Destruction of organics in Bayer process streams

Details Destruction of organics in Bayer process streams Destruction of organics in Bayer process streams

2004-10-22

2010-10-26

Bos, Steven (Department: 1793)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

C423S127000, C423S625000, C588S304000, C588S405000

Reexamination Certificate

active

07820121

ABSTRACT:
A Bayer process is disclosed. The Bayer process includes a step of treating any one or more of: (a) Bayer liquor or liquors produced in the process, (b) precipitated aluminium trihydrate particles produced in the process, and (c) other solids added to or produced in the process, with ultrasonic energy and destroying organics in the liquor or liquors, on the precipitated aluminium trihydrate particles, and on the other solids.

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McGrath et al., “Sonochemical technology for processing bauxite” JOM, Minerals Metals and Materials Society, 50 (5), May 1998, pp. 34-37.
International Search Report of International Application No. PCT/AU2004/001458; 2 pages; dated Dec. 20, 2004.

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