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The Differential Thermal Analysis of Flocculated Clay Samples

Published online by Cambridge University Press:  09 July 2018

D. Dollimore ,
G. R. Heal  and
T. A. Horridge
D. Dollimore
Affiliation:
The Chemistry Department, University of Salford
G. R. Heal
Affiliation:
The Chemistry Department, University of Salford
T. A. Horridge
Affiliation:
The Chemistry Department, University of Salford
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Abstract

Clays may be flocculated from suspension by various polymeric flocculating agents. In this study the technique of differential thermal analysis is used to identify the flocculating agent and to study its behaviour when adsorbed on the clay particles. It is shown that the clay particles display normal properties on sedimenting in the presence of sufficient polymer to cause flocculation. The differential thermal analysis trace for clays is only affected when the flocculating agent is present on the surface in quantities in excess of that required for effective sedimentation.

Type
Research Article
Information
Clay Minerals , Volume 8 , Issue 4 , December 1970 , pp. 479 - 486
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1970

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References

Audsley, A. (1965) Flocculation and Suspension of Solids with Organic Polymers. Stevenage, Warren Springs Lab., Miner. Proc. Inform. Note 5.Google Scholar
Gregg, S.J. & Sing, K.S.W. (1967) Adsorption, Surface Area and Porosity, p. 7., Academic Press, London and New York.CrossRefGoogle Scholar
Holdmdoe, D.A. & Vaughan, F. (1957) The Differential Thermal Investigation of Clays, (R. C. Mackenzie, editor), Chap. IV, p. 98, Mineralogica] Society, London.Google Scholar