【摘要】 本文研究了大孔聚苯乙烯系吸附树脂D3520负载的钯-锡催化剂氢化对硝基氯苯的性能及动力学，并对催化剂作了表征。SnO引入有良好的助催化作用。Pd／Sn原子比为0．8时，催化活性较Pd／D3520高50％，选择性为95％，较Pd／D3520提高21．6％。可认为反应速度对底物浓度有一极大值，可能为L-H机理。反应为双分子吸附的表面反应。更多还原

【Abstract】 The catalytic hydrogenation of p-ClC6H4NO2 on catalysts Pd-Sn supported by macro-porous polystyrene-diethenyl benzene adsorption resin (D3520) was investigated. It is showed that the catalyst of Pd/Sn (atom ratio) = 0.8 have highest activity and selectivity for hydrogenolysis. The results of SEM, XRD and XPS studies revealed that the metals were highly dispersed on the catalyst’s surface and there was an interaction between metals.更多还原