Effect of steam and catalyst on palm oil wastes thermal decomposition for hydrogen production

Khan, Z. and Yusup, S. and Murni Melati, A. and Ramli, A. and Mohammad Taufiq, A. and Sharifah Shahidah, A. and Mas Fatiha, M. and Shi Eda, E.M. and Inayat, A. (2011) Effect of steam and catalyst on palm oil wastes thermal decomposition for hydrogen production. Research Journal of Chemistry and Environment, 15 (2). pp. 466-472. ISSN 09720626

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Abstract

The thermal decomposition of palm oil wastes in the form of palm shell and palm oil fronds in the presence of steam and catalyst was experimentally investigated using thermogravimetric analyzer-gas chromatography (TGA-GC). The hydrogen gas composition was observed for palm oil wastes thermal decomposition i) under inert atmosphere (no steam), ii) in steam gasification and Hi) in catalytic steam gasification using a newly developed bi metallic catalyst Detailed discussion has been made for product gas composition profiles at steam-to-biomass ratio of 1 and biomass-to-catalyst ratio of 3. Maximum H 2 content up to 64 mol and 50 mol in product gas was observed for palm shell and palm oil fronds, respectively, in the catalytic steam gasification. The usage of steam has almost increased H 2 content by 28 for both palm oil wastes. The catalyst usage in the steam gasification increased H 2 content by 12.5 and 6 for palm shell and palm oil fronds, respectively. Moreover, CO 2 concentration in the product gas was reduced in steam gasification where CO concentration was decreased in catalytic steam gasification. This decrease in CO concentration is due to the bi metallic catalyst activity on water gas shift reaction.

Item Type: Article
Additional Information: cited By 25
Uncontrolled Keywords: biomass; carbon monoxide; catalyst; chemical composition; concentration (composition); decomposition; evergreen tree; experimental study; gas chromatography; gas production; hydrogen; observational method; temperature effect; thermogravimetry; vegetable oil
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:50
Last Modified: 09 Nov 2023 15:50
URI: https://khub.utp.edu.my/scholars/id/eprint/2063

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