Method for treatment of impounded material (sludges) from the ch

Details Method for treatment of impounded material (sludges) from the ch Method for treatment of impounded material (sludges) from the ch

1984-09-07

1986-04-08

Hruskoci, Peter

Liquid purification or separation

Processes

Ion exchange or selective sorption

210694, 210713, 210724, 210769, 210909, 210917, C02F 152, C02F 166

Patent

active

045811440

ABSTRACT:
A method and apparatus for treating sludges that have resulted from chemical treatment of sulfuric acid wastes with lime are shown. The sludges are subjected to fluidization, dilution, and acidification to solubilize solids, clarification to concentrate solids for reacidification and produce a supernatant for carbon adsorption to remove organics and color, with regeneration of spent carbon including incineration of solids, and finally incineration of the spent carbon and all other remaining unsolubilized solids.

REFERENCES:
patent: 3640820 (1972-02-01), Kemmer et al.
patent: 3772191 (1973-11-01), Thorn
patent: 4005011 (1977-01-01), Sweeny
patent: 4038180 (1977-07-01), Talbert
patent: 4163715 (1979-08-01), Ikari et al.
patent: 4221661 (1980-09-01), Shimizu et al.

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