CHEMICAL TECHNOLOGY DIVISION, CHEMICAL DEVELOPMENT SECTION B MONTHLY PROGRESS REPORT, JUNE-JULY 1960

Technical Report · Mon Dec 12 00:00:00 EST 1960

DOI:https://doi.org/10.2172/4082417· OSTI ID:4082417

Blanco, R E

The effect of two neutron poisons, baron and cadmium, on the rate of dissolution of high-density 95% ThO/sub 2/-5% UO/sub 2/ pellets in the Zirflex Process was determined. Dissolution of U-10% Mo alloy in boiling HNO/sub 3/ resulted in a precipitation of uranyl molybdates. Air caused greater uranium and thorium losses during decladding of ThO/sub 2/-UO/sub 2/ fuel than irradiation. Processing of U-Mo fuel by a Zircex type process is discussed. Two leaches of graphitized fuel with 90% HNO/sub 3/ recovered more than 99% of the uranium. Irradiation of synthetic ThO/sub 2/-UO/sub 2/ fuel solution to 5 and 10 watt-hr/l in a Co/sup 60/ source resulted in about a 50% decrease in decontamination factor using the acid-Thorex flowsheet. Corrosion of titanium, tantalum, and Ni-o-nel in Thorex solution and titanium corrosion in various molybdenum core alloy solutions were investigated. The solubilities of ferric mono- and dibutyl phosphates in HNO/sub 3/ and 30% TBP-Amsco-HNO/sub 3/ solutions were determined. Fission product concentrations expected in Purex waste from processing Yankee Atomic Reactor fuel were calculated. Chemical applications of nuclear explosions to H/sup 3/ exchange, reduction of CaSO/sub 4/, and Gnome sampling are discussed. (For preceding period see CF-60-6-108.) (M.C.G.)

• Research Organization: Oak Ridge National Lab., Tenn. (US)
• Sponsoring Organization: US Atomic Energy Commission (AEC)
• NSA Number: NSA-15-011045
• OSTI ID: 4082417
• Report Number(s): CF-60-7-76
• Resource Relation: Other Information: Orig. Receipt Date: 31-DEC-61
• Country of Publication: United States
• Language: English

Related Subjects

CHEMISTRY
AMSCO
BOILING
BORON
BUTYL PHOSPHATES
CADMIUM
CALCIUM SULFATES
CHROMIUM ALLOYS
COBALT 60
COPPER ALLOYS
CORROSION
DECONTAMINATION
EXPLOSIONS
FISSION PRODUCTS
FUELS
GRAPHITE
IRON
IRRADIATION
ISOTOPIC EXCHANGE
KEROSENE
LEACHING
MOLYBDENUM ALLOYS
NEUTRONS
NI-O-NEL
NICKEL ALLOYS
NITRIC ACID
PELLETS
POISONING
PRECIPITATION
PUREX PROCESS
REACTORS
RECOVERY
REDUCTION
REPROCESSING
SOLUTIONS
TANTALUM
THORIUM OXIDES
TITANIUM
TITANIUM ALLOYS
TRITIUM
URANIUM
URANIUM DIOXIDE
URANYL COMPOUNDS
WASTE SOLUTIONS
YAEC
ZIRFLEX PROCESS