Apparatus for contacting a gas with a liquid, in particular for

Details Apparatus for contacting a gas with a liquid, in particular for Apparatus for contacting a gas with a liquid, in particular for

1986-09-12

1988-05-03

Miles, Jim

Gas and liquid contact apparatus

Fluid distribution

Pumping

261 641, 261 91, B01F 304

Patent

active

047418699

ABSTRACT:
An apparatus for aerating waste water comprising a surface aerator adapted to rotate about a vertical axis. A cap is disposed over the aerator, said cap being modified in several ways to improve the operation of the apparatus. In one embodiment a gas outlet opening with an exhauster is provided in a wall of the cap. Further circumferential spaced baffles may be disposed inside the cap. The cap may have a side wall with a lower edge extending vertically downwardly or inwardly. Other embodiments of the cap are specifically adapted for use in an installation for treating waste water, in which the apparatus serves also for bringing the liquid into circulation.

REFERENCES:
patent: 1110914 (1914-09-01), Feld
patent: 3503593 (1970-03-01), Nelson
patent: 3724667 (1973-04-01), McKinney
patent: 3933640 (1976-01-01), Kirk et al.
patent: 3980740 (1976-09-01), Bus
patent: 4043771 (1977-08-01), Amand

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