ORIGINAL PAPER
Effect of clay fraction in soil on bioavailability and mobility of diesel oil - model studies
 
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Uniwersytet Przyrodniczy w Poznaniu, Katedra Biotechnologii i Mikrobiologii Żywności, ul. Wojska Polskiego 48, 60-627 Poznań, Poland
 
2
Uniwersytet Przyrodniczy w Poznaniu, Instytut Technologii Żywności Pochodzenia Roślinnego, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
 
 
Journal of Research and Applications in Agricultural Engineering 2016;61(1):92-95
 
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ABSTRACT
Contamination of arable lands with hydrocarbon compounds considerably reduces the efficiency and profitability of agricultural production as well as poses a risk of xenobiotics migration into the soil. Therefore, in-depth analyses of biological and physico-chemical phenomena occurring in contaminated soils for the effective prevention of land degradation are crucial. The aim of this study was to evaluate the effect of clay fraction on the bioavailability and mobility of diesel oil in model systems. The results indicate that the clay fraction significantly reduces the mobility of diesel fuel and its toxicity. On the other hand minerals with high sorption properties also reduce quantity of bioavailable hydrocarbons and consequently decrease biodegradation efficiency. Complete remediation of soils with high sorption properties may thus require the use of additional surfactants.
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