不同形貌薄水铝石制备γ-Al2O3及负载Pt稳定性的研究进展

摘要/Abstract

摘要： γ-Al2O3是应用极为广泛的非均相催化剂载体之一，近年来，研究者发现其晶粒微观形貌对表面性质、活性金属Pt等的稳定性具有较大影响。综述了γ-Al2O3前体薄水铝石晶粒形貌的调控、表征技术，及γ-Al2O3晶粒暴露晶面对其表面性质、Pt原子稳定性的影响，对现有研究结果存在的问题进行了探讨，并展望了未来的研究方向。

关键词: γ-Al2O3, 薄水铝石, 晶粒形貌, 表面酸性, 铂

Abstract: γ-Al2O3 is one of the most widely used heterogeneous catalyst carriers. In recent years，researchers have found that γ-Al2O3 crystallite morphologies have a great influence on the surface properties and the stability of the active metals such as Pt. The preparation and characterization techniques of boehmite with different crystallite morphologies and the effects of exposed facets of γ-Al2O3 crystallite on the surface properties of the support and the stability of Pt atoms are reviewed. The problems existing in the present research results are discussed，and the future research directions are prospected.

Key words: γ-Al2O3, boehmite, crystallite morphology, surface acidity, Platinum

中图分类号:

杨彦鹏马爱增聂骥达志坚. 不同形貌薄水铝石制备γ-Al2O3及负载Pt稳定性的研究进展[J]. 石油炼制与化工, 2019, 50(7): 109-118.

Peng YanYang Min Jia Ma Aizeng Ji Nie Jian ZhiDa. γ-Al2O3 PREPARATION WITH DIFFERENT MORPHOLOGIES AND ITS EFFECT ON Pt STABILITY[J]. Petroleum Processing and Petrochemicals, 2019, 50(7): 109-118.

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