Liquid treatment apparatus

Details Liquid treatment apparatus Liquid treatment apparatus

1974-03-01

1976-06-29

Granger, Theodore A.

Liquid purification or separation

With gas-liquid surface contact means

With separator

210197, 210205, 210219, 261 91, 261 94, B01D 3334

Patent

active

039666085

ABSTRACT:
An improved method and apparatus for treating liquor containing biodegradable wastes wherein the liquor is first delivered to a quiescent settling zone and then to an aeration zone. The aeration liquor is delivered downwardly through a column of submerged fixed media having a high surface area to volume ratio so that aerobic microorganisms can grow on their surface. The liquor is recirculated through the aeration zone and fixed media, and is withdrawn from the unit after treatment.

REFERENCES:
patent: 2051727 (1936-08-01), Levine et al.
patent: 2137397 (1938-11-01), Haldeman
patent: 2183657 (1939-12-01), Page
patent: 3167600 (1965-01-01), Worman
patent: 3204768 (1965-09-01), Daniel
patent: 3210053 (1965-10-01), Boester
patent: 3360460 (1967-12-01), Weston
patent: 3543937 (1970-12-01), Choun
patent: 3576316 (1971-04-01), Haelin
patent: 3662890 (1972-05-01), Grimshaw
patent: 3753897 (1973-08-01), Lin et al.

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