Process for the biological purification of waste water

Details Process for the biological purification of waste water Process for the biological purification of waste water

1984-09-26

1985-05-14

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

C02F 312

Patent

active

045170932

ABSTRACT:
In a process for the biological purification of waste water by mixing a sludge-water mixture and air in an activation chamber charged continuously with waste water, activated sludge and air and from which an equivalent quantity of sludge-water mixture is discharged, the sludge-water mixture is guided along with the air in the activation chamber so as to define at least one loop shape motion. In a further embodiment of the process that part of the sludge-water mixture that does not continue its loop shape course is submitted to a biological after-reaction, preferably occurring in the activation chamber, while avoiding backmixing with the mixture in loop shape motion.

REFERENCES:
patent: 3807563 (1974-04-01), Reid
patent: 3855120 (1974-12-01), Garbo
patent: 4043771 (1977-08-01), Anand
patent: 4100071 (1978-07-01), Beurer et al.
patent: 4192740 (1980-03-01), Savard et al.

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