Treatment of sludge comprising biological aggregate

Details Treatment of sludge comprising biological aggregate Treatment of sludge comprising biological aggregate

1978-06-20

1980-05-06

Castel, Benoit

Liquid purification or separation

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

Responsive to fluid flow

210 52, 210 67, C02C 300

Patent

active

042016681

ABSTRACT:
A treatment for improving the filtering characteristics of the sludge is attained by adding a magnesium compound with or without an iron salt and further adding a base to maintain the pH of the sludge at higher than 9.0.

REFERENCES:
patent: 2300693 (1942-11-01), Oswald
patent: 3173863 (1965-03-01), Oster et al.
patent: 3262877 (1966-07-01), Le Compte, Jr.
patent: 3377271 (1968-04-01), Cann
patent: 4017391 (1977-04-01), Black
patent: 4118319 (1978-10-01), Miyanohara et al.
patent: 4125466 (1978-11-01), Miyanohara et al.

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