Sol-gel-generated La2NiO4 for CH4/CO2 reforming

被引:56
作者
Liu, BS
Au, CT
机构
[1] Hong Kong Baptist Univ, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Baptist Univ, Ctr Surface Anal & Res, Hong Kong, Hong Kong, Peoples R China
[3] Tianjin Univ, Dept Chem, Tianjin 300072, Peoples R China
关键词
CH4/CO2; reforming; sol-gel-generated La2NiO4; CARBON-DIOXIDE; SYNTHESIS GAS; METHANE; NICKEL; CATALYST; CH4; DEPOSITION; REDUCTION; NI/LA2O3; SUPPORT;
D O I
10.1023/A:1022133511420
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A stable La2NiO4 catalyst active in CH4/CO2 reforming has been prepared by a sol gel method. The catalyst was characterized by techniques such as XRD, BET, TPR and TG/DTG. The results show that the conversions of CH4 and CO2 in CH4/CO2 reforming over this catalyst are significantly higher than those over a Ni/La2O3 catalyst prepared by wet impregnation and those over a La2NiO4/gamma-Al2O3 catalyst. The TG/DTG outcome confirmed that the amount of carbon deposition observed in the former case was less than that observed in the latter two cases, a phenomenon attributable to the uniform dispersion of nanoscale Ni particles in the sol gel-generated La2NiO4 catalyst.
引用
收藏
页码:165 / 170
页数:6
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