Method and apparatus for recovering solvents

Details Method and apparatus for recovering solvents Method and apparatus for recovering solvents

1991-12-13

1993-06-01

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

34 79, 62 40, F25J 300

Patent

active

052149242

ABSTRACT:
In a method and an apparatus for avoiding or reducing trouble-induced time delays in solvent recovery from production processes, apart from the solvent circuit and apart from the supplying of the locks with carrier gas, when necessary via at least one separate supply conduit a metered amount of pure carrier gas is supplied to the production plant and at the same time via at least one separate discharge conduit a substantially corresponding amount of mixture of carrier gas and solvent is withdrawn.

REFERENCES:
patent: 3400545 (1968-09-01), Hendal
patent: 3874184 (1975-04-01), Harper et al.
patent: 3912476 (1975-10-01), Mikawa et al.
patent: 4223450 (1980-08-01), Rothchild
patent: 5084081 (1992-01-01), Rohde
Abluftreinigung durch Losemittelruckgewinnug, Cav 1988, Sep., pp. 30, 32, 34, 39.
Technische Rundschau 23/87, Seiten 46-47, "Losemillelrecycling auf Inertgasbasis".

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