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Pb doped ZnO nanoparticles for the sorption of Reactive Black 5 textile azo dye
Water Science and Technology, Volume: 82, Issue: 11, Pages: 2576 - 2591
Swansea University Author:
Chedly Tizaoui
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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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ISSN: | 0273-1223 1996-9732 |
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2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa56008 |
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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 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical 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 |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering |
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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 |
2020-12-01T04:10:37Z |
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1763753735093223424 |
score |
11.021648 |