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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]

Indexed by:

EI SCIE

Abstract:

Various semiconductor powders (such as bismuth oxybromide/bismuth oxyiodide (BiOBr/BiOI) nano junctions) 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-solvother mal-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 x 4 cm(2)) 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 (center dot O-2) and hydroxyl radical (center dot 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. (C) 2021 Elsevier Inc. All rights reserved.

Keyword:

BiOBr/BiOI Carbon fiber cloth Easily recycled photocatalyst Levofloxacin Visible-light

Community:

  • [ 1 ] [Cai, Jiafeng]Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
  • [ 2 ] [Zhang, Yan]Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
  • [ 3 ] [Qian, Tianwei]Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
  • [ 4 ] [Li, Xiaolong]Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
  • [ 5 ] [Zhang, Lisha]Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
  • [ 6 ] [Cai, Jiafeng]Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China
  • [ 7 ] [Zhang, Yan]Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China
  • [ 8 ] [Zhang, Lisha]Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China
  • [ 9 ] [Chen, Zhigang]Donghua Univ, Coll Mat Sci & Engn, Int Joint Lab Adv Fiber & Low Dimens Mat, Shanghai 201620, Peoples R China
  • [ 10 ] [Zhang, Lisha]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 11 ] [Zhang, Yan]Shanghai Normal Univ, Sch Environm & Geog Sci, Dept Environm Engn, Shanghai 200234, Peoples R 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 Discipline: CHEMISTRY;

ESI HC Threshold:74

JCR Journal Grade:1

CAS Journal Grade:2

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: 0

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