Distillation: processes – separatory – With measuring – testing or inspecting – Of concentration
Patent
1993-12-02
1995-11-07
Manoharan, Virginia
Distillation: processes, separatory
With measuring, testing or inspecting
Of concentration
203 1, 203 2, 203DIG18, 202160, 364501, B01D 342
Patent
active
054645042
ABSTRACT:
In a distillation column, which for control purposes cannot tolerate the inherent dead time between analysis of consecutive samples in chromatograph analyzers, the chromatograph output is frequently corrected by inferring a dynamic correction based on the temperature change of a selected tray in the column. The dynamic correction applied to the distillation analyzer essentially eliminates the inherent dead time for obtaining a chromatograph analysis, and accordingly increased the rapidity of response of the column controls which rely on chromatograph analysis.
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Liptak, B. G., Process Control Handbook, pp. 843-844.
Bogatie George E.
Manoharan Virginia
Phillips Petroleum Company
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