Process for reabsorption and retention of phosphorous by activat

Details Process for reabsorption and retention of phosphorous by activat Process for reabsorption and retention of phosphorous by activat

1979-10-26

1981-03-24

Bashore, S. Leon

Liquid purification or separation

Processes

Treatment by living organism

210614, 210906, C02C 106, C02C 117

Patent

active

042578973

ABSTRACT:
A process for promoting the reabsorption and retention by an activated biomass of phosphorous values previously contained by the biomass and released under anaerobic conditions, which process requires initially subjecting the biomass in admixture with a liquid medium to treatment under aerobic conditions employing a relatively high DO. When the pH of the mixture stops increasing, the aerobic treatment is continued but under a second, reduced DO level.

REFERENCES:
patent: 3386911 (1968-06-01), Albertson
patent: 3764524 (1973-10-01), Stankewich, Jr.
patent: 4056465 (1977-11-01), Spector
patent: 4141822 (1979-02-01), Levin et al.
patent: 4162153 (1979-07-01), Spector

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