Methods for consolidating radioactive waste material using self-

Details Methods for consolidating radioactive waste material using self- Methods for consolidating radioactive waste material using self-

1979-05-14

1981-02-10

Welsh, Maurice J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 98, 106 99, 2523011W, 260 23, 260 292TN, G21F 900

Patent

active

042499496

ABSTRACT:
Self-setting compositions are formed by bringing into admixture an organic polyisocyanate, a non-ionic surface active agent devoid of isocyanate-reactive groups, an alkaline filler and water. Preferred alkaline fillers are portland cement, calcium oxide and hydrated lime. A plasticizer is preferably incorporated in the composition. Waste material, for example liquid or particulate radioactive wastes may be formed into a self-setting composition for consolidation and disposal. A particulate extender may be incorporated in the self-setting composition to give a product useful for example as a floor screed or cavity filler.

REFERENCES:
patent: 2902388 (1959-09-01), Szukiewicz
patent: 2954301 (1960-09-01), Szukiewicz
patent: 3977889 (1976-08-01), Shearing
patent: 3996154 (1976-12-01), Johnson et al.
patent: 4127548 (1978-11-01), Alexander

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