Staff View: Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer

Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions

The strong electrostatic adsorption (SEA) method was applied to the synthesis of a cobalt (Co) catalyst on a multi-walled carbon nanotube (CNT) support. In order to uptake more of the cobalt cluster with higher dispersion, the CNT was functionalized via acid and thermal treatment. The Co/CNT catalys...

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Main Authors:	Akbarzadeh, Omid, Mohd Zabidi, Noor Asmawati, Wahab, Yasmin Abdul, Hamizi, Nor Aliya, Chowdhury, Zaira Zaman, Aljunid Merican, Zulkifli Merican, Rahman, Marlinda Ab, Akhter, Shamima, Shalauddin, Md, Johan, Mohd Rafie
Format:	Article
Published:	MDPI 2018
Subjects:	QD Chemistry
Online Access:	http://eprints.um.edu.my/24375/ https://doi.org/10.3390/sym11010007
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spelling	my.um.eprints.243752020-05-27T02:32:50Z http://eprints.um.edu.my/24375/ Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions Akbarzadeh, Omid Mohd Zabidi, Noor Asmawati Wahab, Yasmin Abdul Hamizi, Nor Aliya Chowdhury, Zaira Zaman Aljunid Merican, Zulkifli Merican Rahman, Marlinda Ab Akhter, Shamima Shalauddin, Md Johan, Mohd Rafie QD Chemistry The strong electrostatic adsorption (SEA) method was applied to the synthesis of a cobalt (Co) catalyst on a multi-walled carbon nanotube (CNT) support. In order to uptake more of the cobalt cluster with higher dispersion, the CNT was functionalized via acid and thermal treatment. The Co/CNT catalyst samples were characterized by a range of methods including the Brunauer-Emmet-Teller (BET) surface area analyzer, transmission electron microscopy (TEM), X-ray powder diffraction (XRD) analysis, atomic absorption spectroscopy (AAS), and H2-temperature programmed reduction (H2-TPR) analysis. The data from the TEM images revealed that the catalyst was highly dispersed over the external and internal walls of the CNT and that it demonstrated a narrow particle size of 6-8 nm. In addition, the data from the H2-TPR studies showed a lower reduction temperature (420 °C) for the pre-treated catalyst samples. Furthermore, a Fischer-Tropsch synthesis (FTS) reaction was chosen to evaluate the Co/CNT catalyst performance by using a fixed-bed microreactor at different parameters. Finally finding the optimum value of the cobalt loading percentage, particle size, and calcination conditions of Co/CNT catalyst resulted in a CO conversion and C5+ selectivity of 58.7% and 83.2%, respectively. © 2018 by the authors. MDPI 2018 Article PeerReviewed Akbarzadeh, Omid and Mohd Zabidi, Noor Asmawati and Wahab, Yasmin Abdul and Hamizi, Nor Aliya and Chowdhury, Zaira Zaman and Aljunid Merican, Zulkifli Merican and Rahman, Marlinda Ab and Akhter, Shamima and Shalauddin, Md and Johan, Mohd Rafie (2018) Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions. Symmetry, 11 (1). p. 7. ISSN 2073-8994 https://doi.org/10.3390/sym11010007 doi:10.3390/sym11010007
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	QD Chemistry
spellingShingle	QD Chemistry Akbarzadeh, Omid Mohd Zabidi, Noor Asmawati Wahab, Yasmin Abdul Hamizi, Nor Aliya Chowdhury, Zaira Zaman Aljunid Merican, Zulkifli Merican Rahman, Marlinda Ab Akhter, Shamima Shalauddin, Md Johan, Mohd Rafie Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions
description	The strong electrostatic adsorption (SEA) method was applied to the synthesis of a cobalt (Co) catalyst on a multi-walled carbon nanotube (CNT) support. In order to uptake more of the cobalt cluster with higher dispersion, the CNT was functionalized via acid and thermal treatment. The Co/CNT catalyst samples were characterized by a range of methods including the Brunauer-Emmet-Teller (BET) surface area analyzer, transmission electron microscopy (TEM), X-ray powder diffraction (XRD) analysis, atomic absorption spectroscopy (AAS), and H2-temperature programmed reduction (H2-TPR) analysis. The data from the TEM images revealed that the catalyst was highly dispersed over the external and internal walls of the CNT and that it demonstrated a narrow particle size of 6-8 nm. In addition, the data from the H2-TPR studies showed a lower reduction temperature (420 °C) for the pre-treated catalyst samples. Furthermore, a Fischer-Tropsch synthesis (FTS) reaction was chosen to evaluate the Co/CNT catalyst performance by using a fixed-bed microreactor at different parameters. Finally finding the optimum value of the cobalt loading percentage, particle size, and calcination conditions of Co/CNT catalyst resulted in a CO conversion and C5+ selectivity of 58.7% and 83.2%, respectively. © 2018 by the authors.
format	Article
author	Akbarzadeh, Omid Mohd Zabidi, Noor Asmawati Wahab, Yasmin Abdul Hamizi, Nor Aliya Chowdhury, Zaira Zaman Aljunid Merican, Zulkifli Merican Rahman, Marlinda Ab Akhter, Shamima Shalauddin, Md Johan, Mohd Rafie
author_facet	Akbarzadeh, Omid Mohd Zabidi, Noor Asmawati Wahab, Yasmin Abdul Hamizi, Nor Aliya Chowdhury, Zaira Zaman Aljunid Merican, Zulkifli Merican Rahman, Marlinda Ab Akhter, Shamima Shalauddin, Md Johan, Mohd Rafie
author_sort	Akbarzadeh, Omid
title	Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions
title_short	Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions
title_full	Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions
title_fullStr	Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions
title_full_unstemmed	Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions
title_sort	effects of cobalt loading, particle size, and calcination condition on co/cnt catalyst performance in fischer–tropsch reactions
publisher	MDPI
publishDate	2018
url	http://eprints.um.edu.my/24375/ https://doi.org/10.3390/sym11010007
_version_	1669007996912402432
score	13.211869

Effects of Cobalt Loading, Particle Size, and Calcination Condition on Co/CNT Catalyst Performance in Fischer–Tropsch Reactions

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