Simultaneous heat and mass transfer in binary distillation
Journal Article
·
· Heat Transfer - Jpn. Res.; (United States)
OSTI ID:5290724
Measurements of simultaneous heat and mass transfer in binary distillation of the methanol-water and the ethanol-water systems at total reflux were made with a small vertical flat-plate wetted-wall column. A new theoretical approach was used which takes into account the effect of bulk flow caused by the mass fluxes of the more- and the less-volatile component on the rate of heat and mass transfer in the binary distillation. The individual vapor- and liquid-phase resistances were evaluated so as to show that the former was controlling. Observed vapor-phase sensible heat fluxes and diffusion fluxes were compared with theroretical values by a laminar boundary layer theory. 16 refs.
- Research Organization:
- Tokyo Inst of Technol, Jpn
- OSTI ID:
- 5290724
- Journal Information:
- Heat Transfer - Jpn. Res.; (United States), Journal Name: Heat Transfer - Jpn. Res.; (United States) Vol. 9:2; ISSN HTJPA
- Country of Publication:
- United States
- Language:
- English
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