Resin preconditioning methods using carbon dioxide and methods for purifying hydrogen peroxide
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United States of America Patent
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Apr 5, 2005
Grant Date -
Jan 23, 2003
app pub date -
Apr 4, 2001
filing date -
Apr 4, 2001
priority date (Note) -
Expired
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Abstract
Provided are a preconditioned resin and methods of preparation thereof as well as methods for purifying hydrogen peroxide solutions. The method includes preconditioning an anion exchange resin, wherein an anion exchange resin bed is provided and carbon dioxide gas is passed through the resin bed.
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