本发明属于化工技术领域,具体是一种用于草酸二甲酯气相催化加氢合成乙二醇及乙二醇单甲醚的铜基催化剂及其制备方法。该催化剂以改性后的氧化锆为载体,负载有铜和其他助剂金属。其制备方法为:先采用改善的硬模板法制备氧化锆;对氧化锆进行酸化改性处理;在上述悬浊液中加入可溶性铜盐和可溶性助剂金属盐,使用蒸氨法进行金属 The invention belongs to the technical field of chemical engineering, in particular to a copper-based catalyst used for the vapor phase catalytic hydrogenation of dimethyl oxalate to synthesize ethylene glycol and ethylene glycol monomethyl ether, and a preparation method thereof. The catalyst with modified zirconia as a carrier, loaded with copper and other promoter metals. The preparation method comprises the following steps: firstly adopting the improved hard template method to prepare the zirconium oxide; carrying out the acidification modification treatment on the zirconium oxide; adding the soluble copper salt and the soluble auxiliary metal salt into the suspension,