| 摘要 |
IN ONE EMBODIMENT, THE PRESENT INVENTION RELATES TO A PROCESS FOR RECOVERING AN ONIUM COMPOUNDS FROM WASTE SOLUTIONS OR SYNTHETIC SOLUTIONS CONTAINING THE ONIUM COMPOUND AND IMPURITIES INCLUDING THE STEPS: CONTACTING THE WASTE SOLUTION OR SYNTHETIC SOLUTION WITH A METAL ION SCAVENGER TO REMOVE METAL ION IMPURITIES, WHEREIN THE METAL ION SCAVENGER COMPRISES AT LEAST ONE OF A CHELATING COMPOUND, A NANOPOROUS MATERIAL, AND A MACS MATERIAL; CHARGING THE WASTE SOLUTION OR SYNTHETIC SOLUTION TO AN ELECTROCHEMICAL CELL (10) CONTAINING AT LEAST TWO COMPARTMENTS (14,15), A CATHODE (12), AN ANODE (11) AND A DIVIDER (13) AND PASSING A CURRENT THROUGH THE CELL (10) WHEREBY THE ONIUM COMPOUND IS REGENERATED OR PRODUCED; AND RECOVERING THE ONIUM COMPOUND FROM THE CELL (10).
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