Surge control in the biological purification of wastewater

Details Surge control in the biological purification of wastewater Surge control in the biological purification of wastewater

1980-03-10

1981-12-01

Wyse, Thomas G.

Liquid purification or separation

Processes

Treatment by living organism

210744, 210 961, 210254, 210921, C02F 300

Patent

active

043035272

ABSTRACT:
In a process for the biological purification of wastewater wherein the wastewater is treated in a purification plant comprising at least one storage tank and at least one biological treatment stage, the improvement wherein the entering wastewater, in case of normal load, is introduced directly into the biological treatment stage and, during the time period of peak loads, is introduced at least partially into the storage tank; and that, after the subsiding of the peak loads, the wastewater is transferred from the storage tank into the biological treatment stage. A process variable associated with the biological treatment stage, such as oxygen, or one associated with incoming wastewater such as BOD, is used to automatically regulate the timing of the flows.

REFERENCES:
patent: 3714036 (1973-01-01), Slater
patent: 3819512 (1974-06-01), Prazhovsky et al.
patent: 3875051 (1975-04-01), Kovarik
patent: 3892654 (1975-07-01), Kirk
patent: 3962084 (1976-06-01), Nussbaum

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