Complex Acids and Their Interaction with Clays in Oil Sands Slimes

  • M. A. Kessick


Organic material closely associated with the clays in low grade oil sand and in oil sands clay slimes has been extracted and examined by IR and NMR spectroscopy, and shown to contain carbonyl, hydroxyl and possibly polyphenolic functionality. It is postulated that the closely bound organic material may consist of vestigial tannins or lignins in various stages of degradation. The importance of ferric iron in promoting adsorption of this organic material to clays has been demonstrated using tannic acid with illite and kaolinite as model systems. This type of adsorption appears to be important in determining the settling characteristics of oil sands clay slimes.


Fulvic Acid Ferric Iron Methyl Ethyl Ketone Complex Acid Ferric Chloride Solution 
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Copyright information

© Springer Science+Business Media New York 1981

Authors and Affiliations

  • M. A. Kessick
    • 1
  1. 1.Chemistry DivisionAlberta Research CouncilEdmontonCanada

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