Anaerobic fermenter-decanter for the purification of residual wa

Details Anaerobic fermenter-decanter for the purification of residual wa Anaerobic fermenter-decanter for the purification of residual wa

1980-01-22

1981-10-06

Wyse, Thomas G.

Liquid purification or separation

With heater or heat exchanger

With mechanical agitator or movable separator

210180, 210539, C02F 328

Patent

active

042934125

ABSTRACT:
An anaerobic fermenter-decanter for the purification of residual water from the sugar industry, with recovery of methane, consists of a tank with inclined walls, with a central agitator on a vertical shaft. A flexible cover anchored by its periphery to the walls of the tank and totally submerged forms a collecting pocket for the fermentation gases. The water to be purified is introduced, after being heated to about 35.degree., towards the bottom of the tank near the agitator. A metal collecting bell with submerged edges and with the shaft of the agitator passing axially through it is connected by its edges to a central opening of the cover. The purification yields may exceed 90%.

REFERENCES:
patent: 2195408 (1940-04-01), Downes
patent: 2605220 (1952-07-01), Logan
patent: 2891675 (1959-06-01), Kaplon
patent: 3239067 (1966-03-01), Hikes et al.
patent: 3981803 (1976-09-01), Coulthard

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