Process for the removal of fission-product inert gases in the reprocessing of nuclear fuel material

Patent · Tue Oct 31 04:00:00 EST 1978

OSTI ID:6358719

Schnez, H

A process is described for the removal of fission-product inert gases from the waste gases of a reprocessing plant for nuclear fuel materials in which the nuclear fuel is subjected to comminution and, after burning off of graphitic components, is subjected to chemical solubilization, e.g. in an acid. During the solubilization, a sparging gas is passed through the solution which entrains with it the waste gases from the solubilizer or digestion vessel. After acid recovery, the gas phase is filtered and collected, a portion of the gas phase, constituting the sparging gas, is recirculated to the solubilizing unit and consists predominantly of fission-product inert gas (generally xenon, krypton and krypton isotopes).

• Assignee: Kernforschungsanlage Juelich Gesellschaft mit beschraenkter Haftung
• Patent Number(s): US 4123484
• OSTI ID: 6358719
• Country of Publication: United States
• Language: English

Related Subjects

050800* -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ELEMENTS
ENERGY SOURCES
FISSION PRODUCTS
FUEL REPROCESSING PLANTS
FUELS
GASEOUS WASTES
ISOTOPES
KRYPTON
MANAGEMENT
NONMETALS
NUCLEAR FACILITIES
NUCLEAR FUELS
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
RARE GASES
REACTOR MATERIALS
REPROCESSING
SEPARATION PROCESSES
SPENT FUELS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
XENON