1994•SPE Advanced Technology SeriesRequires access

Equilibrium Swelling and Syneresis Properties of Xanthan Gum/Cr(III) Gels

J. R. Gales, T. S. Young, G. Paul Willhite, Don W. Green

Abstract

ABSTRACT Swelling and syneresis behavior was measured by equilibrium swelling of xanthan gum-Cr(III) gels that had been aged for over 100 days. The dependence of swelling on pH, temperature and presence of calcium ion was determined. Degree of swelling varied from + 66% to -71% over the range of parameters investigated. Theoretical considerations are discussed.

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Key concepts: Syneresis, Swelling, Xanthan gum, Chemistry, Materials science, Chemical engineering, Composite material, Rheology