Method and an apparatus for biological treatment of waste waters

Details Method and an apparatus for biological treatment of waste waters Method and an apparatus for biological treatment of waste waters

1980-08-25

1982-10-12

Hruskoci, Peter A.

Liquid purification or separation

Processes

Treatment by living organism

210617, 210628, 210629, 210138, 210151, 2101953, 261 80, 261 92, C02F 308

Patent

active

043538002

ABSTRACT:
A waste water treatment plant providing biological oxidation, biological nitrification and denitrification and biological removal of phosphorus and clarification of the treated waste water in a single reaction tank in a single suspended growth sludge system without the use of the traditional compressors, surface aerators, mixers, recirculation pumps, sludge scrapers, sludge return pumps, piping and valving.

REFERENCES:
patent: 563811 (1896-07-01), Scowden
patent: 798908 (1905-09-01), Kremer
patent: 1799299 (1931-04-01), Johnston
patent: 1971796 (1934-08-01), Scott
patent: 3980556 (1976-09-01), Besik
patent: 4008159 (1977-02-01), Besik
patent: 4026802 (1977-05-01), Akae
patent: 4153430 (1979-05-01), Cheng et al.
patent: 4271026 (1981-06-01), Chen et al.

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