Gas-liquid mixing process and apparatus

Details Gas-liquid mixing process and apparatus Gas-liquid mixing process and apparatus

1988-12-23

1990-04-24

Chiesa, Richard L.

Gas and liquid contact apparatus

Fluid distribution

Pumping

261 87, 261 93, 261123, 366102, 366295, 422227, B01F 304

Patent

active

049198491

ABSTRACT:
A gas-liquid mixing process and apparatus having a vessel with an axial flow down-pumping impeller in a draft tube has gas ingestion tubes extending into a body of liquid from a hollow portion of the impeller shaft or other fluid communication means with the overhead gas in the vessel. Upon gas-liquid mixing at liquid levels that interfere with vortex development by the impeller, gas is drawn from the overhead through the ingestion tubes into the body of liquid.

REFERENCES:
patent: Re32562 (1987-12-01), Litz
patent: 2293183 (1942-08-01), Walker
patent: 2404679 (1946-07-01), Andron et al.
patent: 3776531 (1973-12-01), Ebner et al.
patent: 3846516 (1974-11-01), Carlson
patent: 4193950 (1980-03-01), Stockner et al.
patent: 4277328 (1981-07-01), Pfalzer et al.
patent: 4290885 (1981-09-01), Kwak
patent: 4454077 (1984-06-01), Litz

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