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Open Access Hierarchical Zeolites Overcome all Obstacles: Next Stop Industrial Implementation

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This review emphasizes key recent accomplishments towards the industrial exploitation of hierarchically structured zeolites in catalytic processes. A major milestone comprises the demonstration that affordable post-synthetic modifications enable the transformation of any conventional zeolite into hierarchical analogues with tunable porosity and functionality. Through specific examples, belonging to the transformation of fossil fuel and renewable feedstocks, we quantitatively illustrate the spectacular benefits attained upon application of hierarchical zeolite catalysts due to improved accessibility or modification of the type and distribution of active sites. A crucial step for these exciting lab-designed materials to be implemented in industrial processes is to shape them into technical forms. Accordingly, we studied the synthesis, characterization, and catalytic evaluation of millimeter-sized hierarchical zeolite bodies, enriching the fundamental understanding on scale-up and representing an additional solid step towards the commercial application of these materials.
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Keywords: HETEROGENEOUS CATALYSIS; HIERARCHICAL ZEOLITE; POST-SYNTHETIC MODIFICATION; SCALE-UP

Document Type: Research Article

Affiliations: 1: Institute for Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zurich Wolfgang-Pauli-Strasse 10 CH-8093 Zürich, Switzerland 2: Institute for Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zurich Wolfgang-Pauli-Strasse 10 CH-8093 Zürich, Switzerland. [email protected]

Publication date: May 1, 2013

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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