SCI和EI收录∣中国化工学会会刊

Chin.J.Chem.Eng. ›› 2018, Vol. 26 ›› Issue (5): 964-969.doi: 10.1016/j.cjche.2017.09.024

• Separation Science and Engineering • Previous Articles     Next Articles

Solubility of red palm oil in supercritical carbon dioxide: Measurement and modelling

Wan Jun Lee1, Chin Ping Tan1, Rabiha Sulaiman1, Gun Hean Chong1,2   

  1. 1 Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;
    2 Supercritical Fluid Centre(SFC), Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
  • Received:2017-07-18 Revised:2017-08-30 Online:2018-05-28 Published:2018-06-29
  • Contact: Gun Hean Chong,E-mail address:gunhean@upm.edu.my E-mail:gunhean@upm.edu.my

Abstract: The solubility of red palm oil (RPO) in supercritical carbon dioxide (scCO2) was determined using a dynamic method at 8.5-25 MPa and, 313.15-333.15 K and at a fixed scCO2 flow rate of 2.9 g·min-1 using a full factorial design. The solubility was determined under low pressures and temperatures as a preliminary study for RPO particle formation using scCO2. The solubility of RPO was 0.5-11.3 mg·(g CO2)-1 and was significantly affected by the pressure and temperature. RPO solubility increased with pressure and decreased with temperature. The Adachi-Lu model showed the best-fit for RPO solubility data with an average relative deviation of 14% with a high coefficient of determination, R2 of 0.9667, whereas the Peng-Robinson equation of state thermodynamic model recorded deviations of 17%-30%.

Key words: Solubility, Supercritical carbon dioxide, Mathematical modelling, Thermodynamics, Palm oil