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Filtering by: Subject Adsorption Advisor Boersma, Larry

Diffusion and surface reaction processes of absorption on surfaces of soil particles in unsaturated soils

Creator:

Yingjajaval, Suntaree

Abstract:

At present the adsorption kinetic of ions by soil particles is considered to be a surface reaction. When the transport of solutes in soils is described using the one-dimensional flow equation, it becomes a serious problem that lateral diffusion of ions from the bulk solution towards the soil surfaces is...

Resource Type:

Dissertation

Full Text:

AND SURFACE REACTION PROCESSES OF ADSORPTION ON SURFACES OF SOIL PARTICLES IN UNSATURATED SOILS
Theoretical and experimental evaluation of transfer of 2, 4-dichlorophenoxyacetic acid in porous media

Creator:

Saxena, Subodh Kumar, 1942-

Abstract:

Experiments were conducted to study the effect of pore size distribution on the diffusion of 2, 4-Dichlorophenoxyacetic acid (carbon- 14) through water saturated porous media. Eight size fractions of glass beads were used representing the porous media. It was found that as the average particle radius, and hence pore radius,...

Resource Type:

Dissertation

Full Text:

proposed dispersion models may be used to predict the effects of pore size distribution and adsorption on