alexa Modeling of Moringa Oleifera Oil Solubility in Supercri
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
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Research Article

Modeling of Moringa Oleifera Oil Solubility in Supercritical Carbon Dioxide

Hoang N Nguyen1*, Pag-asa D. Gaspillo1, Julius B. Maridable1, Roberto M. Malaluan2, Hirofumi Hinode3, Chris Salim3 and Ha K.P. Huynh4
1Department of Chemical Engineering, College of Engineering, De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
2Department of Chemical Engineering Technology, School of Engineering Technology, Iligan Institute of Technology, Mindanao State University, Andres Bonifacio Avenue, Tibanga, 9200 Iligan City, Philippines
3Department of International Development Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-I4-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japan
4Department of Inorganic Chemistry, Faculty of Chemical Engineering, Ho Chi Minh City University of Technology, 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam
Corresponding Author : Hoang N Nguyen
Department of Chemical Engineering College of Engineering
De La Salle University, 2401 Taft Avenue
1004 Manila, Philippines
Tel: +84 4 62871699
E-mail: ngochoang. ibft@gmail.com
Received July 25, 2011; Accepted November 14, 2011; Published November 20, 2011
Citation: Nguyen HN, Gaspillo PD, Maridable JB, Malaluan RM, Hinode H, et al. (2011) Modeling of Moringa Oleifera Oil Solubility in Supercritical Carbon Dioxide. J Chem Eng Process Technol 2:114. doi:10.4172/2157-7048.1000114
Copyright: © 2011 Nguyen HN, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Moringa oleifera (MO) oil solubility behavior in supercritical carbon dioxide (SC-CO2) was investigated at temperature rang e from 35 to 60°C and pressure from 15 to 30MPa. It was observed that pressure played key role on solubility while temperature has minor effect on solubility relative to that of pressure. Solubility was covariant with pressure. Solubility effect with temperature shifted to opposite behavior when pressure has reached the crossover pressure point at 26.38MPa. At p < 26.38MPa, an increased temperature has reduced the solubility. While at p ≥ 26.38MPa, the increased temperature led to an enhanced solubility. Fractionation of the oil during extraction period was observed too. Short chain fatty acids (C14:0, C16:0, C16:1) reduced by 21.87, 7.94 and 9.49% while long chain fatty acids (C20:0, C20:1, C22:0, C24:0) increased by 22.43, 11.42, 21.76 and 35.71% respectively. All C18 fatty acids (stearic, oleic, linoleic, linolenic) were not fractionated significantly during extraction period. However, the effect of the fractionation on the solubility was insignificant. Furthermore, modeling of MO oil solubility in SC-CO2was conducted. Del Valle-Aguilera model with root mean square percentage deviation of 6.18% is recommended for high oleic oil solubility in SC-CO2.

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