活性炭载体的杂质成分和表面含悦官能团对钯炭催化剂的性能有显著影响。从改性活性炭载体的杂质成分，增加或去除表面含悦官能团的角度综述了近年来活性炭载体的改性对钯炭催化剂性能的影响。文献分析表明：活性炭载体的杂质成分一般会对钯炭催化剂的性能产生负面影响，但在氢化脱氯反应中却起到积极的作用；活性炭载体在液相和气相中悦化，能够增加表面含悦官能团的种类和数量，而惰性气氛下的热处理常被用于恒择性的移去或去除一些官能团；表面官能团的数量和种类决定着贵金属钯前驱体的平衡吸附量，贵金属钯的分散度以及钯的粒径等，从而进一步影响所制备的催化剂的性能。
The impurity composition and surface oxygen-containing groups of activated carbon drama-tically affect the performance of Pd/C catalyst. From the point of view of modifying the impurity compo-sition, increasing or removing the surface oxygen-containing groups, the recent developments on perfor-mance of Pd/C catalyst are discussed. The literature analysis results show that the impurity composition generally have a negative impact on the performance of Pd/C, but in the hydrodechlorination reaction it plays a positive role;the carbon can mainly increase the concentration of surface oxygen groups oxidized by oxidizing gases, while heating under inert atmosphere might be used to selectively remove some of these functions;the amount and species of surface oxygen groups determine the equilibrium uptake of Pd precursor, the Pd dispersion and size, even more the activity and selectivity of the Pd/C catalysts.
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