Liquid purification or separation – With means to add treating material – Spaced along flow path
Patent
1978-07-19
1980-04-08
Spitzer, Robert H.
Liquid purification or separation
With means to add treating material
Spaced along flow path
210202, 210219, 210242A, 210256, C02C 110, C02C 510
Patent
active
041972023
ABSTRACT:
The present invention relates to a biological sewage treatment plant designed for the treatment of sewage by means of the active sediment method. The sewage treatment plant consists of a tank in the shape of a cylinder, wherein the concentric biosorption, biostabilization and settling chambers formed by vertical stationary screens coupled with each other are accommodated. The said chambers are divided into the internal and external sections formed by annular movable screens, connected to the rotary construction located above the tank. In the above mentioned construction there are suspended turbine aerators and aerating brushes. The movable screens are provided with floats with variable dipping depth consisting of vertical containers connected at a top with the gas supply pipe and, at the bottom, provided with suitable holes. The movable and stationary screens have ribs, wings and blades.
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patent: 3435954 (1969-04-01), Ohl et al.
patent: 3448861 (1969-06-01), Berk
patent: 3460677 (1969-08-01), Fifer
patent: 3534857 (1970-10-01), Berk
patent: 3733263 (1973-05-01), Mandt
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patent: 3917532 (1975-11-01), King
patent: 4006085 (1977-02-01), Matteson
Narbutt Lech
Przybylowicz Ryszard
Stepien Jerzy
Przedsiebiorstwo Instalacjiprzemyslowych "Instal"
Spitzer Robert H.
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