Method for obtaining sodium carbonate monohydrate crystals

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United States of America Patent

PATENT NO 8202659
APP PUB NO 20100147698A1
SERIAL NO

12712386

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Abstract

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A method for producing sodium carbonate monohydrate, according to which an aqueous sodium chloride solution (5) is electrolyzed in a membrane-type cell (1) from which an aqueous sodium hydroxide solution (9) is collected, and carbonated by direct contact with carbon dioxide (15) to form a slurry of crystals of a sodium carbonate monohydrate (16), and the slurry or its mother liquor is evaporated (3) to collect sodium carbonate monohydrate (18).

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Patent Owner(s)

Patent OwnerAddress
SOLVAY (SOCIETE ANONYME)B-1050 BRUXELLES

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coustry, Francis Alsemberg, BE 5 104
Hanse, Michel Nivelles, BE 4 47

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