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The adsorption of fatty acids from vegetable oils with zeolites and bleaching clay/zeolite blends

  • Technical
  • Symposium: Degumming, Refining And Bleaching
  • Published:
Journal of the American Oil Chemists’ Society

Abstract

The adsorption of model fatty acids (hepatnoic, oleic), using spiked vegetable oils, was studied using different kinds of zeolites (A-zeolite, X, Y-zeolites, mordenite), Y-zeolite exchanged with different cations (alkali, alkaline earth, transition metal ions), and with bleaching clay/zeolite blends. The adsorption process was shown to be governed by the molecular sieving properties of the zeolites involved as well as the electrostatic field strengths of the exchange cations. Facile interparticle diffusion of cations between clay and zeolite particles in the blends was verified by electron microprobe analysis and shown to cause unexpected results with respect to bleaching and fatty acid removal.

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Authors and Affiliations

  1. Harshaw/Filtrol Partnership, Center for Technology, P.O. Box 877, 94566, Pleasanton, CA

    D. R. Taylor & C. B. Ungermann

  2. University of Southern California, Los Angeles, CA

    Z. Demidowicz

Authors
  1. D. R. Taylor
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  2. C. B. Ungermann
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  3. Z. Demidowicz
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Taylor, D.R., Ungermann, C.B. & Demidowicz, Z. The adsorption of fatty acids from vegetable oils with zeolites and bleaching clay/zeolite blends. J Am Oil Chem Soc 61, 1372–1379 (1984). https://doi.org/10.1007/BF02542246

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  • DOI: https://doi.org/10.1007/BF02542246

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