 ] [Yan, Zhongsen]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian; 350002, China
  • [ 6 ] [Lu, Zhenyu]College of Civil Engineering, Fuzhou University, Fujian; 350116, China
  • [ 7 ] [Wang, Qiankun]State Key Laboratory of Comprehensive Utilization of Low Grade Refractory Gold Ores, Zijin Mining Group Co. Ltd., Xiamen; 361101, China
  • [ 8 ] [Wu, Zengling]State Key Laboratory of Comprehensive Utilization of Low Grade Refractory Gold Ores, Zijin Mining Group Co. Ltd., Xiamen; 361101, China
  • [ 9 ] [Dai, Wenxin]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian; 350002, China
  • [ 10 ] [Fan, Gongduan]College of Civil Engineering, Fuzhou University, Fujian; 350116, China
  • [ 11 ] [Fu, Xianzhi]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian; 350002, China

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Source :

Separation and Purification Technology

ISSN: 1383-5866

Year: 2022

Volume: 292

8 . 6

JCR@2022

8 . 2 0 0

JCR@2023

ESI HC Threshold:74

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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