Change of hydrophysical properties of clayed minerals due to the influence of soluble salts

It was revealed that the influence of soluble salts on the hydrophysical properties of clayed minerals depends on the nature of minerals, the properties and state of salt (in solution or sorbing), and the region of fundamental hydrophysical characteristics (FHCH). The treatment of clayed minerals by...

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Bibliographic Details
Published in:Moscow University soil science bulletin 2011-09, Vol.66 (3), p.93-99
Main Authors: Manucharov, A. S., Tyugay, Z. N., Vityazev, V. G., Pochatkova, T. N., Kharitonova, G. V.
Format: Article
Language:English
Subjects:
Clay
Earth and Environmental Science
Earth Sciences
Historical Geology
Hydrology
Minerals
Paleontology
Physical properties
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Summary:It was revealed that the influence of soluble salts on the hydrophysical properties of clayed minerals depends on the nature of minerals, the properties and state of salt (in solution or sorbing), and the region of fundamental hydrophysical characteristics (FHCH). The treatment of clayed minerals by NaCl, MgCl 2 , Ca(CH 3 COO) 2 , and ZnCl 2 solutions increased their water-retention in the range NaCl > MgCl 2 > Ca(CH 3 COO) 2 ≈ ZnCl 2 . Pb(CH 3 COO) 2 decreased the water-retaining ability of clayed minerals in all the FHCH range. A differential characteristic of the action MgCl 2 , Ca(CH 3 COO) 2 , and ZnCl 2 on smectite is decrease of capillary water deduction.
ISSN:0147-6874
1934-7928
DOI:10.3103/S0147687411030057