Liquid purification or separation – With gas separator
Patent
1985-07-23
1986-09-02
Castel, Benoit
Liquid purification or separation
With gas separator
210218, 210262, 210603, 435316, 435167, 48111, C02F 1104, C12P 502
Patent
active
046094601
ABSTRACT:
A considerable portion of the gas developed by fermentation in an anaerobic purification equipment for waste water, together with buoyant sludge, is collected by at least one additional collecting system (5), before it may reach the upper part of the reactor. This additional collecting system is fitted at a distance below the collecting system (6) fitted as usual just below the level of one or more overflow gutters (3; 23) for purified water. The additional collecting system (5) has a hydraulic link with one or more rising pipes (7, 7', 27, 32, 31) for raising the liquid sludge mixture by gas lift action. The rising pipes discharge into a separation device (8) from which one or more downpipes (9; 29) for returning separated liquid and sludge extend to the lower section of the reactor chamber. As a result of the tranquility at the top and the turbulence near the bottom, a substantial increase of the load capacity of the equipment can be obtained.
REFERENCES:
patent: 3812029 (1974-05-01), Snyder, Jr.
patent: 4253956 (1981-03-01), Pette
patent: 4346000 (1982-08-01), Van Drooge
patent: 4412003 (1983-10-01), Evans
Castel Benoit
Paques B.V.
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