Fractionator reflux pump method and apparatus

Details Fractionator reflux pump method and apparatus Fractionator reflux pump method and apparatus

1987-02-20

1988-05-24

Bascomb, Wilbur

Distillation: processes, separatory

With measuring, testing or inspecting

203 2, 203 3, 203 98, 203DIG7, 203DIG19, 62 37, 62 41, 196132, 202160, 208358, 208DIG1, B01D 342

Patent

active

047464070

ABSTRACT:
In a fractional distillation process, the operation of a reflux pump in the process is enhanced by providing that liquid discharged from the reflux pump is returned directly to the reflux pump suction during the periods when the liquid reflux supply from the fractional distillation process is not sufficient to keep the reflux pump in constant operation.

REFERENCES:
patent: 3229471 (1966-01-01), Palen et al.
patent: 3257372 (1966-06-01), Moon
patent: 3475288 (1969-10-01), Ezzell
patent: 4139420 (1979-02-01), Stunkel
patent: 4303478 (1981-12-01), Field
patent: 4427420 (1984-01-01), Reid
patent: 4557806 (1985-12-01), Stengle et al.
patent: 4559108 (1985-12-01), Ahlberg
patent: 4640743 (1987-02-01), Bannon et al.

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