C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 7/46 (2006.01) B01J 19/10 (2006.01)
Patent
CA 2542516
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.
L'invention concerne un procédé Bayer comprenant une étape consistant à traiter au moyen d'énergie ultrasonore (a) une ou plusieurs solutions Bayer produites lors de la mise en oeuvre du procédé, et/ou (b) des particules de trihydrate d'aluminium précipitées, produites lors de la mise en oeuvre du procédé, et/ou (c) d'autres solides ajoutés ou produits lors de la mise en oeuvre du procédé, et à détruire les composés organiques présents dans la ou les solutions, sur les particules de trihydrate d'aluminium précipitées et sur les autres solides.
Comalco Aluminium Limited
Oyen Wiggs Green & Mutala Llp
LandOfFree
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