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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/1591

Title: Synthesis, characterization and catalytic properties of mesoporous cobalt aluminophosphate molecular sieves
Authors: MOHAPATRA, SK
SELVAM, P
Keywords: electron-spin-resonance
liquid-phase oxidation
cyclohexane
coapo-5
substitution
autoxidation
mcm-41
Issue Date: 2003
Publisher: KLUWER ACADEMIC/PLENUM PUBL
Citation: TOPICS IN CATALYSIS,22,17-22
Abstract: Isomorphously substituted cobalt(II) hexagonal mesoporous aluminophosphate (CoHMA) molecular sieves were synthesized hydrothermally and characterized by various analytical and spectroscopic techniques. It was deduced that cobalt ions exhibit a divalent oxidation state in tetrahedral coordination in mesoporous aluminophosphates. Further, unlike cobalt-containing microporous aluminophosphate molecular sieves, Co(II) ions remain in a tetrahedral geometry even after calcination. The catalytic activity of CoHMA was tested for the cyclohexane oxidation reaction under mild conditions. Remarkable substrate conversion and product (cyclohexanol) selectivity were obtained compared to several previously reported heterogeneous catalysts.
URI: http://dx.doi.org/10.1023/A:1021403426304
http://dspace.library.iitb.ac.in/xmlui/handle/10054/14801
http://hdl.handle.net/100/1591
ISSN: 1022-5528
Appears in Collections:Proceedings papers

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