Solubility model of arachis hypogea skin oil by modified supercritical carbon dioxide

Nicky Rahmana Putra*, Mohd Azizi Che Yunus, Siti Machmudah

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


The main objective of this study was to determine the solubility of peanut (Arachis Hypogea) skin oil using modified supercritical carbon dioxide (SCCO 2 ). The solubility was measured at pressure ranging from 100 to 300 Bar, temperature of 313 to 328 K, and rate of modifier from 0.075 to 0.225 mL/min. The solubility of extraction was ranging from 1.12 to 7.73 mg/min. The Chrastil, modified Chrastil, Del Valle Aguilera (DVA), Adachi-Lu, and Gordillo as empirical models were tested to fit the experimental data. Solubilities from these models followed the average absolute relative deviations (AARD) from experimental data: Chrastil, modified Chrastil, DVA, Adachi-Lu, and Gordillo with AARD of 8.54%, 8.26%, 19.41%, 9.24%, and 20.62%, respectively. Modified Chrastil model provide the best fit.

Original languageEnglish
Pages (from-to)731-740
Number of pages10
JournalSeparation Science and Technology
Issue number5
Publication statusPublished - 24 Mar 2019


  • Peanut skin oil solubility
  • density based model
  • modified supercritical carbon dioxide


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