Removal of tritiated species from gas streams comprised thereof

Details Removal of tritiated species from gas streams comprised thereof Removal of tritiated species from gas streams comprised thereof

1979-12-10

1984-09-11

Lutter, Frank W.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

For radioactive reactant or product

422119, 422169, 252626, 252630, G01D 1126, C01F 100

Patent

active

044709552

ABSTRACT:
Tritiated species, e.g., tritium, tritiated water, and/or tritiated hydrocarbons, are removed from gas streams comprised thereof by reacting the same over a precious metal catalyst with sufficient air or oxygen to convert all tritiated species to tritiated water and, if hydrocarbons are present in the gaseous feedstock, carbon dioxide. The tritiated water and any other moisture that might be present in the reaction effluent are next adsorbed by a desiccant dryer, preferably to a level of less than one part per million. Most desirably, the desiccant dryer effluent is then diluted with non-radioactive water such that the tritiated water is diluted by a factor of at least 1,000 to 1; the resulting water mixture can be adsorbed from the diluted effluent by a second desiccant dryer to provide a value in the ultimate effluent gas of less than about one-half parts per billion tritiated water.

REFERENCES:
patent: 3074776 (1963-01-01), Ryan et al.
patent: 3179487 (1965-04-01), Baldus

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