Surface Area Measurement and Absorption of Soils

by Michael J. Suess,


Serial Information: Journal of the Irrigation and Drainage Division, 1964, Vol. 90, Issue 1, Pg. 87-110


Document Type: Journal Paper

Abstract: Specific surface and mineralogical composition of soils are two main factors affecting ABS adsorption. Three groups of typical aquifer soils chosen for this study are sandstone, limestone, and silty clays. To study geometric and physical properties, grain size and shape, surface area, specific weight, and density were measured, morphology was described, and mineralogical composition was determined using X-ray diffraction technique. The surface area was measured by three different methods. Laboratory tests showed that the glycerol retention method is most suitable for the evaluation of the adsorption capacity of the soils. Tests also reveal that, for equal particle size fraction, adsorption on calcareous material is higher than on siliceous material. The silty clay soils obviously have a high adsorption capacity due to their small particle size and the structure of clay minerals.

Subject Headings: Clays | Adsorption | Silt | Surface properties | Laboratory tests | Particle size distribution | Material tests | Soil structures

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