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以不同晶相的TiO2为载体,利用沉积.沉淀法制备了Au/TiO2催化剂,并将其用于巴豆醛选择性加氢反应,考察了TiO2晶相和还原温度对Au/TiO2催化剂性能的影响.结果表明,锐钛矿比金红石更有利于提高巴豆醇选择性,而复合相TiO2载体既可增加Au的催化活性,又可提高巴豆醇选择性.此外,高温还原能促进Au/TiO2催化剂对C=O的选择性加氢,当还原温度为500℃时,产物中巴豆醇是丁醛的2.7倍.

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