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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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