Mass Transfer Effect on the Oxidation of Alkenes and Phenol with Hydrogen Peroxide Using TS-1 Titanosilicate as a Catalyst

Mass Transfer Effect on the Oxidation of Alkenes and Phenol with Hydrogen Peroxide Using TS-1... titanium-containing materials [10]. The catalytic function of TS-1 is commonly believed to be due to the presence in its framework of Ti atoms reacting with H O to form 2 2 the active titanium peroxide species with the participation of the solvent, well-stabilized by the porous silicate matrix [11–13]. At the same time, the oxidation of bulky molecules upon TS-1 catalysts often suffers from some mass transfer prob- lems that noticeably decreases their effectiveness [14–16]. Although most of the relevant literature concerns various features of TS-1 titanosilicate as an oxidative catalyst, how- ever, a few works have been addressed these mass trans- fer effects [17, 18], which may significantly influence the catalytic activity. Moreover, the authors of [17] have con- sidered these mass transfer phenomena for spherical cata- lyst particles only, but such a shape is by no means typical Keywords TS-1 titanosilicate catalyst · Epoxidation · for molecular sieve crystals [19, 20]. Although the solution Hydroxylation · Alkenes · Phenol · Internal diffusion of diffusional problem for non-spherical grains has been obtained by the authors of [21], nevertheless there exist no examples of its practical implementation for real catalytic reactions. * Igor A. Tyablikov In the present work, TS-1 titanosilicate catalyst with igortabl3@gmail.com http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Catalysis Letters Springer Journals

Mass Transfer Effect on the Oxidation of Alkenes and Phenol with Hydrogen Peroxide Using TS-1 Titanosilicate as a Catalyst

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC
Subject
Chemistry; Catalysis; Industrial Chemistry/Chemical Engineering; Organometallic Chemistry; Physical Chemistry
ISSN
1011-372X
eISSN
1572-879X
D.O.I.
10.1007/s10562-017-2136-z
Publisher site
See Article on Publisher Site

Abstract

titanium-containing materials [10]. The catalytic function of TS-1 is commonly believed to be due to the presence in its framework of Ti atoms reacting with H O to form 2 2 the active titanium peroxide species with the participation of the solvent, well-stabilized by the porous silicate matrix [11–13]. At the same time, the oxidation of bulky molecules upon TS-1 catalysts often suffers from some mass transfer prob- lems that noticeably decreases their effectiveness [14–16]. Although most of the relevant literature concerns various features of TS-1 titanosilicate as an oxidative catalyst, how- ever, a few works have been addressed these mass trans- fer effects [17, 18], which may significantly influence the catalytic activity. Moreover, the authors of [17] have con- sidered these mass transfer phenomena for spherical cata- lyst particles only, but such a shape is by no means typical Keywords TS-1 titanosilicate catalyst · Epoxidation · for molecular sieve crystals [19, 20]. Although the solution Hydroxylation · Alkenes · Phenol · Internal diffusion of diffusional problem for non-spherical grains has been obtained by the authors of [21], nevertheless there exist no examples of its practical implementation for real catalytic reactions. * Igor A. Tyablikov In the present work, TS-1 titanosilicate catalyst with igortabl3@gmail.com

Journal

Catalysis LettersSpringer Journals

Published: Jul 29, 2017

References

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