Refrigeration – Processes – Circulating external gas
Patent
1984-09-19
1985-12-03
Bashore, S. Leon
Refrigeration
Processes
Circulating external gas
62 20, 62 28, 62 30, 62 42, 202154, F25J 302
Patent
active
045564043
ABSTRACT:
The present invention is directed to an extractive distillation separatory technique wherein the improvement comprises a two stage column with a condenser only for the high pressure section and a reboiler only for the low pressure section, as well as a flash separation of a stream communicating between the sections.
REFERENCES:
patent: 2901404 (1959-08-01), Kirshenbaum et al.
patent: 4137129 (1979-01-01), Bjorklund
patent: 4293322 (1981-10-01), Ryan et al.
patent: 4318723 (1982-03-01), Holmes et al.
patent: 4383842 (1983-05-01), O'Brien
patent: 4415443 (1983-11-01), Murphy
patent: 4428759 (1984-01-01), Ryan et al.
Losin Martha S.
Shenoy Thirthahalli A.
Air Products and Chemicals Inc.
Anderson Andrew J.
Bashore S. Leon
Chase Geoffrey L.
Innis E. Eugene
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