用DSC - TG对前躯体进行了差热分析。
该催化剂的制备方法依次包 括以下工艺：前躯体配制、晶化、二次晶化、成型和煅烧。
The preparation method for the catalyst comprises the following processes in turn: precursor preparation, crystallization, secondary crystallization, molding and calcination.
采用柠檬酸法制备了钙钛矿镍酸镧，并将其作为催化剂的前躯体用于二氧化碳甲烷化反应中。
In this study, LaNiO3 perovskite catalysts were prepared by citrate method and used for carbon dioxide(CO2) methanation.
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