Process for removing ammonium-ions in an oxime preparation from

Details Process for removing ammonium-ions in an oxime preparation from Process for removing ammonium-ions in an oxime preparation from

1984-06-04

1985-11-12

Metz, Andrew H.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

564259, B01D 1302, C07C13100

Patent

active

045526362

ABSTRACT:
A process for the preparation of a hydroxylammonium slat and an oxime from said hydroxylammonium salt and an aldehyde or keton is disclosed in which an aqueous acid reaction medium is kept in circulation between a zone for the synthesis of the salt and a zone for the synthesis of the oxime and in which nitrate ions and/or nitrogen monoxide are continuously supplied as a reducible nitrogen source for the liquid kept in circulation, wherein the circulation liquid is subjected to an electrodialysis to remove the ammonium ions formed as a byproduct in the hydroxylammonium salt synthesis.

REFERENCES:
patent: 3641150 (1972-02-01), De Rooij
patent: 3701809 (1972-10-01), De Rooij et al.
patent: 3766038 (1973-10-01), Beck et al.
patent: 4253928 (1981-03-01), Blytas et al.

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