Journal
CHEMICAL SOCIETY REVIEWS
Volume 44, Issue 24, Pages 8877-8903Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cs00626k
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Funding
- National Key Basic Research Program of China [2013CB934101, 2009CB623500]
- NSFC [21433002, 21573046]
- National Plan for Science and Technology of Saudi Arabia [14-PET827-02]
- Sinopec [X514005]
- Royal Academy of Engineering-Newton Funds of UK
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The kaleidoscopic applications of zeolite catalysts (zeo-catalysts) in petrochemical processes has been considered as one of the major accomplishments in recent decades. About twenty types of zeolite have been industrially applied so far, and their versatile porous architectures have contributed their most essential features to affect the catalytic efficiency. This review depicts the evolution of pore models in zeolite catalysts accompanied by the increase in industrial and environmental demands. The indispensable roles of modulating pore models are outlined for zeo-catalysts for the enhancement of their catalytic performances in various industrial processes. The zeolites and related industrial processes discussed range from the uni-modal micropore system of zeolite Y (12-ring micropore, 12-R) in fluid catalytic cracking (FCC), zeolite ZSM-5 (10-R) in xylene isomerization and SAPO-34 (8-R) in olefin production to the multi-modal micropore system of MCM-22 (10-R and 12-R pocket) in aromatic alkylation and the hierarchical pores in FCC and catalytic cracking of C4 olefins. The rational construction of pore models, especially hierarchical features, is highlighted with a careful classification from an industrial perspective accompanied by a detailed analysis of the theoretical mechanisms.
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