Evaluation of Ti Distribution in Zeolite Framework Based on the Catalytic Activity for Alkene Epoxidation
A method for estimating the location of Ti atoms in zeolite framework has been developed based on the difference in catalytic activity for epoxidation of 1-hexene and 2-methyl-2-pentene. We have found that the Ti distribution in the MWW framework can be controlled by its preparation method; Ti atoms...
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Veröffentlicht in: | Chemistry letters 2019-09, Vol.48 (9), p.1130-1133 |
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Hauptverfasser: | , , , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | A method for estimating the location of Ti atoms in zeolite framework has been developed based on the difference in catalytic activity for epoxidation of 1-hexene and 2-methyl-2-pentene. We have found that the Ti distribution in the MWW framework can be controlled by its preparation method; Ti atoms introduced into the framework by the post-synthesized method were selectively located at narrow space, i.e., 10-membered ring (10MR) channels and the proportion of Ti atoms located in large space, i.e., supercages and 12MR side pockets on the crystal exterior was low. |
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ISSN: | 0366-7022 1348-0715 |
DOI: | 10.1246/cl.190387 |