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Methyl acetate(MA)hydrogenation to ethanol was comparatively investigated over SiO2 supported copper(Cu/SiO2)catalysts,prepared by different methods including ammonia evaporation(AE),urea hydrolysis(UH),incipient wetness impregnation(IWI)and ethylene glycol-added incipient wetness impregnation(EG-IWI).