Reduction of impurities in bayer process alumina trihydrate

Details Reduction of impurities in bayer process alumina trihydrate Reduction of impurities in bayer process alumina trihydrate

1996-11-06

1997-09-09

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210772, 210787, 423121, 423122, 423131, C01F 720

Patent

active

056652445

ABSTRACT:
Processes for reducing the level of impurities in alumina trihydrate produced in the Bayer process are disclosed, wherein alumina trihydrate-containing process streams are flocculated with hydroxamated polymers and centrifuged.

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