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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received March 20, 2007
Accepted January 17, 2008

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Partial oxidation reforming of biomass fuel gas over nickel-based monolithic catalyst with naphthalene as model compound

Chen Guang Wang^{1 2} Tie Jun Wang^{1 3†} Long Long Ma^{1 3} Yan Gao^{1 2} Chuang Zhi Wu^{1 3}

¹Guangzhou Institute of Energy Conversion, Chinese Academy Sciences, Guangzhou, 510640, China ²Graduate University of Chinese Academy Sciences, Beijing, 100039, China ³Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy Sciences, Guangzhou, 510640, China

Wangtj@ms.giec.ac.cn

Korean Journal of Chemical Engineering, July 2008, 25(4), 738-743(6), 10.1007/s11814-008-0121-3

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Abstract

With naphthalene as biomass tar model compound, partial oxidation reforming (with addition of O2) and dry reforming of biomass fuel gas were investigated over nickel-based monoliths at the same conditions. The results showed that both processes had excellent performance in upgrading biomass raw fuel gas. Above 99% of naphthalene was converted into synthesis gases (H2+CO). About 2.8 wt% of coke deposition was detected on the catalyst surface for dry reforming process at 750 oC during 108 h lifetime test. However, no coke deposition was detected for partial oxidation reforming process, which indicated that addition of O2 can effectively prohibit the coke formation. O2 can also increase the CH4 conversion and H2/CO ratio of the producer gas. The average conversion of CH4 in dry and partial oxidation reforming process was 92% and 95%, respectively. The average H2/CO ratio increased from 0.95 to 1.1 with the addition of O2, which was suitable to be used as synthesis gas for dimethyl ether (DME) synthesis.

Keywords

Biomass Fuel Gas Monolithic Catalyst Partial Oxidation Reforming Tar Elimination

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