Cargando…

Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles

The degradation of methyl tert-butyl ether (MTBE) was investigated in the aqueous solution of coated ZnO onto magnetite nanoparticale based on an advanced photocatalytic oxidation process. The photocatalysts were synthesized by coating of ZnO onto magnetite using precipitation method. The sample was...

Descripción completa

Detalles Bibliográficos
Autores principales: Safari, Mojtaba, Rostami, Mohammad Hossein, Alizadeh, Mehriana, Alizadehbirjandi, Atefeh, Nakhli, Seyyed Ali Akbar, Aminzadeh, Reza
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3937170/
https://www.ncbi.nlm.nih.gov/pubmed/24393372
http://dx.doi.org/10.1186/2052-336X-12-1
_version_ 1782305444249731072
author Safari, Mojtaba
Rostami, Mohammad Hossein
Alizadeh, Mehriana
Alizadehbirjandi, Atefeh
Nakhli, Seyyed Ali Akbar
Aminzadeh, Reza
author_facet Safari, Mojtaba
Rostami, Mohammad Hossein
Alizadeh, Mehriana
Alizadehbirjandi, Atefeh
Nakhli, Seyyed Ali Akbar
Aminzadeh, Reza
author_sort Safari, Mojtaba
collection PubMed
description The degradation of methyl tert-butyl ether (MTBE) was investigated in the aqueous solution of coated ZnO onto magnetite nanoparticale based on an advanced photocatalytic oxidation process. The photocatalysts were synthesized by coating of ZnO onto magnetite using precipitation method. The sample was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibration sample magnetometer (VSM). Besides, specific surface area was also determined by BET method. The four effective factors including pH of the reaction mixture, Fe(3)O(4)/ZnO magnetic nanoparticles concentration, initial MTBE concentration and molar ratio of [H(2)O(2)]/ [MTBE] were optimized using response surface modeling (RSM). Using the four-factor-three-level Box–Behnken design, 29 runs were designed considering the effective ranges of the influential factors. The optimized values for the operational parameters under the respective constraints were obtained at PH of 7.2, Fe(3)O(4)/ZnO concentration of 1.78 g/L, initial MTBE concentration of 89.14 mg/L and [H(2)O(2)]/ [MTBE] molar ratio of 2.33. Moreover, kinetics of MTBE degradation was determined under optimum condition. The study about core/shell magnetic nanoparticles (MNPs) recycling were also carried out and after about four times, the percentage of the photocatalytic degradation was about 70%.
format Online
Article
Text
id pubmed-3937170
institution National Center for Biotechnology Information
language English
publishDate 2014
publisher BioMed Central
record_format MEDLINE/PubMed
spelling pubmed-39371702014-03-06 Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles Safari, Mojtaba Rostami, Mohammad Hossein Alizadeh, Mehriana Alizadehbirjandi, Atefeh Nakhli, Seyyed Ali Akbar Aminzadeh, Reza J Environ Health Sci Eng Research Article The degradation of methyl tert-butyl ether (MTBE) was investigated in the aqueous solution of coated ZnO onto magnetite nanoparticale based on an advanced photocatalytic oxidation process. The photocatalysts were synthesized by coating of ZnO onto magnetite using precipitation method. The sample was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibration sample magnetometer (VSM). Besides, specific surface area was also determined by BET method. The four effective factors including pH of the reaction mixture, Fe(3)O(4)/ZnO magnetic nanoparticles concentration, initial MTBE concentration and molar ratio of [H(2)O(2)]/ [MTBE] were optimized using response surface modeling (RSM). Using the four-factor-three-level Box–Behnken design, 29 runs were designed considering the effective ranges of the influential factors. The optimized values for the operational parameters under the respective constraints were obtained at PH of 7.2, Fe(3)O(4)/ZnO concentration of 1.78 g/L, initial MTBE concentration of 89.14 mg/L and [H(2)O(2)]/ [MTBE] molar ratio of 2.33. Moreover, kinetics of MTBE degradation was determined under optimum condition. The study about core/shell magnetic nanoparticles (MNPs) recycling were also carried out and after about four times, the percentage of the photocatalytic degradation was about 70%. BioMed Central 2014-01-06 /pmc/articles/PMC3937170/ /pubmed/24393372 http://dx.doi.org/10.1186/2052-336X-12-1 Text en Copyright © 2014 Safari et al.; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/2.0 This is an open access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Safari, Mojtaba
Rostami, Mohammad Hossein
Alizadeh, Mehriana
Alizadehbirjandi, Atefeh
Nakhli, Seyyed Ali Akbar
Aminzadeh, Reza
Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles
title Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles
title_full Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles
title_fullStr Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles
title_full_unstemmed Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles
title_short Response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell Fe(3)O(4)/ZnO nanoparticles
title_sort response surface analysis of photocatalytic degradation of methyl tert-butyl ether by core/shell fe(3)o(4)/zno nanoparticles
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3937170/
https://www.ncbi.nlm.nih.gov/pubmed/24393372
http://dx.doi.org/10.1186/2052-336X-12-1
work_keys_str_mv AT safarimojtaba responsesurfaceanalysisofphotocatalyticdegradationofmethyltertbutyletherbycoreshellfe3o4znonanoparticles
AT rostamimohammadhossein responsesurfaceanalysisofphotocatalyticdegradationofmethyltertbutyletherbycoreshellfe3o4znonanoparticles
AT alizadehmehriana responsesurfaceanalysisofphotocatalyticdegradationofmethyltertbutyletherbycoreshellfe3o4znonanoparticles
AT alizadehbirjandiatefeh responsesurfaceanalysisofphotocatalyticdegradationofmethyltertbutyletherbycoreshellfe3o4znonanoparticles
AT nakhliseyyedaliakbar responsesurfaceanalysisofphotocatalyticdegradationofmethyltertbutyletherbycoreshellfe3o4znonanoparticles
AT aminzadehreza responsesurfaceanalysisofphotocatalyticdegradationofmethyltertbutyletherbycoreshellfe3o4znonanoparticles