Method for cleaning fouled ion exchange resins
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United States of America Patent
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Jun 27, 2000
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N/A
app pub date -
Aug 3, 1998
filing date -
Apr 1, 1998
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Abstract
Methods are disclosed for the regeneration of fouled ion exchange (IX) resins. In one embodiment, the fouled resin is treated simultaneously with reducing agent and acid. In a preferred embodiment, fouled resin is treated with reducing agent and then with acid. Use of reducing agent prior to the use of acid results in surprisingly unexpected improved cleaning as compared to simultaneous treatment with reducing agent and acid.
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