ACID SEPARATION BY ACID RETARDATION ON AN ION EXCHANGE RESIN IN AN ELECTROCHEMICAL SYSTEM
First Claim
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1. A method comprising:
- producing an acid in an anode electrolyte in contact with an anode in an anode compartment of an electrochemical system; and
separating the acid from the anode electrolyte by retarding the acid on an ion exchange resin to produce a de-acidified anode electrolyte.
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Abstract
A method and system of separating an acid from an acid-salt solution produced in an electrochemical system using an ion exchange resin bed, by processing the acid-salt solution through the ion exchange resin bed such that the acid is retarded at the bottom of the bed and a de-acidified salt solution is recovered from the top of the bed. After removing the salt solution from the bed, the acid is recovered by back-flushing the resin bed with water.
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Citations
36 Claims
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1. A method comprising:
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producing an acid in an anode electrolyte in contact with an anode in an anode compartment of an electrochemical system; and separating the acid from the anode electrolyte by retarding the acid on an ion exchange resin to produce a de-acidified anode electrolyte. - View Dependent Claims (2, 5, 6, 8, 9, 11, 14, 15, 16, 19, 21)
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3-4. -4. (canceled)
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7. (canceled)
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10. (canceled)
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12-13. -13. (canceled)
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17-18. -18. (canceled)
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20. (canceled)
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22. (canceled)
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23. A system comprising:
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an electrochemical system comprising an anode electrolyte in contact with an anode in an anode compartment and configured to produce an acid in the anode electrolyte; and an acid retardation system comprising an ion exchange resin bed operatively connected to the anode compartment and configured to receive the anode electrolyte and retard the acid on an ion exchange resin and produce a de-acidified anode electrolyte. - View Dependent Claims (24, 25, 27, 30, 32, 33, 35)
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26. (canceled)
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28-29. -29. (canceled)
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31. (canceled)
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34. (canceled)
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36-37. -37. (canceled)
Specification