Magnetron solvent recovery system

Details Magnetron solvent recovery system Magnetron solvent recovery system

1980-10-09

1982-02-02

Yudkoff, Norman

Concentrating evaporators

Closed evaporating chambers

159DIG26, 159DIG10, 219 1055M, 528502, B01D 100

Patent

active

043137865

ABSTRACT:
Patent discloses a method and an apparatus for the recovery of organic solvents from mixtures of organic solvents and polymers soluble or dispersible in the organic solvents. The method comprises the heating, by microwave radiation utilizing a magnetron type radiation source, of the mixture causing said mixture to reach the heat of flashing and/or evaporation of the solvent, collecting the solvent as it so vaporizes and recovering fresh solvent. The dry cake can be discarded or reused depending upon the extent of polymerization.

REFERENCES:
patent: 3294879 (1966-12-01), Jacobs
patent: 3311676 (1967-03-01), Toekes
patent: 3432636 (1969-03-01), Sargeant
patent: 3495648 (1970-02-01), Amadon
patent: 4026931 (1977-05-01), Wiesel et al.
Handbook of Foamed Plastice, Rene J. Bender, 1965, pp. 126, 127, Lake Publishing Co.
Polyurethanes Chemistry and Technology, Saunders and Frisch, 1962, p. 237, Interscience Publishers.

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