Abstract
This paper presents a treatability study for theremediation of soils contaminated with phosalone.Experimental tests were performed on an artificiallycontaminated standard soil with medium organic content.Phosalone was removed from the contaminated soil byflushing with an aqueous solution of ethanol. Ethanolconcentration was in the range between 5 and 10% vol.Pollutant extraction efficiency, ethanol loss in soil andsoil erosion were determined to assess the optimalextraction conditions. The extraction solution was thensubmitted to an hydrolysis treatment in order to remove phosalone.The degradation kinetic of phosalone during hydrolysis inpresence of ethanol was investigated. Experimental testswere performed at several pH and temperature conditions andkinetic constant rate were determined. In addition, theeffect of temperature on half-life time and activationenergy of hydrolysis reaction was examined.
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Di Palma, L. Experimental Assessment of a Process for the Remediation of Organophosphorous Pesticides Contaminated Soils Through In Situ Soil Flushing and Hydrolysis. Water, Air, & Soil Pollution 143, 301–314 (2003). https://doi.org/10.1023/A:1022890529765
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DOI: https://doi.org/10.1023/A:1022890529765