Synthesis of ZnO photocatalyst modified with activated carbon for a perfect degradation of ciprofloxacin and its secondary pollutants

Synthesis of ZnO photocatalyst modified with activated carbon for a perfect degradation of... The proposed research, presents the synthesis, characterization, and photocatalytic accomplishment of ZnO nanoplate (ZnOs) modified with activated carbon derived from Konar bark. The obtained nanocomposite (photocatalyst) was characterized by scanning electron microscopy (SEM), X‐ray diffraction (XRD), Raman spectroscopy, X‐ray photoelectron spectroscopy (XPS), and Brunauer–Emmett–Teller (BET). First, the ZnO photocatalyst and activated carbon (AC) were prepared separately; then, the ZnO photocatalyst was modified with activated carbon. Various parameters namely pH, degradation time, and photocatalyst dose were optimized and studied in multivariate method by design expert7 software. The synergic efficiency of ZnO‐AC (adsorbent/photocatalyst) exhibited a good rate of ciprofloxacin (CIP) removal under visible irradiation. In addition, first pseudo order kinetic and isotherms equations were calculated. Moreover, the identification of degradation products was performed by ultra performance liquid chromatography‐tandem mass spectrometer (UPLC‐MS/MS). It is for the first time that a ZnO photocatalyst modified with activated carbon (ZnO‐AC) applied for CIP degradation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Organometallic Chemistry Wiley

Synthesis of ZnO photocatalyst modified with activated carbon for a perfect degradation of ciprofloxacin and its secondary pollutants

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Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
Copyright © 2018 John Wiley & Sons, Ltd.
ISSN
0268-2605
eISSN
1099-0739
D.O.I.
10.1002/aoc.4198
Publisher site
See Article on Publisher Site

Abstract

The proposed research, presents the synthesis, characterization, and photocatalytic accomplishment of ZnO nanoplate (ZnOs) modified with activated carbon derived from Konar bark. The obtained nanocomposite (photocatalyst) was characterized by scanning electron microscopy (SEM), X‐ray diffraction (XRD), Raman spectroscopy, X‐ray photoelectron spectroscopy (XPS), and Brunauer–Emmett–Teller (BET). First, the ZnO photocatalyst and activated carbon (AC) were prepared separately; then, the ZnO photocatalyst was modified with activated carbon. Various parameters namely pH, degradation time, and photocatalyst dose were optimized and studied in multivariate method by design expert7 software. The synergic efficiency of ZnO‐AC (adsorbent/photocatalyst) exhibited a good rate of ciprofloxacin (CIP) removal under visible irradiation. In addition, first pseudo order kinetic and isotherms equations were calculated. Moreover, the identification of degradation products was performed by ultra performance liquid chromatography‐tandem mass spectrometer (UPLC‐MS/MS). It is for the first time that a ZnO photocatalyst modified with activated carbon (ZnO‐AC) applied for CIP degradation.

Journal

Applied Organometallic ChemistryWiley

Published: Jan 1, 2018

Keywords: ; ; ;

References

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