METHOD FOR PROCESSING A GAS STREAM COMPRISING UREA DUST AND AMMONIA

The present invention provides a method for processing a gas stream comprising urea dust and ammonia, comprising the steps of: (a) separating said ammonia from said urea dust, (b) converting said urea dust into an aqueous urea solution, (c) converting said ammonia into an aqueous ammonium sulphate s...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: VAN BELZEN, Ruud, WINNE, Erika, VOLKE, Howard
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The present invention provides a method for processing a gas stream comprising urea dust and ammonia, comprising the steps of: (a) separating said ammonia from said urea dust, (b) converting said urea dust into an aqueous urea solution, (c) converting said ammonia into an aqueous ammonium sulphate solution, (d) mixing said aqueous urea solution and said aqueous ammonium sulphate solution, thereby obtaining a urea ammonium sulphate solution, and optionally, concentrating said aqueous urea solution, said aqueous ammonium sulphate solution, and/or said urea ammonium sulphate solution.