Liquid purification or separation – With means to add treating material – With distinct reactor tank – trough or compartment
Patent
1977-12-06
1980-05-20
Hart, Charles N.
Liquid purification or separation
With means to add treating material
With distinct reactor tank, trough or compartment
210220, 261 77, 261123, C02C 106, C02C 112
Patent
active
042038413
ABSTRACT:
Waste water containing organic materials is introduced into an aeration tank, and is subjected to aeration treatment in the presence of activated sludge, while supplying oxygen to the aeration tank. The tank provided with an air diffusion pipe at the bottom of the tank, an air dispersion device above the air diffusion pipe and a plurality of inside cylinders above the air dispersion device. An overall circulating stream and partial circulating streams are generated in the aeration tank.
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Ichihashi Kazuaki
Nakaoka Azuma
Odawara Youji
Saitou Setsuo
Shimizu Norio
Hart Charles N.
Hitachi , Ltd.
Hroskoci Peter A.
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