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甲烷催化氧化偶联制C_2(C_2H_(5)+C_2H_4)是获取廉价乙烯原料新的可能途径,已引起了各国催化工作者的广泛重视.本文研究了在稀土钙钛矿型氧化物NdMO_3(M=Co、Mn)上添加碱金属碳酸盐后对甲烷氧化偶联(OCM)的催化活性,探讨了助剂种类和浓度对催化活性影响的规律.
Catalytic oxidative coupling of methane to C_2H_ (5) + C_2H_4 is a new possible way to obtain cheap ethylene feedstock, which has aroused widespread attention of catalytic workers in many countries.In this paper, the effects of rare earth perovskite oxides NdMO_3 (M = Co, Mn) on the catalytic activity of methane oxidation coupling (OCM), and discussed the influence of the types and concentrations of additives on the catalytic activity.