Carbon treatment of monohydrate crystallizer liquor

Details Carbon treatment of monohydrate crystallizer liquor Carbon treatment of monohydrate crystallizer liquor

1980-04-09

1981-11-10

Straub, Gary P.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

423421, 23302T, C01D 700, C22B 2610

Patent

active

042997992

ABSTRACT:
Improved process for preparing sodium carbonate from crude trona without carbon column scaling by evaporating a portion of water from a clarified sodium carbonate solution to crystallize sodium carbonate crystals therefrom, separating the sodium carbonate crystals from the crystallizer liquor, passing only the crystallizer liquor which contains organic impurities through a carbon column to reduce the organic impurity concentration therein, and evaporating a portion of water from the carbon treated crystallizer liquor to crystallize additional sodium carbonate crystals.

REFERENCES:
patent: 2770524 (1956-11-01), Seaton
patent: 3260567 (1966-07-01), Hellmers et al.
patent: 3528766 (1970-09-01), Coglaiti, Jr. et al.
patent: 3725014 (1973-05-01), Poncha
patent: 3927175 (1975-12-01), Garofano et al.
patent: 3933977 (1976-01-01), Ilardi et al.
patent: 4039618 (1977-08-01), Gancy et al.

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