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Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye

Roua Ben Dassi, Baha Chamam, Jean Pierre Méricq, Marc Heran, Catherine Faur, Lassaad El Mir, Chedly Tizaoui Orcid Logo, Ismail Trabelsi

Water Science and Technology, Volume: 82, Issue: 11, Pages: 2576 - 2591

Swansea University Author: Chedly Tizaoui Orcid Logo

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DOI (Published version): 10.2166/wst.2020.501

Abstract

In this study, Pb doped ZnO nanoparticles were synthesized by a sol-gel technique for the sorption of Reactive Black 5 (RB5) textile dye in aqueous solution. The ZnO:Pb (2 and 4%) nanoparticles have been characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy, scanning elec...

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Published in: Water Science and Technology
ISSN: 0273-1223 1996-9732
Published: IWA Publishing 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa56008
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spelling 2021-08-29T16:16:12.5082435 v2 56008 2021-01-11 Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye 4b34a0286d3c0b0b081518fa6987031d 0000-0003-2159-7881 Chedly Tizaoui Chedly Tizaoui true false 2021-01-11 CHEG In this study, Pb doped ZnO nanoparticles were synthesized by a sol-gel technique for the sorption of Reactive Black 5 (RB5) textile dye in aqueous solution. The ZnO:Pb (2 and 4%) nanoparticles have been characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy and cryogenic nitrogen adsorption method. The average size of the synthesized nanoparticles was less than 100 nm and the surface areas were 18.8 and 20.8 m2/g, respectively for ZnO:Pb 2% and ZnO:Pb 4%. Batch sorption experiments were performed for color removal of RB5 dye at ambient temperature and 30 mg/L dye concentration. The central composite design with response surface methodology was used to study the effect of sorption condition (pH, nanoparticles dose and contact time). The significance of independent variables and their interactions was tested by analysis of variance. The optimum conditions of color removal were pH = 7, 2 g/L dose of nanoparticles and a contact time of 79 min. The color removal performance was 79.4 and 98.1% for ZnO:Pb 2 and 4% respectively. The pseudo-second-order model described well the removal rates while the Langmuir model fitted well the adsorption isotherms. Journal Article Water Science and Technology 82 11 2576 2591 IWA Publishing 0273-1223 1996-9732 color removal, lead doped zinc oxide, nanoparticles, Reactive Black 5, sorption 1 12 2020 2020-12-01 10.2166/wst.2020.501 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University EPSRC EP/M028267/1 2021-08-29T16:16:12.5082435 2021-01-11T12:14:51.7607345 College of Engineering Engineering Roua Ben Dassi 1 Baha Chamam 2 Jean Pierre Méricq 3 Marc Heran 4 Catherine Faur 5 Lassaad El Mir 6 Chedly Tizaoui 0000-0003-2159-7881 7 Ismail Trabelsi 8 56008__20710__e8f5494d4826494d9e311f149cd01576.pdf 56008.VOR.wst082112576.pdf 2021-08-29T16:12:03.3043266 Output 776876 application/pdf Version of Record true This paper is Open Access via a Subscribe to Open model. true eng
title Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
spellingShingle Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
Chedly Tizaoui
title_short Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
title_full Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
title_fullStr Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
title_full_unstemmed Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
title_sort Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
author_id_str_mv 4b34a0286d3c0b0b081518fa6987031d
author_id_fullname_str_mv 4b34a0286d3c0b0b081518fa6987031d_***_Chedly Tizaoui
author Chedly Tizaoui
author2 Roua Ben Dassi
Baha Chamam
Jean Pierre Méricq
Marc Heran
Catherine Faur
Lassaad El Mir
Chedly Tizaoui
Ismail Trabelsi
format Journal article
container_title Water Science and Technology
container_volume 82
container_issue 11
container_start_page 2576
publishDate 2020
institution Swansea University
issn 0273-1223
1996-9732
doi_str_mv 10.2166/wst.2020.501
publisher IWA Publishing
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
description In this study, Pb doped ZnO nanoparticles were synthesized by a sol-gel technique for the sorption of Reactive Black 5 (RB5) textile dye in aqueous solution. The ZnO:Pb (2 and 4%) nanoparticles have been characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy and cryogenic nitrogen adsorption method. The average size of the synthesized nanoparticles was less than 100 nm and the surface areas were 18.8 and 20.8 m2/g, respectively for ZnO:Pb 2% and ZnO:Pb 4%. Batch sorption experiments were performed for color removal of RB5 dye at ambient temperature and 30 mg/L dye concentration. The central composite design with response surface methodology was used to study the effect of sorption condition (pH, nanoparticles dose and contact time). The significance of independent variables and their interactions was tested by analysis of variance. The optimum conditions of color removal were pH = 7, 2 g/L dose of nanoparticles and a contact time of 79 min. The color removal performance was 79.4 and 98.1% for ZnO:Pb 2 and 4% respectively. The pseudo-second-order model described well the removal rates while the Langmuir model fitted well the adsorption isotherms.
published_date 2020-12-01T04:11:20Z
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score 10.898149