Immobilizing toxic liquids

Details Immobilizing toxic liquids Immobilizing toxic liquids

1980-08-05

1982-07-27

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

With vapor discharged from storage receptacle

62 70, 137209, 169 45, 220 88B, F17C 1100

Patent

active

043410782

ABSTRACT:
Toxic liquids, especially halogenated aromatic hydrocarbons, are immobilized within a container by dispersing cryogenically comminuted polymer particles in a surface active state throughout the liquid. The polymer is injected into a container holding the toxic liquid as a slurry of particles in a cryogenic refrigerant. Use of a heat, shear or radiation degradable polymer as the immobilizing agent allows the solidified liquid to be returned to a fluid state for later disposal by incineration.

REFERENCES:
patent: 2936834 (1960-05-01), Gomory
patent: 3349945 (1967-10-01), Baker
patent: 3380462 (1968-04-01), Schieber et al.
patent: 3850206 (1974-11-01), Canevari et al.
patent: 3880179 (1975-04-01), Lenz et al.
patent: 4124997 (1978-11-01), Sadjine et al.
"Several Remedies for the Treatment of Spillages of Liquid Hazardous Chemicals", Proc. of 1980 Nat. Conf. on Control of Hazardous Spills, pp. 103-108.
"Methods to Treat, Control and Monitor Spilled Hazardous Materials", Calspan Corp., NTIS Pub. Nos. PB-243 & 306, pp. 62-79, (1975).

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