Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1980-04-23
1982-03-09
Lacey, David L.
Gas separation
Means within gas stream for conducting concentrate to collector
55 89, 55 94, 55226, 55257R, 261116, 422172, 422225, 423241, B01D 4706, B01D 4712, C11B 720
Patent
active
043187170
ABSTRACT:
Impure gas streams are purified/treated in a gas-liquid phase contactor of cocurrent spray scrubber type, wherein the feed gas, together with a cocurrently descending spray of treatment liquid, are introduced into a contact zone under conditions such that the pressure of atomization of the liquid and the liquid dispersing velocity of the gas feed ensure effective interphase surface and contact time therefor, whereby the impure gas is efficiently physically scrubbed by said liquid, either with or without concomitant chemical reaction therebetween, and the dispersed liquid interphase is then vertically directed to a downstream separation zone wherein the gas stream is subjected to an abrupt change in direction and is thus separated from the interphase at essentially the original inlet velocity thereof and with essentially no content of treatment liquid, while at the same time essentially all of the atomized treatment liquid maintains its vertically downward descent to a liquid collection and recovery zone. Advantageously, the contact zone inlet comprises a constriction adapted to ensure the effective interphase surface and contact time therefor.
REFERENCES:
patent: 757757 (1904-04-01), Luhne
patent: 970654 (1910-09-01), Sepolchre
patent: 3113168 (1963-12-01), Kinney
patent: 3166348 (1963-12-01), Walker
patent: 3339344 (1967-12-01), Pallinger
patent: 3385030 (1968-05-01), Letvin
patent: 3427006 (1969-02-01), Oiestad
patent: 3456928 (1969-07-01), Selway
patent: 3552727 (1971-01-01), Ortgies
Lacey David L.
Rhone-Poulenc Industries
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