Method of disposing radioactive ion exchange resin

Details Method of disposing radioactive ion exchange resin Method of disposing radioactive ion exchange resin

1983-12-07

1987-01-13

Lechert, Jr., Stephen J.

Compositions

Radioactive compositions

110237, 110342, 110346, 110344, 159DIG12, 252626, 252632, G21F 916, G21F 932

Patent

active

046363351

ABSTRACT:
A method for processing spent radioactive ion exchange resin formed in a nuclear power plant by a two-step pyrolysis method. First, the spent resin is heated at 350.degree. C. to decompose functional groups selectively. Then the base polymer, formed as residue, is decomposed at a temperature above 350.degree. C., e.g. 600.degree. C. After the thermal decomposition, exhaust gases which require a special exhaust gas disposal means, such as NO.sub.x and SO.sub.x can be reduce to below 1/20.

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patent: 4362659 (1982-12-01), Macedo et al.
patent: 4437999 (1984-03-01), Mayne
patent: 4460500 (1984-07-01), Hultgren
patent: 4499833 (1985-02-01), Grantham

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