Wastewater treatment

Details Wastewater treatment Wastewater treatment

1993-06-04

1994-07-26

Upton, Christopher

Liquid purification or separation

Processes

Treatment by living organism

210614, 210627, 210903, C02F 326, C02F 330

Patent

active

053325028

ABSTRACT:
A method for efficiently treating wastewater by aerobic digestion whereby on-site oxygen generating equipment continually provides a predetermined quantity of dissolved oxygen to the wastewater, the dissolved oxygen content being maintained at a predetermined level during peak flows by air being dissolved into the wastewater. The method being used for upgrading the capacity of an existing plant to treat wastewater; increasing the scope of an existing plant to allow removal of biological nitrogen and/or phosphorus; and designing new wastewater treatment plants. Further efficiency is introduced by using methane produced, during subsequent anaerobic digestion of the wastewater, to fuel compressors or the like which provide the air to the wastewater.

REFERENCES:
patent: 3725258 (1973-04-01), Spector et al.
patent: 3954606 (1976-05-01), Block et al.
patent: 3973043 (1976-08-01), Lynn
patent: 3986932 (1976-10-01), Brushwyler et al.
patent: 3994802 (1976-11-01), Casey et al.
patent: 4246099 (1981-01-01), Gould et al.
patent: 4271926 (1981-06-01), Chen et al.
patent: 4280910 (1981-07-01), Baumann
patent: 4430224 (1984-02-01), Fuchs
patent: 4460470 (1984-07-01), Reimann

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