Bauxite dissolving out technique

The invention relates to a digestion process of monohydrallite, which belongs to a technical field. The invention consists of decomposition and digestion, which is characterized in that: before the temperature of digestion liquor of Bayer Process drops, the adjusting liquor is added to reduce the so...

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Bibliographic Details
Main Authors LI GUANGZHAN, MENG LINGLI
Format Patent
LanguageChinese
English
Published 16.07.2008
Subjects
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
INORGANIC CHEMISTRY
METALLURGY
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Summary:The invention relates to a digestion process of monohydrallite, which belongs to a technical field. The invention consists of decomposition and digestion, which is characterized in that: before the temperature of digestion liquor of Bayer Process drops, the adjusting liquor is added to reduce the solid content; wherein, the adjusting liquor is a mixture of one or two or three components among the digestion green liquor, the red mud wash liquor or the decomposition mother liquor by an arbitrary proportion. Materials proportion of ore can be increased when digesting the materials; the capacity of monohydrallite batch processing can be improved and the digestion rate of the alumina can be increased.
Bibliography:Application Number: CN20071116160