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Sorption capabilities of soils for phosphate removal

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Title: Sorption capabilities of soils for phosphate removal
Author: Zarnett, G. D.
Abstract: The removal of phosphorus from soils was shown to be the result of three mechanisms: ion exchange, physical adsorption and precipitation. The degree of sorption by the combination of these mechanisms was evaluated by an equilibrium-adsorption procedure. The equilibrium distribution between the soil and liquid phases were correlated using the Langmuir Isotherm Equation. The Langmuir Parameters were incorporated in the expression v? /vc = 1 + (q? ?B / ? CO) which gave an estimate of the rate of phosphorus movement in the soil. The life-time of a soil-groundwater system was then determined from the groundwater flow rate and the calculated water-to-contaminant velocity ratio.
Date: 1976
Rights: Queen's Printer for Ontario, Crown Copyright, Non-Commercial Use Permitted
Rights Holder: Queen's Printer for Ontario

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