期刊
CHEMICAL ENGINEERING SCIENCE
卷 62, 期 18-20, 页码 4998-5000出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2006.12.017
关键词
catalysis; catalyst selectivity; catalyst support; fuel; methane; reforming; CO2; Rh
The CO2 reforming of methane on the Rh/Al2O3 catalyst was performed using a flow microreactor at 773-973 K. The effects of the catalyst pretreatment, the ratio of CH4/CO2 and the CeO2 support were studied. The oxidized/reduced Rh/Al2O3 catalyst had a higher activity and the addition Of CO2 significantly enhanced the CH4 reforming to form H-2 and reduced the catalyst deactivation caused by carbon deposition on the active sites. The Rh/CeO2 catalyst was less active during the CH4 reforming with CO2 addition than the Rh/Al2O3 catalyst based on the catalyst weight, whereas the areal activity of Rh/CeO2 was close to Rh/Al2O3. (c) 2007 Published by Elsevier Ltd.
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