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中文摘要：
以乙炔选择性加氢为模型反应，探讨了载体TiO2的制备条件对催化剂Pd／TiO2催化性能的影响：实验结果表明，在pH=8．0，中速加钛源，陈化24h，500℃焙烧3h的最佳制备条件下，Pd／TiO2的催化性能最佳。TiO2的结构经XRD和BET表征。
英文摘要：
TiO2 supports were prepared and used in supported palladium catalysts for selective hydrogenation of acetylene. The preparation conditions of pH = 8.0, 24 h aging and calcining at 500 ℃ for 3 h gave the TiO2-supported Pd catalyst with better performance in hydrogenation of acetylene.
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