Apparatus for the biological purification of water

Details Apparatus for the biological purification of water Apparatus for the biological purification of water

1979-06-15

1983-06-28

Spitzer, Robert H.

Liquid purification or separation

With gas separator

2101954, 210202, 210218, 210220, B01D 1900, C02F 322

Patent

active

043904220

ABSTRACT:
Apparatus for the biological purification of water with the separation of activated sludge by fluid filtration with the spontaneous returning of activated sludge into the activation area or zone, said separation area or zone being arranged above the activation area.

REFERENCES:
patent: 1139024 (1915-05-01), Frank
patent: 2597802 (1952-05-01), Kappe
patent: 3003580 (1961-10-01), Lanning
patent: 3182801 (1965-05-01), Griffith
patent: 3339741 (1967-09-01), Bernard et al.
patent: 3507393 (1970-04-01), Weis et al.
patent: 3804255 (1974-04-01), Speece
patent: 4054524 (1977-10-01), Mackrle et al.

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