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Study on some physical chemistry aspects of extraction of uranium(VI) with bis(octylsulfinyl)methane
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Yang Yan-Zhao
Published/Copyright:
September 25, 2009
Summary
The extraction equilibrium and kinetics of uranium(VI) from aqueous nitric acid with bis(octylsulfinyl)methane (BOSM) in 1,1,2,2-tetrachloroethane extraction has been studied. The extracted species was established to be UO2(NO3)2·2BOSM. The extraction process rate is controlled by the following reaction:
The change in enthalpy associated with the extraction reaction was established to be −22 ± 3 kJ/mol.
Received: 2004-6-14
Accepted: 2004-11-8
Published Online: 2009-9-25
Published in Print: 2005-6-1
© by Oldenbourg Wissenschaftsverlag, München
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Articles in the same Issue
- Activation cross sections for reactions induced by 14 MeV neutrons on natural tin and enriched 112Sn targets with reference to 111In production via radioisotope generator 112Sn(n, 2n)111Sn → 111In
- Study on some physical chemistry aspects of extraction of uranium(VI) with bis(octylsulfinyl)methane
- Adsorption modeling and thermodynamic characteristics of uranium(VI) ions onto 1-(2-pyridylazo)-2-naphthol (PAN) supported polyurethane foam
- Sorption of trivalent plutonium onto UO2 and the effect of the solid phase on the Pu oxidation state
- Solubility of uranium(IV) hydrous oxide in high pH solution under reducing condition
- Recovery of minor actinides from HLLW using the DIAMEX process
- Towards a DIAMEX process using high active concentrate. Production of genuine solutions
- The mobility of anthropogenic 129I in a shallow sand aquifer at Sturgeon Falls, Ontario, Canada
