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采用0.3~2.0 mol/dm3 的硫酸水溶液浸渍预焙烧过的二元氧化物, 然后在450~650 ℃ 的温度下焙烧3~5 h, 制得SiO2/ZrO2 摩尔比为1∶9~30的SO42-/ZrO2-SiO2催化剂.ZrO2-SiO2 二元氧化物前体由沉淀/混合沉淀法制得.对于乙酸/丁醇酯化反应,所制得的催化剂的活性比传统的SO2-4/ZrO2催化剂高6~10倍.考察了SiO2/ZrO2摩尔比,硫酸水溶液浓度,预焙烧温度和焙烧温度等制备条件对催化剂活性的影响.SiO2/ZrO2摩尔比为10~15,以1.0 mol/dm3 硫酸溶液浸渍,且在550℃温度下焙烧制得的催化剂表现出最好的催化活性.“,”A new type of superacid catalysts, SO2-4/ZrO2-SiO2, in which the molar ratios of SiO2/ZrO2 range from 0.11 to 30, has been prepared by impregnating the pre_calcined binary oxides with 0.3 to 2.0 mol/dm3 H2SO4 aqueous solutions, followed by calcining at 450 to 650℃ for 3 to 5 hours. The precursor ZrO2-SiO2 binary oxides were prepared by a precipitating/mixing_precipitate method. The prepared catalyst showed an activity six to ten times higher than the traditional SO2-4/ZrO2 catalyst for the esterification of acetic acid with butanol. The effects of some preparation conditions, such as the molar ratio of SiO2/ZrO2, the concentration of H2SO4 aqueous solution, the pre_calcining temperature and calcination temperature on the catalytic activity were investigated. The catalyst with ratio of SiO2/ZrO2 of 10 to 15 and soaked with 1.0 mol/dm3 sulfuric acid solution and calcined at 550 ℃ showed the best activity.