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Environmental Engineering Research 2002;7(3): 185-189. DOI: https://doi.org/10.4491/eer.2002.7.3.185
THE EFFECT OF OXYGEN IN CARBON DIOXIDE REFORMING OF METHANE OVER A RH(5 wt%)/ A12O3 CATALYST
Ho Joon Seo
Department of Chemical Engineering, Yosu National University, Yosu 550-749, Korea
Corresponding Author: Ho Joon Seo ,Tel: +82-061-659-3294, Fax: +82-061-653-3659, Email: hjseo@yosu.ac.kr
Received: January 7, 2002;  Accepted: August 6, 2002.
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ABSTRACT
The effect of oxygen in carbon dioxide reforming of methane to eliminate the green house gas over a Rh(5 wt%)/Al203 catalyst was discussed based on the results of reaction in a fixed bed reactor under atmospheric condition and also on analysis results by SEM, FT-IR, and XRD. The added oxygen with 6.0 mol% of the feed did not only enhance the catalytic activity, but also seemed to almost completely prevent the carbon deposition on the Rh(5 wt%)/Al203 catalyst surface. It could be suggested that the oxygen stimulates redispersion of Rh by providing oxidative atmosphere.
Keywords: carbon dioxide reforming | methane | oxygen | redispersion | Rh/A12O3
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