Modeling of supercritical extraction of organics from solid matrices
โ Scribed by Giridhar Madras; Catherine Thibaud; Can Erkey; Aydin Akgerman
- Publisher
- American Institute of Chemical Engineers
- Year
- 1994
- Tongue
- English
- Weight
- 726 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0001-1541
No coin nor oath required. For personal study only.
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## Abstract The design and construction of a relatively simple supercritical CO~2~ system capable of extracting compounds from solid and liquid matrices are described. The system consists of a conventional liquid chromatography pump, a cooler, a stainless steel extraction chamber, and a modified co
Supercritical fluids are rapidly gaining importance as solvents in extraction processes. These fluids have attractive physicochemical properties that result in advantages in extraction such as ease of solvent recovery, elimination of residual solvent in the extracted medium, lower pressure drops, an
## Model for Phase Equilibria The equilibrium compositions of both the aqueous and the supercritical fluid (SCF) phase a t known temperature, pressure, and overall composition are carried out by the P-T flash calculation. The mole fraction of component i in the aqueous