Reactivation of spent alkanolamine
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United States of America Patent
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Sep 3, 1991
Issued Date -
N/A
app pub date -
Aug 6, 1990
filing date -
Jul 2, 1987
priority date (Note) -
Expired
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Abstract
Aqueous alkanolamine solution containing alkali metal salts of anions which form heat stable salts with such alkanolamine is reactivated by contacting the solution sequentially with a basic anion exchange resin to remove such anions and an acidic cation ion exchange resin to remove alkali metal ions.
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