Filter element reduction method

Details Filter element reduction method Filter element reduction method

1985-10-30

1987-12-29

Lechert, Jr., Stephen J.

Compositions

Radioactive compositions

252631, 252635, 376313, G21F 916, G21F 904

Patent

active

047159928

ABSTRACT:
Disclosed is a method of reducing the volume of a material containing addition polymerizable bonds by contacting the material with sufficient butyrolactone to dissolve the soluble organic material therein and form a slurry. About 0.1 to about 2% by weight, based on the slurry weight, of an addition polymerizable catalyst is added to polymerize and solidify the slurry. About 10 to about 50% by weight, based on total slurry weight, of an ethylenically unsaturated monomer, such as styrene, can be added to aid in the polymerization process. The process is especially suited to filter elements containing radioactive contaminants.

REFERENCES:
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patent: 3902981 (1975-09-01), Chu
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patent: 4230597 (1980-10-01), Bustard et al.
patent: 4234447 (1980-11-01), Hay, II et al.
patent: 4315831 (1982-02-01), Morin et al.
patent: 4382026 (1983-05-01), Drake et al.
patent: 4387216 (1983-06-01), Irving
patent: 4405512 (1983-09-01), Filter et al.
patent: 4452733 (1984-06-01), Horiuchi et al.
Hawley, G., 1981, The Condensed Chemical Dictionary-Tenth Edition, Van Nostrand Reinhold Co., New York, pp. 120 and 171.

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