Copper(II) phthalocyanines entrapped in MFI zeolite catalysts and their application in phenol hydroxylation
Copper(II) phthalocyanines entrapped in MFI zeolite catalysts and their application in phenol hydroxylation
An attempt is made to crystallize ZSM-5 (MFI) zeolite containing intrazeolitically entrapped and stabilized copper phthalocyanine (CuCl16Pc) complex. The hydrogels supplemented with seed precursors could yield a wider range of trapped Cu–Pc species in the ZSM-5 framework. The Cu–Pc serves to impart structural order to the inorganic network that does not disappear during washings and even after soxhlet treatments. The integrity of Cu–Pc in the framework was confirmed by UV–Vis, TG/DTA, sorption and surface area measurements. The oxidation properties of trapped and stabilized Cu–Pc species in the conversion of phenol to hydroquinone and catechol exhibit higher TON (turn over number) in solvent systems.
cucl16Pc/zsm-5 crystallization, phenol oxidation
243-249
Shevade, S.S.
34511829-02b2-4a00-8f99-cc6f9392db6c
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b
Kotasthane, A.N.
13655d9d-5882-4baa-9954-c21cacd28a98
22 March 1999
Shevade, S.S.
34511829-02b2-4a00-8f99-cc6f9392db6c
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b
Kotasthane, A.N.
13655d9d-5882-4baa-9954-c21cacd28a98
Shevade, S.S., Raja, Robert and Kotasthane, A.N.
(1999)
Copper(II) phthalocyanines entrapped in MFI zeolite catalysts and their application in phenol hydroxylation.
Applied Catalysis A: General, 178 (2), .
(doi:10.1016/S0926-860X(98)00295-6).
Abstract
An attempt is made to crystallize ZSM-5 (MFI) zeolite containing intrazeolitically entrapped and stabilized copper phthalocyanine (CuCl16Pc) complex. The hydrogels supplemented with seed precursors could yield a wider range of trapped Cu–Pc species in the ZSM-5 framework. The Cu–Pc serves to impart structural order to the inorganic network that does not disappear during washings and even after soxhlet treatments. The integrity of Cu–Pc in the framework was confirmed by UV–Vis, TG/DTA, sorption and surface area measurements. The oxidation properties of trapped and stabilized Cu–Pc species in the conversion of phenol to hydroquinone and catechol exhibit higher TON (turn over number) in solvent systems.
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Published date: 22 March 1999
Keywords:
cucl16Pc/zsm-5 crystallization, phenol oxidation
Identifiers
Local EPrints ID: 176905
URI: http://eprints.soton.ac.uk/id/eprint/176905
ISSN: 0926-860X
PURE UUID: 38a376cc-37b1-4312-b03f-55a70b47b7c8
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Date deposited: 11 Mar 2011 15:29
Last modified: 14 Mar 2024 02:51
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Author:
S.S. Shevade
Author:
A.N. Kotasthane
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