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CO and CO2 methanation was investigated over Ni catalysts supported on different supports such as γ-Al2O3, SiO2, TiO2, CeO2, and ZrO2. Among them, Ni/CeO2 was determined to be the most active for CO and CO2 methanation. These catalytic activities increased with increasing surface area of CeO2. To increase the specific catalytic activity for CO and CO2 methanation, various Ni-CeO2 catalysts with different...
In this study, urea-assisted homogeneous deposition (HD) strategy is employed to synthesize Vulcan XC-72 (VC)-supported Pt–Ru (40wt%) catalysts under various initial pH conditions. In situ generation of hydroxide ions through hydrolysis of urea at elevated temperature results in HD of Pt–Ru species on the VC support. In addition, it has been found that the initial pH value in the starting solution...
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