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Characterization of mixed oxide supported MoO3 catalysts and their activity measurement for nitration of benzene

S. M. KEMDEO1, B. S. DESHMUKH1, V. S. SAPKAL2, G. N. CHAUDHARI1,*

Affiliation

  1. Department of Chemistry, Shri Shivaji Science College, Amravati, India
  2. University Department Of Chemical Technology, SGB Amravati University, Amravati, India

Abstract

TiO2-ZrO2 mixed oxide support was impregnated with 12 wt% MoO3 taking ammonium heptamolybdate as a source of MoO3. Resultant catalyst powder was calcined at different temperatures. Further these catalysts were investigated by XRD, FT-IR, BET, SEM, and NH3-TPD methods. XRD studies reveled high dispersion of MoO3 in TiO2-ZrO2 support. All these catalytic systems were when employed in nitration of benzene showed no significant effect of calcination temperature on either benzene conversion or nitrobenzene selectivity. Comparatively they showed beneficial results over other catalysts. Study suggests environment friendly method for nitration reaction using solid acids instead of corrosive and hazardous sulfuric acid..

Keywords

TiO2-ZrO2, MoO3 catalyst, Nitration, Nitrobenzene, MoO3, FT-IR, BET, SEM, XRD.

Submitted at: June 20, 2009
Accepted at: July 23, 2009

Citation

S. M. KEMDEO, B. S. DESHMUKH, V. S. SAPKAL, G. N. CHAUDHARI, Characterization of mixed oxide supported MoO3 catalysts and their activity measurement for nitration of benzene, Journal of Optoelectronics and Advanced Materials Vol. 11, Iss. 7, pp. 957-963 (2009)