Simulation of hydrodynamic behaviour and mass transfer efficiency of reduced pressure distillation
Identifieur interne : 001050 ( Main/Exploration ); précédent : 001049; suivant : 001051Simulation of hydrodynamic behaviour and mass transfer efficiency of reduced pressure distillation
Auteurs : N. Benadda [France] ; N. Moszkowicz [France] ; N. Prost [France] ; N. Otterbein [France] ; Kamal Mohammedi [Algérie]Source :
- Chemical Engineering & Technology [ 0930-7516 ] ; 1996-08.
Abstract
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.
Url:
DOI: 10.1002/ceat.270190404
Affiliations:
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<front><div type="abstract" xml:lang="en">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.</div>
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