Liquid purification or separation – With means to add treating material – Spaced along flow path
Patent
1985-02-25
1987-04-07
Castel, Benoit
Liquid purification or separation
With means to add treating material
Spaced along flow path
210201, 210218, 210220, 2102212, 210262, 210521, 210219, 261 93, 261123, 435315, C02F 1102, B01D 2128
Patent
active
046559183
ABSTRACT:
Device and method for cleaning waste water, wherein the waste water (19) and oxygen gas (31) are flowing in opposite directions through a cylindrical multireactor (20) having a central rotatable pipe (24), the multireactor comprising a number of bioreactors and at least one separation chamber (75). The average pressure difference between two successive bioreactors is at most seven meter water column. The bioreactors are separated from each other by stationary walls (40, 41, 48, 55, 60), and each bioreactor has its own mixing device (50) for mixing waste water and oxygen gas.
REFERENCES:
patent: 3972815 (1976-08-01), O'Cheskey et al.
patent: 4005014 (1977-01-01), Wikey
patent: 4179376 (1979-12-01), Hakansson
patent: 4246111 (1981-01-01), Savard et al.
patent: 4267052 (1981-05-01), Chang
patent: 4303517 (1981-12-01), Love et al.
patent: 4486361 (1984-12-01), Durot et al.
patent: 4533470 (1985-08-01), Gyulavari
Castel Benoit
Johnston Albert C.
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