INDIUM RECOVERY BY SUPPORTED LIQUID MEMBRANE WITH STRIP DISPERSION
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United States of America Patent
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Issued Date -
Sep 9, 2010
app pub date -
Mar 4, 2009
filing date -
Mar 4, 2009
priority date (Note) -
Abandoned
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Abstract
The present invention provides a process for the removal and recovery of indium from waste waters and process streams. The process of the present invention utilizes a combination of a supported liquid membrane (SLM) and a strip dispersion to improve extraction of indium while increasing membrane stability and decreasing processing costs. This novel process selectively removes indium from the feed stream, provides the increased flexibility of aqueous strip/organic volume ratio, and produces a concentrated strip solution of indium.
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