METHOD OF AUTOMATIC CONTROL OF EXTRACTION RECTIFICATION PROCESS Russian patent published in 2000 - IPC

Abstract RU 2146960 C1

FIELD: methods of automation of extraction rectification processes in chemical, petrochemical and other industries; production of isoprene and isopentane. SUBSTANCE: method consists in interacting control of temperature at lower and upper plates of tower and compensation for external disturbances in pressure of heat-transfer agent fed to tower still and in temperature of extractive reagent through change of flow rate of reflux and delivery of heat-transfer agent. EFFECT: improved quality of control of composition of distillate and bottoms product of tower at internal cross bonds external disturbances. 2 dwg

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RU 2 146 960 C1

Authors

Anufriev V.V.

Kudrjashov V.S.

Alekseev M.V.

Dates

2000-03-27—Published

1999-01-10—Filed