Control of a fractional distillation column

Details Control of a fractional distillation column Control of a fractional distillation column

1980-07-02

1981-11-24

Sever, Frank

Refrigeration

Processes

Circulating external gas

203 2, 203DIG18, 208DIG1, B01D 342

Patent

active

043022294

ABSTRACT:
A control system for a fractional distillation column, where the feed to the fractional distillation column is supplied from at least one separator, is disclosed in which overloading of the fractional distillation column is prevented by monitoring a control parameter associated with the fractional distillation column which indicates that the fractional distillation column is being overloaded. The flow of the feed from the at least one separator is manipulated to maintain the control parameter which indicates that the fractional distillation column is being overloaded within desired limits. The feed to the at least one separator is manipulated to maintain the liquid level in the at least one separator within desired limits.

REFERENCES:
patent: 2882693 (1959-04-01), Clay
patent: 2885863 (1959-05-01), Berger
patent: 3143643 (1964-08-01), Fluegel et al.
patent: 3411308 (1968-11-01), Bellinger
patent: 3420748 (1969-01-01), Johnson et al.
patent: 3427228 (1969-02-01), Constantikes et al.

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