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Co-methanation of CO and CO2 on the NiX-Fe1− X/Al2O3 catalysts; effect of Fe contents
Suk-Hwan Kang,Yong-Done Yoo,Jae-Hong Ryu,Jin-Ho Kim,Seok-Jung Seo,Potharaju S. Sai Prasad,Hyo-Jun Lim,Chang-Dae Byun 한국화학공학회 2011 Korean Journal of Chemical Engineering Vol.28 No.12
The co-methanation of carbon dioxide containing syngas was carried out on Al2O3 supported NixFe1−x (x is 0.1, 0.3, 0.5, 0.7 and 0.9) catalysts for synthetic natural gas (SNG) production. The catalysts were prepared by wetimpregnation method taking 20 weight percent of the metallic component over the support, and its characteristics were analyzed by BET surface area, XRD and H2-TPR. The maximum carbon conversion and CH4 selectivity are achieved on Ni0.7Fe0.3/Al2O3 catalyst. Further, increase of Fe content led to enhancing the water gas shift reaction and hydrocarbon formation.