Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature

The selective oxidation reaction of glycerol to produce lactic acid is a high-temperature reaction, and requiring a catalyst with high thermal stability. The mixed metal oxide is one of the potential catalysts to be explored. In this study, prepared CaCe supported on ZrO2 catalyst with two preparati...

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Autores principales:	Noraini Razali, Ahmad Zuhairi Abdullah
Formato:	article
Lenguaje:	EN
Publicado:	Department of Chemistry, Universitas Gadjah Mada 2020
Materias:	mixed metal oxide catalyst oxidation impregnation co-precipitation calcination Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/b4f521ed93dd4c9489a623fb61f4be88
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spelling	oai:doaj.org-article:b4f521ed93dd4c9489a623fb61f4be882021-12-02T12:11:46ZMixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature1411-94202460-157810.22146/ijc.44137https://doaj.org/article/b4f521ed93dd4c9489a623fb61f4be882020-05-01T00:00:00Zhttps://jurnal.ugm.ac.id/ijc/article/view/44137https://doaj.org/toc/1411-9420https://doaj.org/toc/2460-1578The selective oxidation reaction of glycerol to produce lactic acid is a high-temperature reaction, and requiring a catalyst with high thermal stability. The mixed metal oxide is one of the potential catalysts to be explored. In this study, prepared CaCe supported on ZrO2 catalyst with two preparation methods (co-precipitation and impregnation), and calcination temperatures (800 and 600 °C) were investigated. The oxidation reaction of glycerol to lactic acid was carried out at 250 °C for 2 h in a base-free condition using pure glycerol as a reactant. The catalysts were characterized using XRD, TGA, XPS, SEM and basicity test to evaluate and correlate the physical and chemical properties with their catalytic performance. It was found that the catalyst prepared by co-precipitation and calcined at 800 °C exhibited the highest catalytic performance. The high lactic acid yield of 38.8 and 95% glycerol conversion were achieved. The catalyst was successfully developed with sufficient porosity and high intensity of mixed metal structure that contributed to the desired high performance. Improvement in the basicity and formation of surface oxygen vacancies was attributed to cationic Ce4+/Ce3+ elements leading to the promotion of lactic acid yield and high glycerol conversion.Noraini RazaliAhmad Zuhairi AbdullahDepartment of Chemistry, Universitas Gadjah Madaarticlemixed metal oxide catalystoxidationimpregnationco-precipitationcalcinationChemistryQD1-999ENIndonesian Journal of Chemistry, Vol 20, Iss 3, Pp 608-615 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	mixed metal oxide catalyst oxidation impregnation co-precipitation calcination Chemistry QD1-999
spellingShingle	mixed metal oxide catalyst oxidation impregnation co-precipitation calcination Chemistry QD1-999 Noraini Razali Ahmad Zuhairi Abdullah Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature
description	The selective oxidation reaction of glycerol to produce lactic acid is a high-temperature reaction, and requiring a catalyst with high thermal stability. The mixed metal oxide is one of the potential catalysts to be explored. In this study, prepared CaCe supported on ZrO2 catalyst with two preparation methods (co-precipitation and impregnation), and calcination temperatures (800 and 600 °C) were investigated. The oxidation reaction of glycerol to lactic acid was carried out at 250 °C for 2 h in a base-free condition using pure glycerol as a reactant. The catalysts were characterized using XRD, TGA, XPS, SEM and basicity test to evaluate and correlate the physical and chemical properties with their catalytic performance. It was found that the catalyst prepared by co-precipitation and calcined at 800 °C exhibited the highest catalytic performance. The high lactic acid yield of 38.8 and 95% glycerol conversion were achieved. The catalyst was successfully developed with sufficient porosity and high intensity of mixed metal structure that contributed to the desired high performance. Improvement in the basicity and formation of surface oxygen vacancies was attributed to cationic Ce4+/Ce3+ elements leading to the promotion of lactic acid yield and high glycerol conversion.
format	article
author	Noraini Razali Ahmad Zuhairi Abdullah
author_facet	Noraini Razali Ahmad Zuhairi Abdullah
author_sort	Noraini Razali
title	Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature
title_short	Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature
title_full	Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature
title_fullStr	Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature
title_full_unstemmed	Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature
title_sort	mixed oxide catalyst for the oxidation of glycerol to lactic acid: influence of the preparation method and calcination temperature
publisher	Department of Chemistry, Universitas Gadjah Mada
publishDate	2020
url	https://doaj.org/article/b4f521ed93dd4c9489a623fb61f4be88
work_keys_str_mv	AT norainirazali mixedoxidecatalystfortheoxidationofglyceroltolacticacidinfluenceofthepreparationmethodandcalcinationtemperature AT ahmadzuhairiabdullah mixedoxidecatalystfortheoxidationofglyceroltolacticacidinfluenceofthepreparationmethodandcalcinationtemperature
_version_	1718394595409133568

Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature

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