Process for manufacturing highly concentrated hydroxylamine

Details Process for manufacturing highly concentrated hydroxylamine Process for manufacturing highly concentrated hydroxylamine

2007-02-06

2007-02-06

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

Reexamination Certificate

active

10487592

ABSTRACT:
An improved ion exchange process for manufacturing and concentrating hydroxylamine from an aqueous solution comprising hydroxylammonium ion and counter anions is disclosed. The process involves the use of an aqueous hydroxylamine wash step which assists in controlling the processing temperature and leads to a more concentrated, purified aqueous hydroxylamine solution.

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