Production of alkali metal carbonates

Details Production of alkali metal carbonates Production of alkali metal carbonates

C - Chemistry, Metallurgy

01

D

C01D 7/12 (2006.01) C01D 7/02 (2006.01)

Patent

CA 2117294

2117294 9311071 PCTABS00022 A method of producing an alkali metal carbonate, e.g. sodium carbonate, comprises passing a solution or suspension of the alkali metal chloride and bicarbonate over an ion exchange resin which is chloride retaining and has a basicity greater than that of the bicarbonate ion. The product is an aqueous solution or suspension of the alkali metal carbonate. In the case where the alkali metal is sodium, the product may be used for brine purification in a conventional Ammonia Soda process.

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