The LaCo 0.7 X 0.3 O 3 (X=Co, Ni, Cu, Ga, Fe) perovskite catalyst was prepared by the sol-gel method, and the effect of the partially substituted catalyst at the B-site for the hydrogenation of CO 2 to methane reaction was studied. XRD, H 2 -TPR, TEM, BET, CO 2 -TPDand XPS technologies were used...

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