Method for manufacturing hydroxylamine

Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing

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210662, 210670, 210674, 210683, 210685, C01B 2120

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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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Holzapfel, Heinz, Z. Anorg. und Allgem. Chemie, vol. 288, p. 28, 1956.
Wheelwright, E.J. in Industrial Engineering Chemistry Process Design Development, vol. 16, No. 2, 1977, p. 220.

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