Catalytic activity and durability of a mesoporous silica-coated Ni-alumina-based catalyst for selective CO methanation
作者: Toshihiro MiyaoJunya TanakaWeihua ShenKatsuhiko HayashiKazutoshi HigashiyamaMasahiro Watanabe
作者单位: 1Fuel Cell Nanomaterials Center, University of Yamanashi, 400-0021 Kofu, Japan
2Mitsui Mining & Smelting Co., Ltd., 1333-2 Haraichi, Ageo-shi, Saitama 362-0021, Japan
刊名: Catalysis Today, 2015, Vol.251 , pp.81-87
来源数据库: Elsevier Journal
DOI: 10.1016/j.cattod.2014.10.018
关键词: Selective CO methanationAlumina-supported Ni-V catalystMesoporous silica coatingDurabilityFe addition
原始语种摘要: Abstract(#br)A mesoporous silica-coated Ni-based catalyst was developed for selective CO methanation, which is a promising candidate as a new hydrogen purification process for residential polymer electrolyte fuel cell systems. The catalytic activity and CO removal ability of the Ni/AlVO x catalyst were significantly improved by the coating of mesoporous silica on the Ni/AlVO x . The Ni-V species transported from the Ni/AlVO x to the coating layer may also act as active sites for CO methanation and thus may have an essential role in the improvement of the catalytic activity. Fe addition to the catalyst was effective for the improvement of catalyst durability due to suppression of the deposition of carbonaceous species during the reaction.
全文获取路径: Elsevier  (合作)
影响因子:2.98 (2012)