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Pressure profile separation of phenolic liquid compounds from cashew (Anacardium occidentale) shell with supercritical carbon dioxide and aspects of its phase equilibria by W.B. Setianto; S. Yoshikawa; R.L. Smith Jr.; H. Inomata; L.J. Florusse; C.J. Peters is a Engineering article available to read on EtoBox.
What is Pressure profile separation of phenolic liquid compounds from cashew (Anacardium occidentale) shell with supercritical carbon dioxide and aspects of its phase equilibria about?
Cashew nut shell liquid (CNSL) can be separated from fragmented honeycombed cashew shell material without employing thermal techniques with a pressure profile method that uses supercritical carbon dioxide as solvent. In the method, materials are contacted with CO 2 at elevated pressure (ca. 30 MPa) for a given period of time (ca. 1 h) and then pressure is released before the separation process is begun. Using the method, extraction yields of CNSL of up to 10 times those obtained by usual supercritical fluid extraction were achieved. The CNSL obtained was clear with a yellow-light brown color. Analysis with liquid chromatography of the extracts contained approximately 50 mol% anacardic acids, 29 mol% cardols, and 21 mol% cardanols including mono-, di-, and tri-ene constituents. Phase equilibrium data of the extracted CNSL with CO 2 were measured at temperatures from 25 to 98 • C, at pressures from 1.7 to 11 MPa, and at CO 2 weight fractions from 0.0329 to 0.1139. Liquid-liquid-vapor equilibria occurs and the CO 2 -CNSL system has an upper critical end point at 31.13 • C and 7.402 MPa. Liquid-vapor equilibrium data were used to develop a model for describing the solubility of the CO
Who reads Pressure profile separation of phenolic liquid compounds from cashew (Anacardium occidentale) shell with supercritical carbon dioxide and aspects of its phase equilibria?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- W.B. Setianto; S. Yoshikawa; R.L. Smith Jr.; H. Inomata; L.J. Florusse; C.J. Peters
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0896-8446)
- Published
- 2009
- Language
- EN
- Field
- Engineering (Physical Sciences)