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以稀土系列氧化物作为CO还原SO2 和NO的催化剂 ,考察了催化剂的活化过程以及催化剂体相结构的变化 .发现稀土系列氧化物的活化与其水合性能密切相关 ,而活化之后活性相为相应的稀土氧硫化物 .探讨了稀土系列氧化物的活化机理
Rare earth oxides were used as catalysts for the reduction of SO2 and NO by CO, and the activation process and the change of the bulk structure of the catalysts were investigated. It is found that the activation of rare earth oxides is closely related to their hydration performance, while the active phase is the corresponding rare earth Oxygen Sulfide. The activation mechanism of rare earth oxides is discussed