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author:

Deng, Shiyun (Deng, Shiyun.) [1] | Li, Zhenzhen (Li, Zhenzhen.) [2] | Zhao, Tiansu (Zhao, Tiansu.) [3] | Huang, Guocheng (Huang, Guocheng.) [4] (Scholars:黄国城) | Wang, Jianchun (Wang, Jianchun.) [5] | Bi, Jinhong (Bi, Jinhong.) [6] (Scholars:毕进红)

Indexed by:

Scopus SCIE

Abstract:

Photocatalysis provides a green strategy to eliminate the emerging pollutants of antibiotics. However, it remains challenging to design robust photocatalyst to fulfil the requirement of industrial implementation. Herein, a novel Z-scheme covalent triazine-based framework (CTF)-Bi2WO6 heterojunction photocatalyst was rationally fabri-cated by interfacial engineering of layered CTF-1 into flower-like Bi2WO6 for photocatalytic removal of anti-biotic, using tetracycline (TC) as a representative. The structural, physicochemical, and electrochemical capabilities of the as-prepared photocatalyst were explored in detail by a range of advanced analyses. The results showed that the optimized CTF-Bi2WO6 exhibited superior photocatalytic performance, affording a TC removal efficacy of 77.14 % within 60 min, which was approximately 18 times and 2.67 times that of individual CTF-1 and Bi2WO6, respectively. The boosting property could be attributed to the Z-scheme heterostructure, which significantly reinforced the transfer and separation of photoinduced carriers. Meanwhile, the dominate reactive species participating in the degradation process were probed as & BULL;O2? and h+ based on scavenger experiments and ESR analyses. Finally, the degradation pathway of TC by CTF-Bi2WO6 was proposed based on intermediate products, and the toxicity of TC and its degradation products were estimated by the toxicity estimation software tool (T.E.S.T.). This study showcases a feasible pathway towards designing CTF-based Z-scheme heterojunction photocatalysts for effective and eco-friendly antibiotic wastewater treatment.

Keyword:

Antibiotic Covalent triazine-based framework Photocatalytic degradation Z -scheme

Community:

  • [ 1 ] [Deng, Shiyun]Fuzhou Univ, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 2 ] [Li, Zhenzhen]Fuzhou Univ, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 3 ] [Zhao, Tiansu]Fuzhou Univ, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 4 ] [Huang, Guocheng]Fuzhou Univ, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 5 ] [Wang, Jianchun]Fuzhou Univ, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 6 ] [Bi, Jinhong]Fuzhou Univ, Dept Environm Sci & Engn, Minhou 350108, Fujian, Peoples R China
  • [ 7 ] [Bi, Jinhong]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Minhou 350108, Fujian, Peoples R China
  • [ 8 ] [Wang, Jianchun]Fujian Longking Co Ltd, Xiamen 361000, Peoples R China

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Source :

JOURNAL OF WATER PROCESS ENGINEERING

ISSN: 2214-7144

Year: 2022

Volume: 49

7 . 0

JCR@2022

6 . 3 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 22

SCOPUS Cited Count: 23

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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