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Research Article

Academia Journal of Scientific Research 7(10): 595-604, October 2019
DOI: 10.15413/ajsr.2019.0160
ISSN: 2315-7712
©2019 Academia Publishing 

Abstract

 


Optimization of process variables for laboratory scale production of oleochemical product sheaolein ethylester through transesterification
 

Accepted 16th August 2019

 
Mohammad ShahidulIslam1*, Christian Bundy2 and M. A. A. Shoukat Choudhury3

1Atlantic International University, HI 96813, USA.
2Guldfågeln, Falkenberg, Sweden.
3Department of Chemical Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh.

 

Sheaolein is a fractionated product of shea butter extracted from African shea nut. Extensive herbal properties of sheaolein have made it an attractive ingredient in cosmetic industries. Sheaolein is highly viscous, semi-solid at room temperature and causes problems in oil transfer system. Transesterification of sheaolein is one of the ways of reducing its viscosity through splitting off its glycerol backbone. For this purpose, transesterification of sheaolein with ethanol in the presence of KOH catalyst was carried out in this study. Process variables: (1) reaction time, (2) catalyst concentration and (3) stirring speed were optimized to obtain better phase separation and higher yield of ethylester production. Kinetic modeling and simulation were carried out to aid process optimization. It was observed that 10-30 min reaction time, 1-1.5% KOH catalyst by weight of sheaoelin oil and 500 rpm stirring speed gave better phase separation between ethylester and glycerol phases; and produced an ethylester yield of 87.92%. Production of intermediate by-products is also low at these process conditions. The results of this study will enable production of high quality oleochemical product ethylester from sheaolein in continuous industrial scale transesterification process.

Key words: Catalyst, cosmetics application, kinetics, optimization, sheaolein, ethylester, transesterification.

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:

ShahidulIslam M, Bundy C, Choudhury MAAS (2019). Optimization of process variables for laboratory scale production of oleochemical product sheaolein ethylester through transesterification. Acad. J. Sci. Res. 7(10): 595-604

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