Clarifier process for producing sodium carbonate

Details Clarifier process for producing sodium carbonate Clarifier process for producing sodium carbonate

1974-10-24

1976-09-21

Emery, Stephen J.

Chemistry: physical processes

Physical processes

Crystallization

23300, 209 5, 423206T, 423421, 423422, 423425, C01B 700, C01B 714, B01D 902, C01B 724

Patent

active

039816869

ABSTRACT:
Method for clarifying a carbonate process solution containing suspended insolubles which solution is used in the preparation of crystals selected from the group consisting of sodium bicarbonate, sodium sesquicarbonate, anhydrous sodium carbonate, and sodium carbonate monohydrate, which comprises dispersing in the carbonate process solution prior to crystallization a cationic flocculating agent comprising a substituted guar gum containing one quaternary ammonium group per 2 to 12 monosaccharide units to agglomerate the suspended insolubles so the suspended insolubles will readily settle out of the carbonate process solution.

REFERENCES:
patent: 2952358 (1960-09-01), Shoeld
patent: 3084026 (1963-04-01), Fruit
patent: 3233983 (1966-02-01), Bauer
patent: 3669915 (1972-06-01), Jones
patent: 3725014 (1973-04-01), Poncha
patent: 3836628 (1974-09-01), Illardi
Hackh's Chemical Dictionary, 4th Ed., Grant, 1969, pp. 634 and 635.

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