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author:

Ning, R. (Ning, R..) [1] | Yan, Z. (Yan, Z..) [2] | Lu, Z. (Lu, Z..) [3] | Wang, Q. (Wang, Q..) [4] | Wu, Z. (Wu, Z..) [5] | Dai, W. (Dai, W..) [6] | Fan, G. (Fan, G..) [7] | Fu, X. (Fu, X..) [8]

Indexed by:

Scopus

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:

In situ enhanced removal; Membrane distillation; Photocatalytic membrane; Semi-volatile organic compounds; Visible light

Community:

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

Reprint 's Address:

  • [Yan, Z.]College of Civil Engineering, 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: 0

SCOPUS Cited Count: 17

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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