||Dynamic Studies of Naphthalene Sorption on Soil from Aqueous Solution.
Podoll, R. T. ;
Irwin, K. C. ;
Parish., H. M. J. ;
||SRI International, Menlo Park, CA. Physical Chemistry Dept.;Robert S. Kerr Environmental Research Lab., Ada, OK.
Soil surveys ;
Reaction kinetics ;
Thermodynamic equilibrium ;
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The thermodynamics and kinetics of naphthalene sorption from water on soil were examined over the temperature range of 15 C to 50 C. To test the hydrophobic model and to better understand adsorption thermodynamics and kinetics, the authors conducted flow sorption equilibrium and kinetic experiments over a range of temperatures for naphthalene sorption from water. Naphthalene was chosen because its aqueous solubility has been measured accurately over an appropriate range of temperatures (5), and thus adsorption thermodynamics can be better understood. Flow sorption methods were developed for examining the temperature dependence and reversibility of sorption. A gas purge desorption technique was used to examine desorption kinetics.