Clarification device

Details Clarification device Clarification device

1987-09-10

1989-03-07

Castel, Benoit

Liquid purification or separation

With gas-liquid surface contact means

210170, 210232, C02F 306, C02F 310

Patent

active

048103772

ABSTRACT:
A clarification device comprises a purifier tank having an opening at its top and an inlet and an outlet for sewage, at least one contact means to which microorganisms for purification are to be attached and which is disposed in the purifier tank at position spaced upwardly from a bottom of the purifier tank, and air-flowing means disposed between the contact means and the bottom of the tank, air-supplying means extending vertically in the purifier tank for supplying air to the air-flowing means. The contact means includes a first assembly disposed at the inlet side so as to be removed out of the tank through the opening, and a second assembly disposed at the outlet side of the first assembly so as to be removed out of the tank through the opening. The clarification device further comprises means for closing the opening of the purifier tank. The closing means includes a detachable first closure disposed above the first assembly for covering a first part of the opening, and a detachable second closure disposed above the second assembly for covering a second part of the opening.

REFERENCES:
patent: 3878097 (1975-04-01), Mochizuki et al.
patent: 4141823 (1979-02-01), Smith et al.
patent: 4488960 (1984-12-01), Goerlich

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