Concentration of solids by flocculating in the Bayer process

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium

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423122, 210732, 210733, 210734, 210735, 210787, 209 5, C01F 700, C22B 2100, B03D 306, B01D 2101

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active

058536779

ABSTRACT:
Processes for improving solids/liquids separation efficiency in the Bayer process are disclosed, wherein Bayer process streams are treated with calcium or magnesium salts, flocculated with carboxylic acid or salt group-containing polymers, and centrifuged.

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