Fractional distillation column pumparound heat removal control

Details Fractional distillation column pumparound heat removal control Fractional distillation column pumparound heat removal control

1979-07-25

1981-01-20

Sever, Frank

Mineral oils: apparatus

Vaporizing

Automatic control

202160, 202206, 203 1, 208358, 208DIG1, B01D 342

Patent

active

042460700

ABSTRACT:
A control system for a fractional distillation column in which a pumparound stream is used to remove heat from the fractional distillation column is disclosed. A combination of feedforward and feedback control is utilized to control the heat removal by the pumparound stream in such a manner that smoother operation of the fractional distillation column will be accomplished and a closer approach to required product specifications will be approached.

REFERENCES:
patent: 3296121 (1967-01-01), Potts
patent: 3301778 (1967-01-01), Cabbage
patent: 3463725 (1969-08-01), MacFarlane et al.
patent: 3470069 (1969-09-01), Bracken et al.
patent: 3985623 (1976-10-01), Morgan et al.

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