Process for the preparation of oxalic acid and sodium hydrogen o

Details Process for the preparation of oxalic acid and sodium hydrogen o Process for the preparation of oxalic acid and sodium hydrogen o

1992-01-30

1992-12-15

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 5506

Patent

active

051718871

ABSTRACT:
A process for producing oxalic acid, sodium oxalate or mixtures thereof comprises treating crude sodium oxalate solids or slurry, such as produced by the Bayer process in treating bauxite. The crude sodium oxalate solids or slurry include at least aluminum metal ions as well as other metal ions common to the Bayer process. The removal process comprises:

REFERENCES:
patent: 3377369 (1968-04-01), Sargent et al.

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