摘要
NiO/ZrO2/Al2O3 catalysts of the double dispersion were prepared by microwave and vacuum impregnation technique.The dispersion,structure and surface performance of the catalysts were studied by X-ray,XRD,FT-IR,TPR,TPD,BET surface area and pore distribution techniques.The activity and stability of the catalysts were investigated.The results show that the double dispersion catalyst has much higher activity for CO2 reforming of CH4.Conversion of CO2 and CH4 and selectivity of CO and H2 were above 95% and 96% at 800℃,respectively.The CO/H2 ratio was from 0.94 to 1.2 and the coke deposition was only 1.8% after 180h of the reaction.
NiO/ZrO2/Al2O3 catalysts of the double dispersion were prepared by microwave and vacuum impregnation technique. The dispersion,structure and surface performance of the catalysts were studied by X- ray,XRD,FT- IR,TPR,TPD,BET surface area and pore distribution techniques. The activity and stability of the catalysts were investigated. The results show that the double dispersion catalyst has much higher activity for CO2 reforming of CH4. Conversion of CO2 and CH4 and selectivity of CO and H2 were above 95% and 96% at 800℃ ,respectively. The CO/H2 ratio was from 0. 94 to 1.2 and the coke deposition was only 1.8% after 180h of the reaction.
出处
《化学研究与应用》
CAS
CSCD
北大核心
2006年第6期693-697,共5页
Chemical Research and Application
基金
高等学校博士学科点专项科研基金(2004043001)资助项目
江西省教育厅科学研究资助项目
关键词
微波技术
CO2重整CH4
双单层分散
复合载体
microwave technique
CO2 reforming of CH4
double dispersion
composite support
