Fundamental Aspects of Electro-Osmosis in Soils

by Donald H. Gray,
James K. Mitchell,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1967, Vol. 93, Issue 6, Pg. 209-236

Document Type: Journal Paper


A thermodynamic analysis supported by experimental measurements show that electro-osmosis depends fundamentally on the exchange capacity of a soil, water content, and electrolyte concentration of the pore fluid. Electro-osmosis and streaming potential are equivalent phenomena; one can be determined from the other. Guidelines are established for judging the feasibility of electro-osmotic dewatering in soils.

Subject Headings: Osmosis | Soil analysis | Soil water | Thermal analysis | Water content | Feasibility studies | Dewatering

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