Lewis acid Ni/Al-MCM-41 catalysts for H2-free deoxygenation of Reutealis trispermaoil to biofuels

Reva Edra Nugraha and Didik Prasetyoko and Hasliza Bahruji and Suprapto Suprapto and Nurul Asikin-Mijan and Titie Prapti Oetami and Aishah Abdul Jalil and Dai-Viet N. Vo and Yap, Taufiq Yun Hin (2021) Lewis acid Ni/Al-MCM-41 catalysts for H2-free deoxygenation of Reutealis trispermaoil to biofuels. RSC Advances, 11. pp. 21885-21896. ISSN 2046-2069

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URL: https://pubmed.ncbi.nlm.nih.gov/35480811/

Abstract

The activity of mesoporous Al-MCM-41 for deoxygenation of Reutealis trisperma oil (RTO) was enhanced via modification with NiO nanoparticles. Deoxygenation at atmospheric pressure and under H2 free conditions required acid catalysts to ensure the removal of the oxygenated fragments in triglycerides to form liquid hydrocarbons. NiO at different weight loadings was impregnated onto Al-MCM-41 and the changes of Lewis/Brønsted acidity and mesoporosity of the catalysts were investigated. The activity of Al-MCM-41 was enhanced when impregnated with NiO due to the increase of Lewis acidity originating from NiO nanoparticles and the mesoporosity of Al-MCM-41. Increasing the NiO loading enhanced the Lewis acidity but not Brønsted acidity, leading to a higher conversion towards liquid hydrocarbon yield. Impregnation with 10% of NiO on Al-MCM-41 increased the conversion of RTO to hydrocarbons via the deoxygenation pathway and reduced the products from cracking reaction, consequently enhancing the green diesel (C11–C18) hydrocarbon products.

Item Type:	Article
Keyword:	Reutealis trisperma oil , RTO , Biofuels
Subjects:	T Technology > TP Chemical technology > TP1-1185 Chemical technology
Department:	FACULTY > Faculty of Science and Natural Resources
Depositing User:	SAFRUDIN BIN DARUN -
Date Deposited:	19 May 2022 09:41
Last Modified:	19 May 2022 09:41
URI:	https://eprints.ums.edu.my/id/eprint/32610

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