PROCESS FOR THE PURIFICATION OF A MIXTURE COMPRISING N-ALKYL-HYDROXYLAMMONIUM SALTS
The present invention relates to a process for purification of a mixture comprising water, N-alkyl-hydroxylammonium salts and some byproducts wherein from the mixture water and byproducts are distilled off until the purity of N-alkyl-hydroxylammonium salts in the residue is 95% or higher and additio...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English French |
Published |
10.06.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to a process for purification of a mixture comprising water, N-alkyl-hydroxylammonium salts and some byproducts wherein from the mixture water and byproducts are distilled off until the purity of N-alkyl-hydroxylammonium salts in the residue is 95% or higher and additionally keeping the water content during and after the distillation ≥ 40 wt.-% according to the residue.
La présente invention concerne un procédé de purification d'un mélange comprenant de l'eau, des sels de N-alkyle-hydroxylammonium et certains sous-produits, à partir du mélange, de l'eau et des sous-produits étant distillés jusqu'à ce que la pureté des sels de N-alkyl-hydroxylammonium dans le résidu soit supérieure ou égale à 95 % et en outre la teneur en eau étant maintenue pendant et après la distillation ≥ 40 % en poids selon le résidu. |
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Bibliography: | Application Number: WO2020EP83002 |