Methods of recovering scandium from titanium residue streams
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United States of America Patent
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Aug 11, 2015
Grant Date -
Jul 10, 2014
app pub date -
Jan 9, 2014
filing date -
Jan 10, 2013
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Abstract
A method for selectively removing scandium from a scandium-containing feed solution includes contacting the scandium-containing feed solution with a solvent stream in plural stages using cross current extraction, in which the solvent is loaded with at least a portion of the scandium from the feed solution, and/or ion exchange, and separating the loaded solvent from remaining scandium-containing feed solution.
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