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

Tulasi Sri Venkata Ramana Neeharika, Karna Narayana Prasanna Rani, Kasturi Venkata Sesha Adinarayana Rao, Thella Prathap Kumar, Rachapudi Badari Narayana Prasad


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

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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References


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Iodine value of the oil was determined according to the AOCS method Da 15-48.


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