Improved Bayer causticisation

Improved Bayer causticisation

An improved process for the causticisation of Bayer liquors in an aluminarefinery, the process including the steps of: adding a suitable inhibitor to a Bayer liquor to stabilize the formation of a hydrocalumite species during causticisation to inhibit undesirable reaction of the hydrocalumite specie...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROSENBERG, STEVEN P, HEATH, CATHERINE A, WILSON, DARREL M
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADHESIVES
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
DYES
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:An improved process for the causticisation of Bayer liquors in an aluminarefinery, the process including the steps of: adding a suitable inhibitor to a Bayer liquor to stabilize the formation of a hydrocalumite species during causticisation to inhibit undesirable reaction of the hydrocalumite species to form TCA, whereby the attainable C/S ratio of the liquor can be increased.