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首页> 外文期刊>Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications >Microwave assisted synthesis of Sn-modified MgAlO as support for platinum catalyst in cyclohexane dehydrogenation to cyclohexene
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Microwave assisted synthesis of Sn-modified MgAlO as support for platinum catalyst in cyclohexane dehydrogenation to cyclohexene

机译：微波辅助合成Sn修饰MgAlO作为环己烷脱氢制环己烯中铂催化剂的载体

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摘要

This paper described an investigation on catalytic properties of Pt nanoparticles supported on hydrotalcite-like oxide (MgAl(Sn)O) calcinated by microwave for cyclohexane dehydrogenation to cyclohexene. The PtSn catalysts were investigated with several state-of-art characterizations such as BET, XRD, NH3-TPD, H-2-TPR, H-2-TPD and XPS. Particular emphasis was focused on the changes in the Sn-support interaction and in the character of Pt active sites. H-2-TPR showed that the microwave calcination strengthened the interaction between Sn and support. The strengthened interaction could maintain more amounts of Sn in oxidized. H-2-TPD revealed that microwave calcination facilitated Sn in changing the interfacial character between Pt and support. This was beneficial for the migration of carbonaceous materials to the support. These effects resulted in higher activity and stability in cyclohexane dehydrogenation to cyclohexene. (C) 2016 Elsevier B.V. All rights reserved.
机译：本文描述了负载的水滑石状氧化物（MgAl（Sn）O）上负载的Pt纳米颗粒的催化性能的研究，微波氧化后的MgAl（Sn）O用于环己烷脱氢成环己烯。对PtSn催化剂进行了多种最新表征，例如BET，XRD，NH3-TPD，H-2-TPR，H-2-TPD和XPS。特别强调的是锡-载体相互作用和铂活性位点特征的变化。 H-2-TPR表明微波煅烧增强了Sn与载体之间的相互作用。增强的相互作用可以保持更多的锡被氧化。 H-2-TPD揭示了微波煅烧有助于Sn改变Pt与载体之间的界面特性。这有利于碳质材料向载体的迁移。这些作用导致环己烷脱氢成环己烯具有更高的活性和稳定性。 （C）2016 Elsevier B.V.保留所有权利。

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