PROCESSO PARA SEPARACAO DE AMINAS

For the removal of amines from their aqueous solutions, in particular effluents from cellulose processing, - the aqueous amine solutions are contacted with a cation exchanger, whose anchoring groups consist of carboxyl groups, in order to charge the cationic exchanger with amines, - the charged cati...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	DIETMAR KORGER, HEINRICH FIRGO, DIETER EICHINGER, STEPHAN ASTEGGER
Format:	Patent
Sprache:	por
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	For the removal of amines from their aqueous solutions, in particular effluents from cellulose processing, - the aqueous amine solutions are contacted with a cation exchanger, whose anchoring groups consist of carboxyl groups, in order to charge the cationic exchanger with amines, - the charged cationic exchanger is treated with an aqueous solution of an acid having a pKa value greater than 3.0 in order to elute the amines, and - the eluate is processed by distillation, a part of the weak acid being separated from the amines and being recovered if desired. The process according to the invention allows a simple and inexpensive disposal of amine-containing effluents.