Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol

Abstract Mesocellular foam carbon (MCF-C) is one the captivating materials for using in gas phase dehydrogenation of ethanol. Extraordinary, enlarge pore size, high surface area, high acidity, and spherical shape with interconnected pore for high diffusion. In contrary, the occurrence of the coke is...

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Autores principales:	Yoottapong Klinthongchai, Seeroong Prichanont, Piyasan Praserthdam, Bunjerd Jongsomjit
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/274bf95486214db8ab721a504212e086
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spelling	oai:doaj.org-article:274bf95486214db8ab721a504212e0862021-12-02T17:50:56ZStudy of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol10.1038/s41598-021-91190-72045-2322https://doaj.org/article/274bf95486214db8ab721a504212e0862021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91190-7https://doaj.org/toc/2045-2322Abstract Mesocellular foam carbon (MCF-C) is one the captivating materials for using in gas phase dehydrogenation of ethanol. Extraordinary, enlarge pore size, high surface area, high acidity, and spherical shape with interconnected pore for high diffusion. In contrary, the occurrence of the coke is a majority causes for inhibiting the active sites on catalyst surface. Thus, this study aims to investigate the occurrence of the coke to optimize the higher catalytic activity, and also to avoid the coke formation. The MCF-C was synthesized and investigated using various techniques. MCF-C was spent in gas-phase dehydrogenation of ethanol under mild conditions. The deactivation of catalyst was investigated toward different conditions. Effects of reaction condition including different reaction temperatures of 300, 350, and 400 °C on the deactivation behaviors were determined. The results indicated that the operating temperature at 400 °C significantly retained the lowest change of ethanol conversion, which favored in the higher temperature. After running reaction, the physical properties as pore size, surface area, and pore volume of spent catalysts were decreased owing to the coke formation, which possibly blocked the pore that directly affected to the difficult diffusion of reactant and caused to be lower in catalytic activity. Furthermore, a slight decrease in either acidity or basicity was observed owing to consumption of reactant at surface of catalyst or chemical change on surface caused by coke formation. Therefore, it can remarkably choose the suitable operating temperature to avoid deactivation of catalyst, and then optimize the ethanol conversion or yield of acetaldehyde.Yoottapong KlinthongchaiSeeroong PrichanontPiyasan PraserthdamBunjerd JongsomjitNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yoottapong Klinthongchai Seeroong Prichanont Piyasan Praserthdam Bunjerd Jongsomjit Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol
description	Abstract Mesocellular foam carbon (MCF-C) is one the captivating materials for using in gas phase dehydrogenation of ethanol. Extraordinary, enlarge pore size, high surface area, high acidity, and spherical shape with interconnected pore for high diffusion. In contrary, the occurrence of the coke is a majority causes for inhibiting the active sites on catalyst surface. Thus, this study aims to investigate the occurrence of the coke to optimize the higher catalytic activity, and also to avoid the coke formation. The MCF-C was synthesized and investigated using various techniques. MCF-C was spent in gas-phase dehydrogenation of ethanol under mild conditions. The deactivation of catalyst was investigated toward different conditions. Effects of reaction condition including different reaction temperatures of 300, 350, and 400 °C on the deactivation behaviors were determined. The results indicated that the operating temperature at 400 °C significantly retained the lowest change of ethanol conversion, which favored in the higher temperature. After running reaction, the physical properties as pore size, surface area, and pore volume of spent catalysts were decreased owing to the coke formation, which possibly blocked the pore that directly affected to the difficult diffusion of reactant and caused to be lower in catalytic activity. Furthermore, a slight decrease in either acidity or basicity was observed owing to consumption of reactant at surface of catalyst or chemical change on surface caused by coke formation. Therefore, it can remarkably choose the suitable operating temperature to avoid deactivation of catalyst, and then optimize the ethanol conversion or yield of acetaldehyde.
format	article
author	Yoottapong Klinthongchai Seeroong Prichanont Piyasan Praserthdam Bunjerd Jongsomjit
author_facet	Yoottapong Klinthongchai Seeroong Prichanont Piyasan Praserthdam Bunjerd Jongsomjit
author_sort	Yoottapong Klinthongchai
title	Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol
title_short	Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol
title_full	Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol
title_fullStr	Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol
title_full_unstemmed	Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol
title_sort	study of deactivation in mesocellular foam carbon (mcf-c) catalyst used in gas-phase dehydrogenation of ethanol
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/274bf95486214db8ab721a504212e086
work_keys_str_mv	AT yoottapongklinthongchai studyofdeactivationinmesocellularfoamcarbonmcfccatalystusedingasphasedehydrogenationofethanol AT seeroongprichanont studyofdeactivationinmesocellularfoamcarbonmcfccatalystusedingasphasedehydrogenationofethanol AT piyasanpraserthdam studyofdeactivationinmesocellularfoamcarbonmcfccatalystusedingasphasedehydrogenationofethanol AT bunjerdjongsomjit studyofdeactivationinmesocellularfoamcarbonmcfccatalystusedingasphasedehydrogenationofethanol
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Study of deactivation in mesocellular foam carbon (MCF-C) catalyst used in gas-phase dehydrogenation of ethanol

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