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✦   LIBER   ✦

Simulation of hydrodynamic behaviour and mass transfer efficiency of reduced pressure distillation

✍ Scribed by Dr. Belkacem Benadda; Dr. Pierre Moszkowicz; Dr. Michel Prost; Prof. Dr. Michel Otterbein; Kamal Mohammedi

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
467 KB
Volume
19
Category
Article
ISSN
0930-7516

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✦ Synopsis

A random packing hydrodynamic simulator is designed specially to carry out experiments under reduced pressures with a counter-current flow air/water system. The simulator results (air/water system) compared to those obtained in a real packed distillation column (benzylchloride/ethylbenzene system) show a good agreement between hydrodynamic parameters like pressure drop, flooding flow rate, and total liquid hold-up. Empirical relationships derived from the simulator experimental results are proposed allowing the calculation of the pressure drop in a packed distillation column, operating in the pressure range between 10 kPa and atmospheric pressure. The influence of reduced pressure on the HETP in the distillation column and interfacial area in the simulator was also investigated.

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✍ M. Haghshenas Fard; M. Zivdar; R. Rahimi; M. Nasr Esfahani; A. Afacan; K. Nandak πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 363 KB πŸ‘ 1 views

## Abstract The pressure drop and mass transfer efficiency for two‐phase flow in a structured packed column were simulated using a commercial CFD package, CFX version 10. The distillation of the methanol/isopropanol system was carried out in a 0.073 m diameter column, with an element composed of a