Liquid purification or separation – With gas-liquid surface contact means
Patent
1980-01-22
1982-03-09
Castel, Benoit
Liquid purification or separation
With gas-liquid surface contact means
261 92, 210619, C02F 304
Patent
active
043188109
ABSTRACT:
The invention concerns an apparatus for the conversion of pollutants contained in effluents and effluent sludges, particularly of harmful substances and especially of excreta, into harmless substances with one or more hollow bodies rotatably arranged in a conversion pool or sludge aerating pool, which bodies emerge at one side of the pool completely out of the water or sludge and become completely immersed at the other side and whose part which is uppermost at the emerging side is lowermost at the immersion side, and vice versa. There is the danger, with such hollow bodies, that over time sludge settles in the hollow bodies. An anaerobic fermentation may take place in this settled sludge, during which the harmful substances rot but do not decompose.
To prevent settling of sludge in the hollow bodies, it is proposed according to the invention to use hollow bodies which are laterally closed and opened at the top and below, and which are subdivided by an imperforated partition wall extending approximately parallel to the upper and lower opening.
REFERENCES:
patent: 3747904 (1973-07-01), Gross
patent: 4160736 (1979-07-01), Prosser
patent: 4184946 (1980-01-01), Kato
Castel Benoit
Fogiel Max
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