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Reaction of formaldehyde and nitric acid in a remotely operated thermosiphon evaporator

Conference ·
OSTI ID:6315376
; ;
A safe, controlled method for reacting formaldehyde with excess nitric acid, while simultaneously concentrating a fissile uranium nitrate solution, was developed and is being used successfully at Oak Ridge National Laboratory in a remotely operated thermosiphon evaporator. The operation was adapted from laboratory studies to semicontinuously process multikilogram batches. Thus far, experience with this system includes the successful processing of more than 260 batches (2.7 kg per batch) of solution.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6315376
Report Number(s):
CONF-860317-6; ON: DE86005178
Country of Publication:
United States
Language:
English

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Related Subjects

052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ACTINIDE COMPOUNDS
ALDEHYDES
CHEMICAL REACTIONS
EVAPORATORS
FISSILE MATERIALS
FISSIONABLE MATERIALS
FORMALDEHYDE
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MATERIALS
NITRATES
NITRIC ACID
NITROGEN COMPOUNDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
URANIUM COMPOUNDS
URANIUM NITRATES