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- Title
Selective Recovery of Chromium from Precipitates Containing d Elements and Actinides: I. Effect of O2.
- Authors
Fedoseev, A.; Budantseva, N.; Yusov, A.; Shilov, V.; Delegard, C.
- Abstract
Oxidation of Cr(III) hydroxides, double Fe(III)-Cr(III) hydroxides, and some examples of spinel phases NiCr2O4 and Fe(Cr,Fe)2O4 in alkaline suspensions (0.2-0.5 M NaOH) under the action of air and pure oxygen (1-3 atm) was studied. The reaction rate increases with increasing concentration of alkali, temperature, and oxygen pressure. Under these conditions, Pu(IV) sorbed on chromium hydroxides is not oxidized with oxygen and remains in the precipitate.
- Publication
Radiochemistry, 2002, Vol 44, Issue 4, p347
- ISSN
1066-3622
- Publication type
Article
- DOI
10.1023/A:1020664609001