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Amine Extraction of Iron from Aluminum Chloride Leach Liquors.

Authors
Eisele-JA; Schultze-LE; Berinati-DJ; Bauer-DJ
Source
NTIS: PB 261 417 :10 pages
Link
NIOSHTIC No.
10007815
Abstract
The federal Bureau of Mines is engaged in a continuous program on the recovery of alumina from domestic source materials. Of the six processes being studied, current efforts focus on hcl leach of clays. A key step in the hcl process is the removal of iron from the aluminum chloride leach liquor. This was accomplished by solvent extracting the iron with a Tertiary amine in kerosine to which decanol was added as a phase modifier. In a mixer-settler operation, iron in the raffinate was reduced to <10 ppm in two extraction stages from a feed containing 1.4 G/l fe. Iron was stripped from the organic phase in three stages with dilute hcl.
Publication Date
19760101
Document Type
IH; Report of Investigation;
Fiscal Year
1976
NTIS Accession No.
PB-261417
NTIS Price
A02
Identifying No.
RI 8188
NIOSH Division
RERC;
Source Name
NTIS: PB 261 417
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