通过对钴和镧的单一氧化物、混合氧化物及具有钙钛矿结构的复合氧化物（ＬａＣｏＯ３等）上ＣＯ还原ＳＯ２脱硫反应的活性以及钴镧氧化物在反应条件下活化过程的考察，指出钙钛矿结构促进了活性晶相Ｌａ２Ｏ２Ｓ和ＣｏＳ２的生成，增强了钴和镧在活化硫化及脱硫反应中的协同效应． Through the investigation of the activity of SO2 desulfurization on CO on single oxides, mixed oxides of cobalt and lanthanum, mixed oxides and composite oxides having a perovskite structure (LaCoO3, etc.), and the activation of cobalt lanthanum oxides under the reaction conditions, The perovskite structure promotes the formation of the active crystalline phases La2O2S and CoS2 and enhances the synergistic effect of cobalt and lanthanum in the activation vulcanization and the desulfurization reaction.