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author:

Cai, Jiafeng (Cai, Jiafeng.) [1] | Zhang, Yan (Zhang, Yan.) [2] | Qian, Tianwei (Qian, Tianwei.) [3] | Li, Xiaolong (Li, Xiaolong.) [4] | Chen, Zhigang (Chen, Zhigang.) [5] | Zhang, Lisha (Zhang, Lisha.) [6]

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EI

Abstract:

Various semiconductor powders (such as bismuth oxybromide/bismuth oxyiodide (BiOBr/BiOI) nanojunctions) can photodegrade wastewater efficiently, but their practical application is limited by poor recovery performance. To address the problem, we report the construction of BiOBr/BiOI nanojunctions on flexible carbon fiber cloth (CFC) substrate as an easily recycled photocatalyst by the dipping-solvothermal-dipping-solvothermal four-step method. CFC/BiOBr/BiOI is composed of CFC substate and two layers of nanosheets, while BiOBr nanosheets (thickness: 10–30 nm, diameter: 200–400 nm) were grown in the inner layer and BiOI nanosheets (thickness: 50–80 nm, diameter:300–600 nm) were grown in the outer layer. CFC/BiOBr/BiOI (4 × 4 cm2) can effectively photodegrade 97.7% acid orange 7 (AO7), 91.3% levofloxacin (LVFX) and 97.8% tetracycline (TC) within 120 min under the illumination of visible-light, better than CFC/BiOBr (73.2% AO7, 71.6% LVFX and 81.6% TC). Furthermore, superoxide radical (•O2−) and hydroxyl radical (•OH) are the main active substances during removing LVFX by CFC/BiOBr/BiOI. Besides, CFC/BiOBr/BiOI can efficiently reduce 93.5% chemical oxygen demand (COD) concentration of acrylic resin production wastewater (ARPW) under visible-light illumination for 3 h, better than CFC/BiOBr (36.6% COD). Therefore, CFC/BiOBr/BiOI has broad application prospects in purifying wastewater as a new type of easily recycled photocatalyst. © 2021 Elsevier Inc.

Keyword:

Bismuth compounds Bromine compounds Carbon fibers Chemical oxygen demand Light Nanosheets Recycling Wastewater reclamation Wastewater treatment

Community:

  • [ 1 ] [Cai, Jiafeng]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai; 201620, China
  • [ 2 ] [Cai, Jiafeng]Shanghai Institute of Pollution Control and Ecological Security, Shanghai; 200092, China
  • [ 3 ] [Zhang, Yan]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai; 201620, China
  • [ 4 ] [Zhang, Yan]Shanghai Institute of Pollution Control and Ecological Security, Shanghai; 200092, China
  • [ 5 ] [Zhang, Yan]Department of Environmental Engineering, School of Environmental and Geographical Science, Shanghai Normal University, Shanghai 200234, China
  • [ 6 ] [Qian, Tianwei]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai; 201620, China
  • [ 7 ] [Li, Xiaolong]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai; 201620, China
  • [ 8 ] [Chen, Zhigang]International Joint Laboratory for Advanced Fiber and Low Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai; 201620, China
  • [ 9 ] [Zhang, Lisha]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai; 201620, China
  • [ 10 ] [Zhang, Lisha]Shanghai Institute of Pollution Control and Ecological Security, Shanghai; 200092, China
  • [ 11 ] [Zhang, Lisha]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350116, China

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Source :

Journal of Colloid and Interface Science

ISSN: 0021-9797

Year: 2022

Volume: 608

Page: 2660-2671

9 . 9

JCR@2022

9 . 4 0 0

JCR@2023

ESI HC Threshold:74

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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