Published February 1982 | Version v1
Report Metadata-only

Influence of nitric acid on the kinetic of complexation of uranyl nitrate extracted by TBP

Creators

Description

The effect of nitric acid on the solvatation rate of uranyl nitrate with tributyl phosphate is studied. In the process of mass transfer, it is shown that nitric acid enables the extraction of uranyl nitrate, therefore its concentration in the organic phase exceeds that in equilibrium solution. Subsequently uranyl nitrate ''displaces'' nitric acid. The presence of the acid in aqueous and organic phases affects in a complicated manner the rate of solvatation of uranyl nitrate with tributyl phosphate

Availability note (English)

Available from CEN Saclay, Service de Documentation, 91191 - Gif-sur-Yvette Cedex (France).

Abstract (French)

On a etudie l'influence de l'acide nitrique sur la vitesse de solvatation du nitrate d'uranyle par le TBP. Dans le processus de transfert de masse on montre que l'acide permet l'extraction du nitrate d'uranyle et que sa concentration dans la phase organique depasse celle des solutions a l'equilibre. La solution de nitrate d'uranyle deplace donc l'acide nitrique. La presence de l'acide dans les phases aqueuses et organiques rend plus compliquee l'etude de la vitesse de solvatation du nitrate d'uranyle par le TBP

Additional details

Additional titles

Original title (French)
Influence de l'acide nitrique sur la cinetique de la reaction de formation du complexe de nitrate d'uranyle, extrait par le tributylphosphate

Publishing Information

Imprint Pagination
16 p.
Report number
CEA-TR--2-687-6

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
14760741
Subject category
S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY; S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CHEMICAL REACTION KINETICS; MASS TRANSFER; NITRIC ACID; SOLVATION; SOLVENT EXTRACTION; TBP; URANYL NITRATES
Descriptors DEC
ACTINIDE COMPOUNDS; BUTYL PHOSPHATES; ESTERS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; KINETICS; NITRATES; NITROGEN COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC PHOSPHORUS COMPOUNDS; OXYGEN COMPOUNDS; PHOSPHORIC ACID ESTERS; REACTION KINETICS; SEPARATION PROCESSES; URANIUM COMPOUNDS; URANYL COMPOUNDS

Optional Information

Notes
Translation of report RI-121 (Radievyi Institut V.G. Khlopin, SSSR), 1981, p. 3-19.