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丙烷脱氢反应中载体和助剂对Pt基催化剂性能的影响
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Abstract:
丙烷脱氢制丙烯近年来受到学术界广泛关注。Pt基催化剂具有生态环保、催化活性高的优点，但是在高温的反应条件下仍然会发生失活现象，失活原因主要归结于：铂的烧结和积碳的产生。由于目前所使用的催化剂大多数是负载型催化剂，载体和所添加的助剂均会影响催化剂的性能表现。所以，本文较为系统地讨论了Pt基催化剂中载体和助剂对催化剂性能的影响，为今后制备出性能更加优异的Pt基催化剂做一定的参考。
Propane dehydrogenation to propylene has attracted extensive attention in academia in recent years. Pt-based catalyst has the advantages of ecological protection and high catalytic activity, but deactivation still occurs under high-temperature reaction conditions. The reasons for deactivation are mainly attributed to the sintering of platinum and the production of carbon deposition. Since most of the catalysts used at present are supported catalysts, supports and promoters will affect the performance of the catalyst. Therefore, this paper systematically discussed the impact of supports and promoters on the performance of the Pt-based catalyst, for the future preparation of more excellent performance of the Pt-based catalyst as a reference.
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