Staff View: Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production

Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production

The dwindling of global petroleum deposits and worsening environmental issues have triggered researchers to find an alternative energy such as biodiesel. Biodiesel can be produced via transesterification of vegetable oil or animal fat with alcohol in the presence of a catalyst. A heterogeneous catal...

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Main Authors:	Ooi, Hui Khim, Koh, Xin Ning, Ong, Hwai Chyuan, Lee, Hwei Voon, Mohd Sufri Mastuli, Yap, Taufiq Yun Hin, Fahad A. Alharthi, Abdulaziz Ali Alghamdi, Nurul Asikin Mijan
Format:	Article
Language:	English
Published:	Molecular Diversity Preservation International (MDPI) 2021
Subjects:	TP315-360 Fuel TP670-699 Oils, fats, and waxes
Online Access:	https://eprints.ums.edu.my/id/eprint/42452/1/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/42452/ https://doi.org/10.3390/catal11020194
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spelling	my.ums.eprints.424522024-12-31T01:18:24Z https://eprints.ums.edu.my/id/eprint/42452/ Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production Ooi, Hui Khim Koh, Xin Ning Ong, Hwai Chyuan Lee, Hwei Voon Mohd Sufri Mastuli Yap, Taufiq Yun Hin Fahad A. Alharthi Abdulaziz Ali Alghamdi Nurul Asikin Mijan TP315-360 Fuel TP670-699 Oils, fats, and waxes The dwindling of global petroleum deposits and worsening environmental issues have triggered researchers to find an alternative energy such as biodiesel. Biodiesel can be produced via transesterification of vegetable oil or animal fat with alcohol in the presence of a catalyst. A heterogeneous catalyst at an economical price has been studied widely for biodiesel production. It was noted that various types of natural waste shell are a potential calcium resource for generation of bio-based CaO, with comparable chemical characteristics, that greatly enhance the transesterification activity. However, CaO catalyzed transesterification is limited in its stability and studies have shown deterioration of catalytic reactivity when the catalyst is reused for several cycles. For this reason, different approaches are reviewed in the present study, which focuses on modification of waste-shell derived CaO based catalyst with the aim of better transesterification reactivity and high reusability of the catalyst for biodiesel production. The catalyst stability and leaching profile of the modified waste shell derived CaO is discussed. In addition, a critical discussion of the structure, composition of the waste shell, mechanism of CaO catalyzed reaction, recent progress in biodiesel reactor systems and challenges in the industrial sector are also included in this review. Molecular Diversity Preservation International (MDPI) 2021 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/42452/1/FULL%20TEXT.pdf Ooi, Hui Khim and Koh, Xin Ning and Ong, Hwai Chyuan and Lee, Hwei Voon and Mohd Sufri Mastuli and Yap, Taufiq Yun Hin and Fahad A. Alharthi and Abdulaziz Ali Alghamdi and Nurul Asikin Mijan (2021) Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production. Catalysts, 11. pp. 1-26. https://doi.org/10.3390/catal11020194
institution	Universiti Malaysia Sabah
building	UMS Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Sabah
content_source	UMS Institutional Repository
url_provider	http://eprints.ums.edu.my/
language	English
topic	TP315-360 Fuel TP670-699 Oils, fats, and waxes
spellingShingle	TP315-360 Fuel TP670-699 Oils, fats, and waxes Ooi, Hui Khim Koh, Xin Ning Ong, Hwai Chyuan Lee, Hwei Voon Mohd Sufri Mastuli Yap, Taufiq Yun Hin Fahad A. Alharthi Abdulaziz Ali Alghamdi Nurul Asikin Mijan Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
description	The dwindling of global petroleum deposits and worsening environmental issues have triggered researchers to find an alternative energy such as biodiesel. Biodiesel can be produced via transesterification of vegetable oil or animal fat with alcohol in the presence of a catalyst. A heterogeneous catalyst at an economical price has been studied widely for biodiesel production. It was noted that various types of natural waste shell are a potential calcium resource for generation of bio-based CaO, with comparable chemical characteristics, that greatly enhance the transesterification activity. However, CaO catalyzed transesterification is limited in its stability and studies have shown deterioration of catalytic reactivity when the catalyst is reused for several cycles. For this reason, different approaches are reviewed in the present study, which focuses on modification of waste-shell derived CaO based catalyst with the aim of better transesterification reactivity and high reusability of the catalyst for biodiesel production. The catalyst stability and leaching profile of the modified waste shell derived CaO is discussed. In addition, a critical discussion of the structure, composition of the waste shell, mechanism of CaO catalyzed reaction, recent progress in biodiesel reactor systems and challenges in the industrial sector are also included in this review.
format	Article
author	Ooi, Hui Khim Koh, Xin Ning Ong, Hwai Chyuan Lee, Hwei Voon Mohd Sufri Mastuli Yap, Taufiq Yun Hin Fahad A. Alharthi Abdulaziz Ali Alghamdi Nurul Asikin Mijan
author_facet	Ooi, Hui Khim Koh, Xin Ning Ong, Hwai Chyuan Lee, Hwei Voon Mohd Sufri Mastuli Yap, Taufiq Yun Hin Fahad A. Alharthi Abdulaziz Ali Alghamdi Nurul Asikin Mijan
author_sort	Ooi, Hui Khim
title	Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
title_short	Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
title_full	Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
title_fullStr	Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
title_full_unstemmed	Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
title_sort	progress on modified calcium oxide derived waste-shell catalysts for biodiesel production
publisher	Molecular Diversity Preservation International (MDPI)
publishDate	2021
url	https://eprints.ums.edu.my/id/eprint/42452/1/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/42452/ https://doi.org/10.3390/catal11020194
_version_	1821003219359236096
score	13.226497

Progress on modified calcium oxide derived waste-shell catalysts for biodiesel production

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