Application of Factorial Design of Experiments for the Continuous Hydrogenation of Enriched Castor Oil Methyl Esters

Tulasi Sri Venkata Ramana Neeharika -  Centre for Lipid Research, Indian Institute of Chemical Technology, Hyderabad – 500007,, India
*Karna Narayana Prasanna Rani -  Centre for Lipid Research, Indian Institute of Chemical Technology, Hyderabad – 500007,, India
Kasturi Venkata Sesha Adinarayana Rao -  Centre for Lipid Research, Indian Institute of Chemical Technology, Hyderabad – 500007,, India
Thella Prathap Kumar -  Chemical Engineering Division, Indian Institute of Chemical Technology, Hyderabad – 500007,, India
Rachapudi Badari Narayana Prasad -  Centre for Lipid Research, Indian Institute of Chemical Technology, Hyderabad – 500007,, India
Received: 2 Sep 2013; Published: 1 Dec 2013.
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Abstract
Castor oil methyl esters contains nearly 90% ricinoleic acid (12-hydroxy-cis-9-octadecenoic acid). Hydrogen-ated castor oil methyl esters finds several applications in coating, lubricants formulations and pharmaceu-tical areas. The present study reports a fast, simple, efficient and continuous hydrogenation of enriched castor oil methyl ester (ECME) using 10% Pd/C catalyst at different pressures and temperatures. The range of process conditions for this study varied from 30-60 °C, 5-15 bar with constant flow rate of 15 ml/min. The products were analyzed for fatty acid composition and iodine value (IV). The optimized pa-rameters were found to be a temperature of 30 °C, pressure 5 bar, and flow rate of 15 ml/min where maxi-mum hydrogenation of 98.47 % was obtained and the product showed an iodine value of 3.19.  © 2013 BCREC UNDIP. All rights reserved

Received: 2nd September 2013; Revised: 4th October 2013; Accepted: 5th October 2013

[How to Cite: Neeharika, T.S.V.R., Rani, K.N.P., Rao, K.V.S.A., Kumar, T.P., Prasad, R.B.N. (2013). Appli-cation of Factorial Design of Experiments for the Continuous Hydrogenation of Enriched Castor Oil Methyl Esters. Bulletin of Chemical Reaction Engineering & Catalysis, 8 (2): 154-159 (doi:10.9767/bcrec.8.2.5375.154-159)]

[Permalink/DOI: http://dx.doi.org/10.9767/bcrec.8.2.5375.154-159]

Keywords
Enriched castor oil methyl ester; Hydrogenated castor oil methyl ester; Continuous hydrogenation; 12-hydroxy stearic acid; Design of experiments.

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