Method for adiabatic cooling type crystallization of organic...

Details Method for adiabatic cooling type crystallization of organic... Method for adiabatic cooling type crystallization of organic...

2011-03-08

2011-03-08

Jones, Melvin (Department: 3744)

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

C062S123000

Reexamination Certificate

active

07900473

ABSTRACT:
The present invention provides a method for adiabatic cooling type crystallization of organic compound and an apparatus therefore, by which running cost and facility cost can be reduced.The method comprises carrying out adiabatic cooling and evaporation operation of a coolant in a crystallizer20for a mixture solution of a target organic compound containing the coolant; taking out crystal slurry produced by the operation from the crystallizer20; pressurizing evaporated vapor to a pressure higher than the operation pressure in the crystallizer20by a compressor30, introducing the vapor to an absorption condenser10; cooling for condensation the mixture solution of organic compound and the evaporated vapor that has been pressurized while allowing them to contact each other in the absorption condenser10; and introducing this absorption condensate to the crystallizer20.

REFERENCES:
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patent: 03-042001 (1991-02-01), None
patent: 04-327542 (1992-11-01), None
patent: 05-309203 (1993-11-01), None

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