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Estimation of distribution coefficient of uranium in soil by batch tests
Manoj S, , Elango L.
Published in IOP Publishing
Volume: 263
Issue: 3
Sorption studies were performed to estimate the soil distribution coefficient (Kd). Since soil and groundwater are major controlling factors for the Kd value, it is important to determine the site specific Kd value. In this study, special emphasis has been given to soil and groundwater parameters which control the Kd value of uranium around the mineralized zone. Based on the analysis of soil sample, the distribution coefficient of uranium around the mineralized zone varies from 7 to 369 l/kg. It is also observed that distribution coefficient of uranium in this region not only depends on the individual parameter and it varies significantly with space. Increase and decrease in Kd value was observed when the pH ranges from 4-7 and 7-8.5 respectively which indicates that the increase in pH greater than 7 will reduce the Kd value. No significant correlation was observed between the Kd value and other parameters such as soil texture, CaCO3, CEC and major ion concentration in groundwater. Determination of Kd value in a uranium mineralized zone will be used to predict and model the contaminant transport. © Published under licence by IOP Publishing Ltd.
About the journal
JournalData powered by TypesetIOP Conference Series: Materials Science and Engineering
PublisherData powered by TypesetIOP Publishing
Open AccessYes