Condensation of saturated vapours on compression and estimation of minimum suction superheating

Felbab, N.

doi:10.1016/j.applthermaleng.2012.12.026

Cited by 3 publications

(2 citation statements)

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“…An important point to take into consideration is that the saturated vapors of some fluids become superheated on isentropic compression, while others condense. The following criterion can determine which of those two outcomes occurs

{\overset{C}{true}}_{p, 1}^{IG} T_{normalC} < λ (superheated) {\overset{C}{true}}_{p, 1}^{IG} T_{normalC} > λ (partiallycondensed)

…”

Section: Thermodynamic Analysis: Svrc Schemementioning

confidence: 99%

“…These parameters ensured that the column internals, and, thus, the product compositions, would be identical in both configurations. The compression ratio in K1 and the superheating in SH1 were estimated initially using a shortcut method, and then adjusted simultaneously, until both were at a (rough) minimum which allowed the SVRC system to work, but resulted in no condensation in the compressor.…”

Section: Rigorous Simulation and Validationmentioning

confidence: 99%

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Vapor recompression for efficient distillation. 1. A new synthesis perspective on standard configurations

et al. 2013

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The vapor recompression (VRC) distillation scheme is examined and compared with conventional distillation in an analysis spanning fundamental thermodynamics, high-level calculations, and rigorous simulation. The purpose of this article is three-fold: first, it provides greater insight into VRC distillation. Second, it provides a process synthesis tool to rapidly assess whether VRC is likely to be more thermodynamically favorable than conventional distillation for a given split. Third, it may be used to determine if VRC can be implemented practically. The tool presented in the article is consolidated in the form of a single chart, for which only the top and bottom product temperatures are required to determine the outcome. Using this chart, first-pass estimates can be obtained with no calculations whatsoever. The tool, which appears to be the first of its kind in this context, is validated with examples and rigorous simulation.

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