Method for solidifying sludge

Details Method for solidifying sludge Method for solidifying sludge

1974-09-03

1976-03-30

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 90, 106315, 106 96, C04B 702, C04B 735

Patent

active

039472841

ABSTRACT:
A sludge having a water/solid high ratio and containing a substance having a harmful influence upon the setting of portland cement is solidified by mixing the sludge with hydraulic portland cement and at least one substance selected from the group consisting of alkali sulphate, gypsum dihydrate and insoluble gypsum anhydride.

REFERENCES:
patent: 196971 (1877-11-01), Coughlin
patent: 1760713 (1930-05-01), Ochs
patent: 2806530 (1957-09-01), Binkley et al.
patent: 3720609 (1973-03-01), Smith et al.

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