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Title: Synthesis, characterisation and benzylation activity of vanadia impregnated iron pillared montmorillonite
Authors: Shamsudeen, Rahna K
Nisha, K
Sugunan, S
Issue Date: Nov-2002
Publisher: NISCAIR-CSIR, India
Abstract: Iron pillared montmorillonite has been synthesised and it is then wet impregnated with vanadia with different vanadia composition. These catalysts arc characterised using conventional techniques such as XRD analysis, FTIR analysis, and surface area and pore volume measurements. Acidity is measured using spectrophotometric monitoring of adsorption of perylene, thermogravimetric desorption of 2, 6 dimethylpyridine and temperature programmed desorption of ammonia. Activity studies are done in the liquid phase. It has been concluded that Lewis acidic sites are responsible for the benzylation of toluene when the benzylating agent is benzyl chloride while bronsted acidic sites are responsible when the reagent is benzyl alcohol.
Page(s): 2244-2250
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.41A(11) [November 2002]

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