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Class Information
Number: 376/312
Name: Induced nuclear reactions: processes, systems, and elements > Fission reactor material (including reaction products) treatment > Impurity removal > By cold traps or hot traps
Description: Subject matter wherein the impurities are removed from a fluid stream by lowering the temperature thereof to a point which induces precipitation of the impurities.










Patents under this class:

Patent Number Title Of Patent Date Issued
8619942 Radioactive debris trap Dec. 31, 2013
8457271 Radioactive debris trap Jun. 4, 2013
8379789 Nuclear plant Feb. 19, 2013
6625248 Process for the treatment of radioactive graphite Sep. 23, 2003
6086652 Method and apparatus for initial purification of liquid metal heat exchange fluid Jul. 11, 2000
6086654 Hydride removal method for liquid metal heat exchange fluid in high hydrogen permeation environment Jul. 11, 2000
5461648 Supercritical water oxidation reactor with a corrosion-resistant lining Oct. 24, 1995
5289511 Liquid-metal cooled nuclear reactor Feb. 22, 1994
5149493 Installation to regenerate cold traps loaded with the hydride and oxide of a liquid metal Sep. 22, 1992
5108697 Inhibiting stress corrosion cracking in the primary coolant circuit of a nuclear reactor Apr. 28, 1992
5030411 Removal of impurities from coolant of a nuclear reactor Jul. 9, 1991
H920 Method of removing cesium from steam May. 7, 1991
4928497 Cold trap for the purification of a liquid metal having separate trapping zones May. 29, 1990
4892653 Cold trap for the purification of liquid metals containing dissolved impurities Jan. 9, 1990
4830816 Getter trap for removing hydrogen and oxygen from a liquid metal May. 16, 1989
4816209 Method and apparatus for separating radioactive constituents from gas or vapors escaping accidentally from nuclear reactors Mar. 28, 1989
4737281 Cold trap for purifying liquid sodium containing impurities Apr. 12, 1988
4713214 Device for purifying liquid metal coolant for a fast neutron nuclear reactor Dec. 15, 1987
4693088 Cold trap for eliminating impurities from a polluted liquid metal Sep. 15, 1987
4683056 Cold trap apparatus Jul. 28, 1987
4581200 Method and apparatus for removing hydrogen from secondary cooling systems of fast breeder reactors Apr. 8, 1986
4488964 Apparatus for removing a radioactive substance from a molten metal Dec. 18, 1984
4432208 Cold trap Feb. 21, 1984
4389310 Cold trap Jun. 21, 1983
4291865 Radial cold trap Sep. 29, 1981
4290822 Process for cleaning a cold trap Sep. 22, 1981
4278499 Apparatus for the purification of a liquid metal for cooling in the core of a fast neutron reactor Jul. 14, 1981
4191558 Sodium purification apparatus and method Mar. 4, 1980
4156659 Method of manufacturing a reducing gas useful in a direct reduction process May. 29, 1979
4088533 Radionuclide trap May. 9, 1978
4075060 Method for removing fission products from a nuclear reactor coolant Feb. 21, 1978
4038060 Apparatus for treating an exhaust gas from nuclear plant Jul. 26, 1977
4012490 Removing radioactive noble gases from nuclear process off-gases Mar. 15, 1977
4010068 Removal of radioactive contamination from a nuclear reactor coolant Mar. 1, 1977
3962082 Liquid metal cold trap Jun. 8, 1976
3941586 Method and apparatus for regenerating cold traps within liquid-metal systems Mar. 2, 1976











 
 
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