Fractional distillation process and applications thereof to the

Details Fractional distillation process and applications thereof to the Fractional distillation process and applications thereof to the

1983-04-29

1985-03-26

Bascomb, Wilbur

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat in subsequent step in process

203 72, 203 75, 203 89, 203100, 203DIG1, 203DIG9, 203DIG16, 202154, 202185C, 202173, 202234, 202158, 202236, 202237, 432 30, 159 1G, B01D 122, B01D 328

Patent

active

045071756

ABSTRACT:
A novel fractional distillation process and applications thereof to the production of thermal or mechanical energy from two low level heat sources wherein a mixture of two highly non-ideal reactive solutions such, for example, as of the water/ammonia type, is separated into its water and ammonia components in an apparatus comprising a cascade of condensers and evaporators operating respectively at the temperature of the cold source and at the temperature of the hot source and at staggered pressures. The residue and distillate formed are remixed in a mixing apparatus when it is desired to recover the thermal energy of dilution of the solutions.
The invention is applicable, in particular, to the heating of buildings from low level thermal energy and from the thermal energy of "cold wind".

REFERENCES:
patent: 2540151 (1951-02-01), Weller et al.
patent: 2609059 (1952-09-01), Benedict
patent: 3129146 (1964-04-01), Hassler
patent: 3298932 (1967-01-01), Baver
patent: 3306346 (1967-02-01), Othmer
patent: 3649471 (1972-03-01), Kunst
patent: 3755088 (1973-08-01), Osdor
patent: 4105505 (1978-08-01), Saari

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