通过后处理实现沸石的高功能化

Q4 Chemical Engineering Journal of The Society of Powder Technology, Japan Pub Date : 2023-08-10 DOI:10.4164/sptj.60.485
Kenta Iyoki
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引用次数: 0

摘要

沸石在各个领域的成功应用很大程度上依赖于其高稳定性、独特的催化活性和吸附性能。然而,由于沸石的多样化和苛刻的应用,对其性能的要求变得越来越高。新型的合成后沸石处理方法表明,通过简单的液体介导处理可以调整沸石的性质,其中提出了孔隙填料稳定和开孔迁移等新概念。例如,研究人员已经开发出了非常稳定的沸石,可以承受1000°C以上的蒸汽和小孔沸石的脱铝,这在过去被认为是不可能的,而现在他们已经实现了更长的催化寿命和/或更高选择性的沸石基催化剂。
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後処理によるゼオライトの高機能化
The successful application of zeolites in diverse fields largely relies on their high stability, unique catalytic activity, and adsorptive properties. However, the property requirements for zeolites have become severe due to their diverse and demanding applications. Novel post-synthetic treatment of zeolites show that properties of zeolites can be tuned by simple liquid-mediated treatments, in which new concepts such as pore-filler stabilization and pore-opening migration have been proposed. For example, development of extremely stable zeolites that can withstand over 1000°C steaming and dealumination of small-pore zeolites, which had been believed to be impossible, were reported and further superior zeolite-based catalysts with longer catalytic life and/or improved selectivity have been realized.
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来源期刊
Journal of The Society of Powder Technology, Japan
Journal of The Society of Powder Technology, Japan Chemical Engineering-Process Chemistry and Technology
CiteScore
0.20
自引率
0.00%
发文量
35
期刊介绍: The Journal of the Society of Powder Technology, Japan publishes valuable research papers in various fields related to powder technology and provides useful information to members. It publishes monthly original research papers and technical papers as well as general articles that are useful for members. It also covers reviews, overseas reports, doctoral thesis introduction and other materials in various fields related to powder technology. It is widely known as the only journal for the members who have keen interest in powder technology.
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