Activated carbon treatment of oxygenated wastewater

Details Activated carbon treatment of oxygenated wastewater Activated carbon treatment of oxygenated wastewater

1976-10-20

1978-03-21

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 8, 210 17, 210 27, 210 40, 210 96R, 210150, 210195S, 210202, 210218, C02C 502, C02C 510

Patent

active

040802876

ABSTRACT:
An integrated system for treating wastewater containing biodegradeable organic contaminants by oxygenation thereof in the presence of activated sludge in an enclosed oxygenation zone with at least 50% oxygen feed gas and removal of the residual organic contaminants by adsorption in an activated carbon adsorption zone. At least part of the oxygen-depleted vent gas discharged from the oxygenation zone is concurrently flowed upwardly through the adsorption zone with the oxygenated effluent to maintain aerobic biological conditions in the adsorption zone for physical adsorption and biochemical oxidization of the residual organic contaminants therein.

REFERENCES:
patent: 3244621 (1966-04-01), Bouthilet
patent: 3510265 (1970-05-01), Kawahata
patent: 3547815 (1970-12-01), McWhirter
patent: 3558255 (1971-01-01), Rose
patent: 3660277 (1972-05-01), McWhirter et al.
patent: 3670887 (1972-06-01), McWhirter
patent: 3803029 (1974-04-01), Blecharczyk
patent: 3855120 (1974-12-01), Garbo
patent: 3872003 (1975-03-01), Walker
patent: 3904518 (1975-09-01), Hurton et al.
patent: 3907673 (1975-09-01), Belk et al.
patent: 4009098 (1977-02-01), Jeris
"Biologically-Extended Physicochemical Treatment" Advances in Water Pollution Research, Proceedings of the Sixth International Conference Held in Jerusalem, Jun. 18-23, 1972, Pergammon Press, pp. 641-649.
"Nitrification with Submerged Filters", Journal WPCF, vol. 44, No. 11, Nov. 1972, pp. 2086-2102.

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