Precipitation of plutonium(IV) oxalate in Task I

Technical Report · Wed Apr 01 04:00:00 EST 1953

DOI:https://doi.org/10.2172/7278078· OSTI ID:7278078

Harmon, K M

Laboratory experience on the precipitation of Pu(IV) oxalate is summarized. Filterable Pu(IV) oxalate with a cake density of 0.6 to 0.7 g Pu/cm/sup 3/ cake was precipitated from Redox PR solutions containing 10 to 200 g/l Pu and 2 to 6 M HNO/sub 3/. Filtration ease increased with strike temperature from 35 to 60/sup 0/C. Optimum conditions for pre-reduction of Pu(VI) to (IV), precipitation, digestion, filtration and washing were determined for 60 g/l Pu. Separation factors of 80, 40, 20, and 12 for Al, Cr, Fe, and U and decontamination factors of 1.2, 12, and 3 for Am, Ru, and Zr--Nb were obtained.

• Research Organization: Hanford Works, Richland, WA (USA)
• OSTI ID: 7278078
• Report Number(s): HW-27563
• Country of Publication: United States
• Language: English

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ACTINIDE COMPOUNDS
ACTINIDES
ALUMINIUM
AQUEOUS SOLUTIONS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHROMIUM
CLEANING
DECONTAMINATION
DICARBOXYLIC ACIDS
DISPERSIONS
EFFICIENCY
ELEMENTS
ENERGY SOURCES
FILTRATION
FISSION PRODUCTS
FUELS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
IRON
ISOTOPES
METALS
MIXTURES
NITRIC ACID
NUCLEAR FUELS
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXALATES
OXALIC ACID
PLUTONIUM
PLUTONIUM COMPOUNDS
PRECIPITATION
RADIOACTIVE MATERIALS
REACTOR MATERIALS
REDOX PROCESS
REPROCESSING
SEPARATION PROCESSES
SOLUTIONS
SPENT FUELS
TRANSITION ELEMENTS
TRANSURANIUM COMPOUNDS
TRANSURANIUM ELEMENTS
URANIUM