Mutual Solubility Study in Supercritical Fluid Extraction of Tocopherols from Crude Palm Oil Using CO2 SolventReport as inadecuate




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1

Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran

2

School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia





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Abstract In this article, the mutual solubility of tocopherols from crude palm oil was studied using carbon dioxide as a solvent at the temperatures of 80, 100 and 120 ºC. Each sample from the phase equilibrium unit contained two parts. The liquid part was analyzed by gas chromatography GC in order to measure the tocopherol composition and, on the other hand, the vapor phase was conducted in an expansion vessel in order to measure the pressure increment during the expansion process. Two phase equilibrium data was calculated using the liquid phase composition and pressure increments during the expansion process. Results showed that the maximum solubility of tocopherols was around 2.27% at a temperature of 120 ºC and at pressure of 5.44 MPa. View Full-Text

Keywords: crude palm oil; phase behavior; supercritical extraction; tocopherols crude palm oil; phase behavior; supercritical extraction; tocopherols





Author: Reza Davarnejad 1,* , Zainal Ahmad 2, Suhairi A. Sata 2, Mostafa Keshavarz Moraveji 1 and Farzaneh Ahmadloo 1

Source: http://mdpi.com/



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