La_2O_3助剂对甲烷干燥重整催化剂Ni-γ-Al_2O_3支撑作用的研究(英文)

查看全文 作　　者：Ahmed S.Al-[1]Fatesh;Muhammad [1]A.Naeem;Anis [1]H.Fakeeha;Ahmed [1]E.Abasaeed

机构地区：[1]Chemical Engineering Department, College of Engineering, King Saud University

出　　处：《Chinese Journal of Chemical Engineering》索引2014年第22卷第1期,共10页

基　　金：the Deanship of Scientific Research at KSU for funding the work through the research group Project # RGP-VPP119 摘　　要：The nature of support and type of active metal affect catalytic performance.In this work,the effect of using La2O3 as promoter and support for Ni/γ-Al2O3 catalysts in dry reforming of methane was investigated.The reforming reactions were carried out at atmospheric pressure in the temperature range of 500-700°C.The activity and stability of the catalyst,carbon formation,and syngas(H2/CO)ratio were determined.Various techniques were applied for characterization of both fresh and used catalysts.Addition of La2O3to the catalyst matrix improved the dispersion of Ni and adsorption of CO2,thus its activity and stability enhanced. 关键词：甲烷重整 Α-AL2O3 催化剂氧化镧 H2 CO 催化活性 LA2O3 催化性能

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La_2O_3助剂对甲烷干燥重整催化剂Ni-γ-Al_2O_3支撑作用的研究(英文)

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