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Title Solvents comparative extraction performance for the synthesis of potential Terminalia catappa transf
Journal International journal of Engineering And Applied Science
Publisher Faculty of Engineering, Nnamdi Azikiwe University, Awka Nigeria.
Issue 1
ISSN 1119-8109
Pages 25-39
Subject Chemical Engineering
Date of Publication November 4, 2018

AUTHOR(S) Chinedu M. Agu, Matthew C. Menkiti, Albert C. Agulanna andInnocent E. Nweke

ABSTRACT

This work focuses on the extractive influence of n-hexane and petroleum ether on Terminalia catappa Kernel (TCK) oil yield. The TCK oil were characterized using standard methods, Gas chromatographic (GC) and Fourier transform infrared (FTIR) analyses. Results indicated that time and particle size effects were significant while temperature was not. Pseudo-second order kinetic model fits more suitably, compared to hyperbolic model. The process Gibbs free energy, entropy and enthalpy values at 55°C for n-hexane and petroleum ether were -28.76KJ/mol, 0.643KJ/mol, 182.81KJ/mol and -30.42KJ/mol, 0.686KJ/mol, 195.18KJ/mol ,respectively, indicating spontaneous, irreversible, and endothermic process. N-hexane gave optimally higher oil yield of 60.45 % at 55 °C, 0.5 mm and 150 min.


Keywords: aliacatappa L., Solvent extraction, Kinetics, Thermodynamics




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