Method for solubilizing metal values
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United States of America Patent
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Dec 27, 2005
Issued Date -
N/A
app pub date -
Nov 5, 2002
filing date -
Mar 26, 1996
priority date (Note) -
Expired
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Abstract
The processes of the present invention include mineral acid leaching of a metal containing material, such as an ore residue, containing fluoridated metal values in the presence of a complexing agent which will complex fluoride ions. The processes of the present invention provide for the separation of valuable metal, fluoride and radionuclide values from a feed material of high mineral content wherein the metals and radionuclides are present as substantially water insoluble fluorides or are trapped within a metal fluorine matrix which is substantially insoluble in typical chemical reactant systems.
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