Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing
Patent
1996-05-03
1998-06-09
O'Sullivan, Peter
Chemistry of inorganic compounds
Nitrogen or compound thereof
Oxygen containing
210662, 210670, 210674, 210683, 210685, C01B 2120
Patent
active
057628971
ABSTRACT:
An improved ion exchange process for purifying and/or concentrating hydroxylamine from an aqueous solution comprising hydroxylammonium ion and counter anions wherein ion exchange process conditions including effluent pH, effluent conductivity, and ion exchange bed height can be monitored and used to identify when to switch from an ion exchange step feed to a water wash feed, and to switch from a desorbent step to a water rinse step.
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Chang Chin-Hsiung
Fisher Wende M.
Gualdron Miguel A.
Poole Mike
Stella Albert S.
Allied-Signal Inc.
Gianneschi Lois A.
O'Sullivan Peter
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