Methyl glycolate is a good solvent and can be used as feedstock for the synthesis of some important organic chemicals.Catalytic hydrogenation of dimethyl oxalate(DMO)over copper-silver catalyst supported on silica was...Methyl glycolate is a good solvent and can be used as feedstock for the synthesis of some important organic chemicals.Catalytic hydrogenation of dimethyl oxalate(DMO)over copper-silver catalyst supported on silica was studied.The Cu-Ag/SiO2 catalyst supported on silica sol was prepared by homogeneous deposition-precipitation of the mixture of aqueous euprammonia complex and silica sol.The proper active temperature of Cu-Ag/SiO2 catalyst for hydrogenation of DMO was 523-623 K.The most preferable reaction conditions for methyl glycolate(MG)were optimized:temperature at 468-478 K,40-60 mesh catalyst diameter,H2/DMO ratio 40,and 1.0 h^-1 of LHSV.展开更多
摘要Methyl glycolate is a good solvent and can be used as feedstock for the synthesis of some important organic chemicals.Catalytic hydrogenation of dimethyl oxalate(DMO)over copper-silver catalyst supported on silica was studied.The Cu-Ag/SiO2 catalyst supported on silica sol was prepared by homogeneous deposition-precipitation of the mixture of aqueous euprammonia complex and silica sol.The proper active temperature of Cu-Ag/SiO2 catalyst for hydrogenation of DMO was 523-623 K.The most preferable reaction conditions for methyl glycolate(MG)were optimized:temperature at 468-478 K,40-60 mesh catalyst diameter,H2/DMO ratio 40,and 1.0 h^-1 of LHSV.