催化作用
甲醇
钯
氢
二氧化碳
选择性
化学
巴(单位)
无机化学
耐久性
水煤气变换反应
材料科学
化学工程
有机化学
复合材料
工程类
物理
气象学
标识
DOI:10.1016/0926-860x(93)80152-g
摘要
A Pd/CeO2 catalyst reduced by flowing hydrogen at 500° C for 1 h was found to be an excellent catalyst for the hydrogenation of CO2 to methanol. At 230°C and 30 bar, the C02 conversion was 3% while methanol selectivity reached 90% even if the composition of reactant gas was CO2 : H2 = 1:3. The durability of this catalyst was also extremely high. The effect of the reaction temperature, the contact time of the reactants as well as the CO2/H2 ratio on the reaction performance were investigated. The reaction mechanism is discussed.
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