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HERDIN Record #: R10-MSUIIT-18061315155627 Submitted: 13 June 2018 Modified: 14 June 2018

Extraction of oil from Moringa oleifera kernels using supercritical carbon dioxide with ethanol for pretreatment: Optimization of the extraction process.

Hoang  N. Nguyen,
Pag-asa   . Gaspillo,
Julius  B. Maridable,
Roberto   . Malaluan,
Hirofumi Hinode,
Chris Salim,
Ha  . Huynh

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The study involved the extraction of oil from Moringa oleifera (MO) kernels using supercritical fluid extraction (SFE) technique. The arrays of operating parameters are extraction condition, loading configuration, and SC-CO2 with ethanol addition for substrate pretreatment. It identifies a combination of operating parameters that provide a higher yield. The experiments were conducted in the pressure range of 15-30 MPa, 35-60 °C temperature interval, average particle size of 0.16-1.12 mm and CO2 flow rate of 0.5 m3/h. Adding 10% EtOH for substrate pretreatment, increased 10% in the yield. No significant difference in yield and fatty acid content between the oil from SC-CO2-EtOH and Soxhlet extraction with n-hexane was detected. Loading the seeds in multiple-staged trays increased to as much as 26.89% in the yield against randomly packed configuration. Response surface methodology, predicted an optimal oil yield of 37.84% at a pressure of 28.97 MPa, 44.30 °C temperature, and particle size of 0.54 mm. A crossover pressure point of Ben oil was found within the range 22.5-30 MPa.

Publication Type
Publication Sub Type
Journal Article, Reprint
Chemical Engineering and Processing: Process Intensification
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Office of the Vice Chancellor for Research and Extension, Mindanao State University-Iligan Institute Technology Abstract

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