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Abstract

Progress in Petrochemical Science

Studies on Nitration of Phenol over Solid Acid Catalyst

  • Open or Close Lipika Das1, Koushik Guha Biswas2* and Jayanta Kumar Basu3

    1Department of Chemical Engineering, Haldia Institute of Technology, India

    2Department of Chemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, India

    3Department of Chemical Engineering, Indian Institute of Technology, India

    *Corresponding author: Koushik Guha Biswas, Department of Chemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Amethi, Uttar Pradesh, Pin-229304 India, Email: kbiswas@rgipt.ac.in

Submission: January 01, 2018;Published: February 15, 2018

Volume1 Issue1
February 2018

Abstract

Phenol was selectively nitrated in liquid phase to produce ortho-nitrophenol using dilute nitric acid (30%) at room temperature in presence of hydrochloric acid treated γ-alumina. Initially Al (NO3) and NH4hCO3 were reacted to prepare Al (OH)3 which on successive calcinations at 550 ᴼC for 5h produce γ-alumina. The γ-alumina was characterized by BET, XRD, SEM and NH3-TPD analysis. The XRD profile confirmed the crystalline structure of the solid acid catalyst γ-alumina. The NH3-TPD analysis showed the development of lewis acidity on the surface of hydrochloric acid treated γ-alumina. The effects of various parameters such as concentration of reactants, types of catalyst, weight of the catalyst, solvent, temperature and time of reaction have been studied. The kinetics of the reaction was also investigated.

Keywords: Gamma alumina catalyst; Nitration reaction; Ortho-nitrophenol; Rate constant

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