Pressure Drop Measurements on Distillation Columns

T. J. Cai; M. R. Resetarits

doi:10.1016/S1004-9541(11)60056-6

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Pressure Drop Measurements on Distillation Columns

Updated：2026-01-06

- Pressure Drop Measurements on Distillation Columns
- Chinese Journal of Chemical Engineering Vol. 19, Issue 5, Pages: 779-783(2011)
- Affiliations：
  
  Fractionation Research, Inc., 424 S. Squires St, Suite 200, Stillwater,OK,USA,74074
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60056-6
  CLC：
- Published：2011
- Accepted：
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T.J. Cai, M. R. Resetarits. Pressure Drop Measurements on Distillation Columns[J]. , 2011, 19(5): 779-783.
DOI：

T.J. Cai, M. R. Resetarits. Pressure Drop Measurements on Distillation Columns[J]. , 2011, 19(5): 779-783. DOI： 10.1016/S1004-9541(11)60056-6.

摘要

Abstract

Pressure drops are of major importance for distillation/absorption columns. This paper mainly discusses how to correctly measure

interpret and use pressure drop data. The possible causes of incorrect pressure drop measurements are studied including the effects of pressure tap dimensions

locations

and vapor condensation etc. The effect of the static head of vapor on the pressure drop data and column pressures is evaluated. Variations of sec-tional pressure drops along the column are investigated based on the experimental data obtained from commercial size distillation columns at Fractionation Research

Inc. (FRI). For a packed column

it is found that the spacing between the liquid distributor and the top of the bed affects the overall pressure drop measurements

which is con-firmed by a fundamental fluid dynamics analysis.

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