3.
    发明专利
    未知

    公开(公告)号:DE3347259A1

    公开(公告)日:1985-07-11

    申请号:DE3347259

    申请日:1983-12-28

    Applicant: BASF AG

    Abstract: Aqueous solutions of hydroxylamine are prepared from aqueous hydroxylammonium salt solutions by electrodialysis by a method in which the aqueous hydroxylammonium salt solution is fed into the middle zone of an electrolysis cell, which is divided into a cathode zone, an anode zone and a middle zone by means of semipermeable membranes, and is electrolyzed, and the catholyte used is an alkali metal hydroxide solution containing ammonia and/or amines.

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