METHOD FOR MANUFACTURING HYDROXYLAMINE

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...

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Main Authors FISHER, WENDE, M, GUALDRON, MIQUEL, A, STELLA, ALBERT, S, POOLE, MIKE, CHANG, CHIN-HSIUNG, CHANG
Format Patent
LanguageEnglish
French
German
Published 24.11.1999
Edition6
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary: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.
Bibliography:Application Number: EP19970925418