Catalytic hydrothermal liquefaction of empty fruit bunch in subcritical water over bimetallic modified zeolite

N.M. Nurul Suziana and N. Asikin-Mijan and Z. Zulkarnain and Yap, Taufiq Yun Hin (2021) Catalytic hydrothermal liquefaction of empty fruit bunch in subcritical water over bimetallic modified zeolite. Chemical Engineering Research and Design, 183. pp. 250-262. ISSN 0263-8762

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Abstract

Catalytic hydrothermal liquefaction of empty fruit bunch (EFB) with no added H2 effectively produces biomass derived fuel or known as bio-oil. In this study, a bimetallic modified zeolite (BaNi, BaLa and BaCe/CHZSM5) catalyst with a series of dosage ratio (1:1, 1:2 and 2:1) was used for the EFB conversion to bio-oil. Ni, La and Ce addition to the Ba/CHZSM5 showed significant changes on the physicochemical properties of catalysts and exhibited enhanced catalytic performance. The activity-structure correlation revealed that EFB conversion and bio-oil yield were favoured on bimetallic modified CHZSM5 and the most effective catalyst was Ba1La2/CHZSM5. Brunauer–Emmett–Teller (BET) surface area measurement and temperature programmed desorption of ammonia (TPD-NH3) results confirmed that high surface area and rich acidic sites of Ba1La2/CHZSM5 catalyst eventually enhanced the catalytic activity in HTL of EFB. Comparing to other bimetallic modified catalyst, the desirable aromatic and aliphatic hydrocarbon also predominated over Ba1La2/CHZSM5 catalysed reaction which demonstrated that this catalyst have a good ability in produce high quality of bio-oil with less oxygenated compounds.

Item Type:	Article
Keyword:	Bimetallic , EFB , HZSM-5 , Hydrothermal liquefaction
Subjects:	T Technology > TP Chemical technology > TP1-1185 Chemical technology
Department:	FACULTY > Faculty of Science and Natural Resources
Depositing User:	DG MASNIAH AHMAD -
Date Deposited:	26 Jul 2022 16:22
Last Modified:	26 Jul 2022 16:22
URI:	https://eprints.ums.edu.my/id/eprint/33549

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