Sludge disinfection

Details Sludge disinfection Sludge disinfection

1977-02-01

1978-08-22

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 10, C02B 310

Patent

active

041087720

ABSTRACT:
Disinfection and flocculation of waste activated sludge from a bio-oxidation facility is achieved by contacting the activated sludge with zinc salts optionally in the presence of manganese salts. Either simultaneously with the addition of the zinc or after the addition, sufficient base must be added to render the solution basic.

REFERENCES:
patent: 3163598 (1964-12-01), Yoshihara et al.
patent: 3183186 (1965-05-01), Oster
patent: 3377271 (1968-04-01), Conn
patent: 3642619 (1972-02-01), Lo Sasso et al.

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