Air diffusion device for aerating water with small bubbles

Details Air diffusion device for aerating water with small bubbles Air diffusion device for aerating water with small bubbles

1985-08-12

1986-11-25

Castel, Benoit

Liquid purification or separation

With means to add treating material

Directly applied to separator

2102212, 261122, 239145, C02F 700, C02F 320

Patent

active

046247815

ABSTRACT:
An air diffusion device for aerating water with small bubbles, such as for use in clarification ponds, has a perforated air diffusion foil mounted above a tight backing plate. Cross strips are fixed above the foil. The foil is joined tightly at its edges to the solid plate by means of edge strips; cross strips are joined directly to the backing plate. Ballast inlays, preferably extending crosswise, are mounted at intervals in the solid plate to increase the weight of the device.

REFERENCES:
patent: 1343123 (1920-06-01), Gahl et al.
patent: 1642051 (1927-09-01), Wall
patent: 2040941 (1936-05-01), Jones et al.
patent: 2687287 (1954-08-01), Coppock
patent: 3111686 (1963-11-01), Sierant
patent: 3182978 (1965-05-01), Reilly
patent: 3490752 (1970-01-01), Danjes et al.

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