Catalytic deoxygenation of waste cooking oil utilizing nickel oxide catalysts over various supports to produce renewable diesel fuel

Wan Nor Adira Wan Khalit and N. Asikin-Mijan and Tengku Sharifah Marliza and M. Safa Gamal and Mohd Razali Shamsuddin and Mohd Izham Saiman and Yap, Taufiq Yun Hin (2021) Catalytic deoxygenation of waste cooking oil utilizing nickel oxide catalysts over various supports to produce renewable diesel fuel. Biomass and Bioenergy, 154 (106248). pp. 1-15. ISSN 0961-9534

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Abstract

The development of renewable diesel fuel from the deoxygenation of non-edible oil is an alternative to non-renewable fuels. Herein, the evaluation of catalytic deoxygenation of waste cooking oil (WCO) over supported Ni-based catalysts was investigated. A series of Ni-based catalysts supported on activated carbon (AC), reduced graphene oxide (rGO), and beta zeolite (Zeo) were prepared via the wet-impregnation method and later carbonised under N2 flow at 550 °C for 4 h. Addition of Ni to AC improves the good physicochemical properties of the catalyst, owing to the high number of acid-base sites, high surface area, smaller crystallite size, and high pore volume of the catalyst. From the catalytic results, Ni20/AC was the most active catalyst by giving 90% hydrocarbon yield and 89% selectivity towards n-(C15 + C17) under H2-free and solvent-free conditions for 3 h at 350 °C and 300 rpm. Furthermore, it was stable up to the fourth cycle with consistent hydrocarbon yield (85–87%) and 66–77% selectively towards n-(C15 + C17). Overall, Ni20/AC shows highly promising catalytic performance due to its good physiochemical properties and high catalyst stability.

Item Type:	Article
Keyword:	Activated carbon , Deoxygenation , Reduced graphene oxide , Green diesel , Nickel , Waste cooking oil
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:	18 May 2022 11:57
Last Modified:	18 May 2022 11:57
URI:	https://eprints.ums.edu.my/id/eprint/32571

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