C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 21/14 (2006.01) B01D 3/16 (2006.01) B01J 19/30 (2006.01) B01J 19/32 (2006.01)
Patent
CA 2451869
The invention relates to a method for producing a highly pure, aqueous hydroxylamine solution by distilling an aqueous solution, devoid of salt, of a hydroxyl ammonium salt in a plate column comprising at least two mechanical plates. Said method is characterised in that packing bodies are arranged between at least two plates of the plate column over the cross-section of said column.
L'invention concerne un procédé pour produire une solution aqueuse d'hydroxylamine de grande pureté par distillation d'une solution aqueuse, sans sel, d'un sel d'hydroxylammonium dans une colonne à plateaux comportant au moins deux plateaux mécaniques. L'invention se caractérise en ce que des corps de remplissage sont situés entre au moins deux plateaux de la colonne sur la largeur de la colonne.
Gerber Bernd
Kerth Steffen
Krueger Heinz
Rumpf Bernd
Sachweh Bernd
Basf Aktiengesellschaft
Robic
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