Distillation: processes – separatory – Distilling to separate or remove only water – From organic compound
Patent
1980-09-22
1982-12-28
Sever, Frank
Distillation: processes, separatory
Distilling to separate or remove only water
From organic compound
202196, 202205, 202234, 202235, 203 19, 203 91, B01D 310
Patent
active
043660312
ABSTRACT:
Distillation method and apparatus for separation of alcohol from an alcohol-water mixture are disclosed which include use of a fluid-tight vacuum tank within which a surface condenser is located adjacent the tank bottom. The condenser has a vapor inlet above the condenser, and a condenser outlet which communicates with a first pump having a pump discharge outside the tank. A second pump is provided for removal of mixture from the bottom of the tank. In operation, an alcohol-water mixture is fed into the tank to completely fill the same while air is vented therefrom. The vent is closed, and mixture then is pumped from the tank and condenser to empty the condenser and to lower the level of mixture in the tank beneath the vapor inlet to the condenser. With the removal of mixture, a vacuum is created whereupon alcohol rapidly evaporates from the mixture surface to rapidly reduce the temperature of remaining mixture. Alcohol vapor enters the condenser where it is condensed, and the condensed alcohol subsequently is removed from the system by use of said first pump. Gauges are provided for measuring the concentration of alcohol in the mixture, and in the distilled alcohol from the condenser. Means are provided for maintaining the mixture at a predetermined level by the automatic introduction of fresh mixture into the tank in response to the mixture level.
REFERENCES:
patent: 2490659 (1949-12-01), Snyder
patent: 3330740 (1967-07-01), Duffy
patent: 4172767 (1979-10-01), Sear
Beckman Victor R.
Sever Frank
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