Liquor oxalate stabilizers

Details Liquor oxalate stabilizers Liquor oxalate stabilizers

C - Chemistry, Metallurgy

01

F

C01F 7/47 (2006.01) C01F 7/14 (2006.01)

Patent

CA 2247778

A new and improved method for inhibiting the precipitation of sodium oxalate crystals in a Bayer process liquor is provided. In an embodiment, the method comprises the step of adding to the Bayer process liquor, after red mud separation, a minor effective amount of a liquor oxalate stabilizer selected from hydrocarbon-substituted amine oxide compounds and/or hydrocarbon-substituted betaine compounds.

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