Gas diffuser with indefinite life and mixed bubble size capacity

Details Gas diffuser with indefinite life and mixed bubble size capacity Gas diffuser with indefinite life and mixed bubble size capacity

1984-09-24

1985-12-10

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Liquid tank

261124, B01F 304

Patent

active

045578796

ABSTRACT:
A diffuser for dispersing gas into a body of liquid that may contain suspended solids. Under ordinary clogging conditions, the diffuser will remain operative over an indefinite period of time by reason of large gas outlet openings at the bottom of the gas plenum chamber. In addition, it can be employed for a good portion of that time to disperse a substantial flow of coarse bubbles and fine bubbles, in a desired combination, simultaneously from a single gas plenum. Careful selection of the permeability and area of a top porous wall of a gas plenum chamber, together with proper selection of the level, size and number of coarse bubble gas outlet openings in the side walls of the plenum chamber, achieve the second feature.

REFERENCES:
patent: 803068 (1905-10-01), Plantinga
patent: 2637541 (1953-05-01), Rubin
patent: 3424443 (1969-01-01), Thayer
patent: 3606985 (1971-09-01), Reed
patent: 3608834 (1971-09-01), MacLaren
patent: 3915862 (1975-10-01), Moloney
patent: 3953554 (1976-04-01), Loughridge
patent: 4474714 (1984-10-01), Downs

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