On the Mechanism of Extraction of Uranium(VI) from Nitric Acid Solutions by Di-(2-ethylhexyl)-phosphoric Acid Gels

Authors

  • Kamal Shakir Nuclear Chemistry Department, Nuclear Research Centre, Atomic Energy Establishment, Cairo, Egypt
  • Shokry G. Beheir Nuclear Chemistry Department, Nuclear Research Centre, Atomic Energy Establishment, Cairo, Egypt

DOI:

https://doi.org/10.2533/chimia.1980.273

Abstract

The gel-liquid extraction of U(VI) has been investigated at nitric acid concentrations ranging from 0.01 to 10N using gels prepared by swelling styrene divinyl benzene beads with mixtures of solutions of di-(2-ethylhexyl)-phosphoric acid and nitrobenzene. Extraction at acidities below 5N HNO3 seems to be controlled by both a cation-exchange and a solvation mechanism. At higher acidities, a solvation mechanism appears to predominate.

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Published

1980-06-30

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Section

Kurze Mitteilungen

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