Liquid purification or separation – With gas separator
Patent
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.
Dracka Oldrich
Mackrle Svatopluk
Mackrle Vladimir
Agrotechnika, narodni podnik
Spitzer Robert H.
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