Countercurrent de-acidification of vegetable oils using supercritical CO2: Holdup and RTD experiments

Journal of Supercritical Fluids

Volumn 45, Issue 2, 2008, Pages 238-244

  Zacchi, P ^b   Bastida, S Calvo ^a   Jaeger, P ^b   Cocero, M J ^a   Eggers, R ^b  

^a UNIVERSITY OF VALLADOLID   (Spain)

^b HAMBURG UNIVERSITY OF TECHNOLOGY   (Germany)

Author keywords

Countercurrent column; FFA; Holdup; Refining; RTD; Supercritical fluids

Indexed keywords

BUOYANCY; CARBON DIOXIDE; HYDRODYNAMICS; PIGMENTS; REFINING; SUPERCRITICAL FLUIDS; VEGETABLE OILS;

CAROTENE TRACER; COUNTERCURRENT COLUMN; FFA; HOLDUP; RTD;

FATTY ACIDS;

EID: 43049116786     PISSN: 08968446     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.supflu.2008.02.005     Document Type: Article

References (33)

1. Jung M.Y., and Min D.B. Effect of alpha-, gamma-, and delta-tocopherols on oxidative stability of soybean oil. J. Food Sci. 55 (1990) 1464-1465
2. Huang S., Frankel E., and German J. Effects of individual tocopherols and tocopherol mixtures on the oxidative stability of corn oil triglycerides. J. Agric. Food Chem. 43 (1995) 2345-2350
3. Azzi A., and Stocker A. Vitamin E: non-antioxidant roles. Prog. Lipid Res. 39 (2000) 231-255
4. Ostlund R. Phytosterols in human nutrition. Annu. Rev. Nutr. 22 (2002) 533-549
5. Lambelet P., Grandgirard A., Gregoire S., Juaneda P., Sebedio J.L., and Bertoli C. Formation of modified fatty acids and oxyphytosterols during refining of low erucic acid rapeseed oil. J. Agric. Food Chem. 16 (2003) 284-290
6. Gebauer S.K., Psota T.L., and Kris-Etherton P.M. The diversity of health effects of individual trans fatty acid isomers. Lipids 42 (2007) 787-799
7. Dunford N.T., and King J.W. Phytosterol enrichment of rice bran oil by a supercritical carbon dioxide fractionation technique. J. Food Sci. 65 (2000) 1395-1399
8. P. Jaeger. Grenzflächen und Stofftransport in verfahrenstechnishen Prozessen am Beispiel der Hochdruk-Gegen stromfraktionierung mit überkritischem Kohlendioxid, Doctoral Thesis. Technische Universität Hamburg-Harburg, Hamburg, Germany, 1997.
9. Zacchi P., Daghero J., Jaeger P., and Eggers R. Extraction/fractionation and deacidification of wheat germ oil using supercritical carbon dioxide. Braz. J. Chem. Eng. 23 (2006) 105-110
10. Ziegler G.R., and Liaw Y. Deodoration and deacidification of edible oils with dense carbon dioxide. JAOCS 70 (1993) 947-953
11. Danielski L., Zetzl C., Hense H., and Brunner G. A process line for the production of raffinated rice oil from rice bran. J. Supercrit. Fluids 34 (2005) 133-141
12. Brunetti L., Daghetta A., Fedeli E., Kikic I., and Zanderighi L. Deacidification of olive oils by supercritical carbon dioxide. JAOCS 66 (1989) 209-217
13. Stockfleth R., and Brunner G. Holdup, pressure drop, and flooding point in packed countercurrent columns for the gas extraction. Ind. Eng. Chem. Res. 40 (2001) 347-356
14. Strigle R.F. Packed Tower Design and Applications. 2nd ed. (1994), Gulf, Houston
15. Simoes P.C., and Brunner G. Multicomponent phase equilibria of an extra virgin olive oil in supercritical carbon dioxide. J. Supercrit. Fluids 9 (1996) 75-81
16. AOCS. Official Methods and Recommended Practices of the American Oil Chemists Society. 5th ed. (1998), AOCS Press, Champaign, IL
17. Van Swaaij W.P.M., Charpentier J.C., and Villermaux J. Residence time distribution in the liquid phase of trickle flow in packed columns. Chem. Eng. Sci. 24 (1969) 1083-1095
18. J. Mackowiak, Fluiddynamik von Kolonnen mit modernen Füllkörpern und Packungen für Gas/Flüssigkeitssysteme. Salle + Sauerländer, Frankfurt am Main, 1991.
19. K. Bornhütter, Stoffaustauschleistung von Füllkörperschüttungen unterBerücksichtigung der Flüssigkeitsstömungsform, Doctoral Thesis, Teschinische Universität München, München, Germany, 1991.
20. V. Engel, Fluiddynamik in Packungskolonnen für Gas-Flüssig-Systeme, Doctoral Thesis. Technische Universität München, Munich, Germany, 1999.
21. Tegetmeier A., Dittmar D., Fredenhagen A., and Eggers R. Density and volume of water and triglycerides mixtures in contact with carbon dioxide. Chem. Eng. Proc. 39 (1999) 399-405
22. M. Hobbie, Bildung von Tropfen in verdichteten Gasen und stationäre Umströmung fluider Partikel bei Drucken bis zu 50 MPa, Doctoral Thesis. Technische Universität Hamburg-Harburg, Germany, 2005.
23. T. Langmaack, R. Eggers, Unpublished data, Teschnische Universität Hamburg-Harburg, 1998.
24. H. Marckmann, Überkritische Extraktion von aufkonzentrierten Kaffeelösungen in Hochdruckkolonnen, Doctoral Thesis. Technische Universität Hamburg-Harburg, Germany, 2005.
25. E. Blaß, R. Kurtz, Der Einfluß grnzflächenenegetischer Größen auf den Zweiphasengegenstrom durch Raschingring-Füllkörpersäulen Teil 1: Flüssigkeitsinhalt. Verfahrenstechnik 10 (1976) 721-724.
26. Sáez A.E., and Carbonell R.G. Hydrodynamic parameters for gas-liquid cocurrent flow in packed beds. AIChE J. 31 (1985) 52-62
27. Charpentier J.C., Prost W., Van Swaaij W., and LeGoff P. Etude de la Rétention de Liquide dans une Colonne à Garnissage à Co-Courant et à Contre-Courant de Gaz-Liquide. Chim. et Ind. Génie Chim. 99 (1968) 803-826
28. Stein W.A. Der Statische Flüssigkeitsanteil in Packungskolonen. Forsch. Ingenieurwes 66 (2000) 129-137
29. Fogler H.S. Elements of Chemical Reaction Engineering (1986), Prentice-Hall, New Jersey
30. Hoogendoorn C., and Lips J. Axial mixing of liquid in gas-liquid flow through packed columns. Can. J. Chem. Eng. 43 (1965) 125-131
31. Choe D., and Lee W. Liquid phase dispersion in a packed column with countercurrent two-phase flow. Chem. Eng. Commun. 34 (1985) 295-304
32. Macías-Salinas R., and Fair J. Axial mixing in modern packings, gas, and liquid phases. II. Two phase flow. AIChE 46 (2000) 79-91
33. Levenspiel O. Chemical Reaction Engineering. 3rd ed. (1999), Wiley, New York