Abstract
A washing method using potassium dichromate as oxidizing reagent was applied to remove fission products and their complexing agents from kerosene degraded with nitric acid. The fission products and their complexing agents were both effectively removed from the degraded kerosene, their removal percentage increasing with rising concentration of sulfuric acid and potassium dichromate. The removal percentage of fission products also increased slightly with shaking time of the mixture of degraded kerosene and acidic potassium dichromate solution. Change in volume ratio (O/A) however hardly affected the removal percentage. Lowering of the absorption bands due to carboxylic acids, nitrate esters and nitro compounds were observed in the infrared spectra of the degraded kerosene treated with acidic solution of potassium dichromate. Infrared analysis of TBP/kerosene treated with acidic potassium dichromate solution showed that no chemical degradation of the solvent had occurred to any extent.
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