Process for recovering onium hydroxides or onium salts from solutions containing onium compounds using electrochemical ion exchange
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United States of America Patent
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Mar 27, 2001
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N/A
app pub date -
Mar 26, 1999
filing date -
Apr 7, 1998
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Abstract
In one embodiment, the present invention relates to a process for recovering one of an onium hydroxide and onium salt from a solution containing an onium compound involving the steps of charging the solution containing the onium compound to an electrochemical cell comprising at least two compartments, a cathode, an anode, and a divider, wherein at least one compartment comprises an ion exchange material; passing a current through the electrochemical cell whereby the onium hydroxide or the onium salt is produced; and recovering the onium hydroxide or the onium salt from the electrochemical cell.
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