Pressure drop in pulsed extraction columns with internals of discs and doughnuts

Angelov, George; Gourdon, Christophe

doi:10.1016/j.cherd.2011.10.011

Cited by 34 publications

(8 citation statements)

References 17 publications

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“…In general, the pressure drop of the column, including the dry pressure drop and the wet pressure drop, or the total pressure drop, is very important for distillation. It is not only related to the operation conditions but also directly to the energy consumption , . With decreasing pressure drop, the energy consumption of distillation will decrease sharply.…”

Section: Resultsmentioning

confidence: 99%

Hydrodynamic Characteristics in the Counter‐Flow Total Spray Tray

et al. 2019

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The capacity of a column is limited by the distribution of gas and liquid, especially in case of large-diameter cross-flow trays. In order to solve the bottleneck, a new counter-flow tray named total spray tray (TST) was put forward. Taking air/water as medium, the hydrodynamic behavior, including the pressure drop, weeping, entrainment, and clear liquid height, was investigated, in comparison with the CTST, which had a higher capacity. Based on experimental data, the correlations of the TST pressure drop were established by regression analysis method. The experimental results show that the TST has a lower wet pressure drop and less weeping. More interestingly, its clear liquid height can be self-adjusting with the variation of the gas kinetic energy factor, which is beneficial to improving the capacity.

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Section: Resultsmentioning

confidence: 99%

Hydrodynamic Characteristics in the Counter‐Flow Total Spray Tray

et al. 2019

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“…The tray pressure drop is the most important factor affecting the gas distribution, especially at lower pressure (Wijin, 1998). Pressure drop represents the energy dissipated caused by fluid flowing through the tray, including dry-plate pressure drop and wet-plate pressure drop (Angelov and Gourdon, 2012;Luyben, 2012). The dry-plate pressure drop is a significant constituent part of the total pressure drop.…”

Section: Pressure Dropmentioning

confidence: 99%

Experimental study of two phase flow characteristics on the dual-flow tray

Zhang

Wang

et al. 2015

Chemical Engineering Research and Design

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“…Since the aim of this section is to sort the parameters with regard on how much they affect the d32 and the holdup, not to find precise quadratic models (or surface response), the kernels based on uniform turbulent energy dissipation are considered for the sake of simplicity. This moreover avoids to run (nearly) as many CFD simulation as experiments in the DOE However, the effect of the power input (AF) and of the internal geometry (T and H) on the average turbulent dissipation was considered, using the model proposed by (Milot et al, 1990), with the power coefficient k evaluated following (Angelov and Gourdon, 2012), and implemented in most pulsed column simulators.…”

Section: Sensitivity To the Parameters Of The Closure Modelsmentioning

confidence: 99%