Some Aspects of the Mechanisms of Catalytic Reforming Reactions
Some Aspects of the Mechanisms of Catalytic Reforming Reactions
复制标题
催化重整反应机理的某些方面
DOI：
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发表时间：
1997
期刊：
影响因子：
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通讯作者：
Z. Paâl
中科院分区：
文献类型：
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作者：
P. G. Menon;Z. Paâl
简要回顾了近40年来我们对催化重整反应机理的研究进展。早期的双功能反应机理虽然受到了很多批评，但首先导致了对重整过程的理解和优化，后来又产生了其他几种催化剂和工艺创新。使用单一碳氢化合物作为反应物的模型催化剂的动力学和示踪研究以及表面科学方法揭示了所涉及的机理的细微差别。同时，人们也或多或少地了解了S、氯、焦炭和氢以及第二种金属成分如Re、Ir或Sn在工业催化剂中的作用。所有这些结果使得重整反应的机理成为基础催化和工业催化中一个令人着迷的复杂领域。
A brief review is given of the evolution of our ideas on the mechanism of catalytic reforming reactions over the last 40 years. The early bifunctional reaction mechanism, though criticized much, led first to an understanding and optimization of the reforming process and later to several other catalyst and process innovations. Kinetic and tracer studies on model catalysts using single hydrocarbons as reactants and the surface-science approach revealed the finer nuances of the mechanism involved. Simultaneously, the roles of S, Cl, coke, and hydrogen and of a second metal component like Re, Ir, or Sn in the industrial catalyst were also understood to a greater or lesser extent. All these results make the mechanism of reforming reactions a field of fascinating complexity in fundamental and industrial catalysis.