Biomass volatile gasification using dolomite and dolomite-NI/AL₂Oɜ combinations

Li, Liuyun and Otake, Yohei and Shimizu, Tadaaki (2024) Biomass volatile gasification using dolomite and dolomite-NI/AL₂Oɜ combinations. International Journal of Biomass & Renewables (Malaysia), 13 (1). pp. 9-15. ISSN 2289-1692

Biomass volatile decomposition and gasification were discussed in a fixed reaction system using calcined dolomite and a combination of dolomite and Ni/Al2O3. Biomass volatiles converted effectively under calcined dolomite at catalytic temperatures between 600-800°C, and H2 was obtained as the dominant product gas. The higher temperature of dolomite resulted in more volatile gasification and less carbon distribution in undecomposed tar and coke deposits. The combined use of dolomite and Ni/Al2O3 catalyst resulted in efficient tar conversion at relatively low temperatures, e.g., at 650°C, carbon distribution in the undecomposed tar was obtained as low as 0.8%. Furthermore, by placing dolomite upstream of the nickel catalyst, more biomass volatiles were converted into gases, and coke deposition on the catalysts was suppressed notably. Consequently, long-term catalyst stability was achieved with the combined use of these two catalysts.

Full text available from: Official URL: https://myjms.mohe.gov.my/index.php/ijbr/article/v...

Abstract

Biomass volatile decomposition and gasification were discussed in a fixed reaction system using calcined dolomite and a combination of dolomite and Ni/Al2O3. Biomass volatiles converted effectively under calcined dolomite at catalytic temperatures between 600-800°C, and H2 was obtained as the dominant product gas. The higher temperature of dolomite resulted in more volatile gasification and less carbon distribution in undecomposed tar and coke deposits. The combined use of dolomite and Ni/Al2O3 catalyst resulted in efficient tar conversion at relatively low temperatures, e.g., at 650°C, carbon distribution in the undecomposed tar was obtained as low as 0.8%. Furthermore, by placing dolomite upstream of the nickel catalyst, more biomass volatiles were converted into gases, and coke deposition on the catalysts was suppressed notably. Consequently, long-term catalyst stability was achieved with the combined use of these two catalysts.

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Item Type:	Article
AGROVOC Term:	biomass
AGROVOC Term:	hydrogen
AGROVOC Term:	gasification
AGROVOC Term:	catalysis
AGROVOC Term:	dolomite
AGROVOC Term:	catalysts
AGROVOC Term:	gas production
AGROVOC Term:	efficiency
Geographical Term:	Japan
Uncontrolled Keywords:	biomass volatile gasification, catalyst stability, coke suppression, dolomite
Depositing User:	Nor Hasnita Abdul Samat
Date Deposited:	23 Feb 2026 04:49
Last Modified:	23 Feb 2026 04:49
URI:	http://webagris.upm.edu.my/id/eprint/2651

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