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Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel

In this study, Fe-ZnO catalyst synthesized via modified sol–gel technique with different Fe doping ratio (2, 3, and 5) wt% was explored for oxidative desulfurization (ODS) of model fuel. The sol-gel technique was adopted without the use of surfactants. The catalysts were characterized by several mea...

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Main Authors: Abdul Kadhim, Wafaa, Mohd Asyrak, Deraman, Syamsul Bahari, Abdullah, Saiful Nizam, Tajuddin, M. M., Yusoff, Yun Hin, Taufiq-Yap, Mohd Hasbi, Ab. Rahim
Format: Article
Language:English
Published: Elsevier Ltd 2017
Subjects:
Q Science (General)
Online Access:http://umpir.ump.edu.my/id/eprint/17375/1/Efficient%20and%20reusable%20iron-zinc%20oxide%20catalyst%20for%20oxidative%20desulfurization%20of%20model%20fuel.pdf
http://umpir.ump.edu.my/id/eprint/17375/
http://doi.org/10.1016/j.jece.2017.03.001
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spelling my.ump.umpir.173752018-11-22T08:13:14Z http://umpir.ump.edu.my/id/eprint/17375/ Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel Abdul Kadhim, Wafaa Mohd Asyrak, Deraman Syamsul Bahari, Abdullah Saiful Nizam, Tajuddin M. M., Yusoff Yun Hin, Taufiq-Yap Mohd Hasbi, Ab. Rahim Q Science (General) In this study, Fe-ZnO catalyst synthesized via modified sol–gel technique with different Fe doping ratio (2, 3, and 5) wt% was explored for oxidative desulfurization (ODS) of model fuel. The sol-gel technique was adopted without the use of surfactants. The catalysts were characterized by several means of characterization techniques (TGA, XRD, FTIR, N2- physisorption, XPS, FESEM-EDX and NH3-TPD). The characterization results clearly showed that sol-gel technique is a suitable method to synthesize highly crystalline metal oxide materials with smaller particle size, higher surface area and tunable acidic properties. The ODS reaction conditions and Fe metal loading were found to influence the dibenzothiophene (DBT) removal efficiency. The catalytic ODS data showed that Fe-ZnO with 5 wt% of Fe catalyst is capable in total removal of DBT within shorter reaction time under mild reaction conditions in the presence of H2O2 as an oxidant. The catalyst is reusable for six consecutive cycles of reaction without regeneration steps and the characteristic of spent catalyst was confirmed with XRD and FTIR analysis. The close catalytic cycle involving H2O2 as an oxidant was shown through proposed mechanistic pathway. Elsevier Ltd 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/17375/1/Efficient%20and%20reusable%20iron-zinc%20oxide%20catalyst%20for%20oxidative%20desulfurization%20of%20model%20fuel.pdf Abdul Kadhim, Wafaa and Mohd Asyrak, Deraman and Syamsul Bahari, Abdullah and Saiful Nizam, Tajuddin and M. M., Yusoff and Yun Hin, Taufiq-Yap and Mohd Hasbi, Ab. Rahim (2017) Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel. Journal of Environmental Chemical Engineering, 5 (2). pp. 1645-1656. ISSN 2213-3437 http://doi.org/10.1016/j.jece.2017.03.001 doi: org/10.1016/j.jece.2017.03.001
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic Q Science (General)
spellingShingle Q Science (General)
Abdul Kadhim, Wafaa
Mohd Asyrak, Deraman
Syamsul Bahari, Abdullah
Saiful Nizam, Tajuddin
M. M., Yusoff
Yun Hin, Taufiq-Yap
Mohd Hasbi, Ab. Rahim
Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel
description In this study, Fe-ZnO catalyst synthesized via modified sol–gel technique with different Fe doping ratio (2, 3, and 5) wt% was explored for oxidative desulfurization (ODS) of model fuel. The sol-gel technique was adopted without the use of surfactants. The catalysts were characterized by several means of characterization techniques (TGA, XRD, FTIR, N2- physisorption, XPS, FESEM-EDX and NH3-TPD). The characterization results clearly showed that sol-gel technique is a suitable method to synthesize highly crystalline metal oxide materials with smaller particle size, higher surface area and tunable acidic properties. The ODS reaction conditions and Fe metal loading were found to influence the dibenzothiophene (DBT) removal efficiency. The catalytic ODS data showed that Fe-ZnO with 5 wt% of Fe catalyst is capable in total removal of DBT within shorter reaction time under mild reaction conditions in the presence of H2O2 as an oxidant. The catalyst is reusable for six consecutive cycles of reaction without regeneration steps and the characteristic of spent catalyst was confirmed with XRD and FTIR analysis. The close catalytic cycle involving H2O2 as an oxidant was shown through proposed mechanistic pathway.
format Article
author Abdul Kadhim, Wafaa
Mohd Asyrak, Deraman
Syamsul Bahari, Abdullah
Saiful Nizam, Tajuddin
M. M., Yusoff
Yun Hin, Taufiq-Yap
Mohd Hasbi, Ab. Rahim
author_facet Abdul Kadhim, Wafaa
Mohd Asyrak, Deraman
Syamsul Bahari, Abdullah
Saiful Nizam, Tajuddin
M. M., Yusoff
Yun Hin, Taufiq-Yap
Mohd Hasbi, Ab. Rahim
author_sort Abdul Kadhim, Wafaa
title Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel
title_short Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel
title_full Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel
title_fullStr Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel
title_full_unstemmed Efficient and Reusable Iron-Zinc Oxide Catalyst for Oxidative Desulfurization of Model Fuel
title_sort efficient and reusable iron-zinc oxide catalyst for oxidative desulfurization of model fuel
publisher Elsevier Ltd
publishDate 2017
url http://umpir.ump.edu.my/id/eprint/17375/1/Efficient%20and%20reusable%20iron-zinc%20oxide%20catalyst%20for%20oxidative%20desulfurization%20of%20model%20fuel.pdf
http://umpir.ump.edu.my/id/eprint/17375/
http://doi.org/10.1016/j.jece.2017.03.001
_version_ 1643668165311332352
score 13.211869

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