Gas diffusion system

Gas and liquid contact apparatus – Contact devices – Liquid tank

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Details

261124, B01F 304

Patent

active

049388991

ABSTRACT:
A gas diffusion system for use in aeration treatment of water, sewage, industrial waste and the like is provided. Gas is released from a lower gas diffuser and rises under the influence of buoyancy and impinges upon an upper gas diffuser having a larger maximum dimension than the lower gas diffuser. In preferred form, a draft conduit is utilized to cause pumping of liquid from the bottom of the liquid tank.

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patent: 3336016 (1967-08-01), Schreiber
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patent: 3931370 (1976-01-01), Murphy
patent: 4070423 (1978-01-01), Pierce
patent: 4203841 (1980-05-01), Shimizu et al.
patent: 4233269 (1980-11-01), Koye et al.
patent: 4421696 (1983-12-01), Graue et al.

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