Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1977-01-14
1978-07-18
Hart, Charles N.
Gas separation
Means within gas stream for conducting concentrate to collector
55 48, 55 55, 55 88, 55 89, B01D 1900, B01D 5314
Patent
active
041012976
ABSTRACT:
The present invention is a process for recovering solvent vapor which comprises absorbing solvent vapor in a first absorbing liquid, and subsequently stripping the solvent vapor to regenerate the first absorbing liquid. The stripped solvent vapor may be reabsorbed in a second absorbing liquid. The second absorbing liquid may be under greater than atmospheric pressure. Regenerating the first absorbing liquid may occur at pressures only slightly below atmospheric pressure, i.e., a low vacuum, by recycling the absorbing liquid to a regenerator. Because the regenerating process does not require the use of a high vacuum, the gas recovery apparatus may be more economically constructed and operated.
REFERENCES:
patent: 3217466 (1965-11-01), Bogart
patent: 3232027 (1966-02-01), Lorenz et al.
patent: 3323289 (1967-06-01), Venemark
patent: 3633340 (1972-01-01), Illingworth
patent: 3861890 (1975-01-01), Doncer et al.
patent: 3867111 (1975-02-01), Knowles
patent: 3907524 (1975-09-01), Haines, Jr.
"Absorption of Gases", v.m. Ramm. pp. 9-13, 655, 668, 671, 1966 (Moscow, USSR).
Fujiike Hiroshi
Nishiura Ichiro
Tamura Motohiko
Uda Kazumi
Hart Charles N.
Mitsubishi Jukogyo Kabushiki Kaisha
Spitzer Robert H.
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