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Purabi Sarmah, Speaker at Chemical Engineering Conferences
Nalbari College, India
Title : Cobalt(III)-Supported Chemically Modified Mesoporous Silica as Heterogeneous Oxidation Catalyst

Abstract:

The catalytic activity of a heterogeneous oxidation catalyst, named as Co-CMS1 based on a cubane-like Co(III) oxo cluster which is immobilised on a porous organomodified silica, will be described. The heterogeneous Co(III) supported chemically modified silica (CMS) system (Co-CMS1) has been well characterized by powder XRD, SEM, TEM, BET analysis, IR, solid UV-Vis-NIR and XPS techniques. The catalyst has been found to promote the efficient and selective oxidation of benzylic alcohols and cyclohexanols with TBHP as the oxidant which can be reused without any significant loss of activity. The Co-CMS1 catalyst has also been found to catalyse efficiently the oxidation of both styrene and diphenylmethane using aqueous TBHP as the oxidant.

Biography:

Academic Qualification:
Ph. D., 2011, Gauhati University Guwahati 
(Title: Transition Metal Complexes as Useful Catalysts in Oxidative Organic Transformations)
M. Sc. (Organic Chemistry), 2002 Gauhati University.
BSc (Chemistry), 1999, Gauhati University
CSIR-UGC National Eligibility Test (NET), CSIR-JRF, June- 2005 and CSIR-SRF, 2008
•    Research Experience and Expertise
Eight years of research experience under the supervision of Dr. Birinchi K Das, Professor, Department of Chemistry, Gauhati University in the field of Catalytic Chemistry.                                                                                                                        
•    Research experience as a guest worker in the National Chemical Laboratory (NCL), Pune under the guidance of Dr. A. P. Singh, Scientist F, Catalysis Division which involves the synthesis of chiral complexes and their immobilization over solid supports. 

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