Process for biological wastewater treatment

Details Process for biological wastewater treatment Process for biological wastewater treatment

1990-03-14

1991-12-31

Silverman, Stanley S.

Liquid purification or separation

Processes

Treatment by living organism

210614, 210630, 210631, 210903, 210906, C02F 330

Patent

active

050769286

ABSTRACT:
A method for biologically removing approximately seventy-five percent of the phosphate contaminants from wastewater comprises controlling the aerator to a single activated sludge tank according to the turbidity of the water and the effluent requirements. Oxic, anoxic, and anaerobic reactions occur sequentially over the entire volume of the single reactor. Greater phosphate removal requires a simultaneous chemical precipitation.

REFERENCES:
patent: 4159243 (1979-06-01), Okey
patent: 4173531 (1979-11-01), Matsch et al.
patent: 4333838 (1982-06-01), Ballnus
patent: 4353800 (1982-10-01), Besik
patent: 4437992 (1984-03-01), Saito et al.
patent: 4655925 (1987-04-01), Tabata et al.
patent: 4859341 (1989-08-01), Schreiber

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