Published September 1, 2015 | Version v1
Report Open

Thermodynamic Studies to Support Actinide/Lanthanide Separations

Creators

  • 1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Description

This milestone report summarizes the data obtained in FY15 on the complexation of HEDTA with Np(V) and U(VI) in a temperature range from 25 to 70°C. The results show the effect of temperature on the chemical speciation of Np(V) and U(VI) in the modified TALSPEAK Process, and help to evaluate the effectiveness of the process when the operation envelope (e.g., temperature) varies. Eventually, the results from this study will help to achieve a better control of the separation process based on the HEDTA/HEH[EHP] combination.

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Additional details

Publishing Information

Imprint Pagination
14 p.
Report number
LBNL--189581

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
47035851
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
Descriptors DEI
ACTINIDES; CONTROL; HEDTA; NEPTUNIUM COMPLEXES; PHOSPHONIC ACID ESTERS; RARE EARTHS; TALSPEAK PROCESS; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0273-0400 K; THERMODYNAMIC PROPERTIES; URANIUM COMPLEXES
Descriptors DEC
ACTINIDE COMPLEXES; AMINO ACIDS; CARBOXYLIC ACIDS; CHELATING AGENTS; COMPLEXES; ELEMENTS; ESTERS; HYDROXY ACIDS; METALS; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC PHOSPHORUS COMPOUNDS; PHYSICAL PROPERTIES; REPROCESSING; SEPARATION PROCESSES; TEMPERATURE RANGE; TRANSURANIUM COMPLEXES

Optional Information

Contract/Grant/Project number
None
Funding organization
USDOE (United States)
Secondary number(s)
OSTIID--1229561