VERFAHREN ZUR NO-RUECKGEWINNUNG AUS DEM BEI DER AMMONIUMNITRITHERSTELLUNG ANFALLENDEN ABGAS

VERFAHREN ZUR NO-RUECKGEWINNUNG AUS DEM BEI DER AMMONIUMNITRITHERSTELLUNG ANFALLENDEN ABGAS

NO is completely recovered from the waste gas of ammonium nitrite production by absorbing the nitrous fumes in a first stage in an ammonium carbonate and/or ammonium bicarbonate solution to form ammonium nitrite solutions, absorbing the resulting waste gas containing carbon dioxide in a second stage...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VAN,ROYEN,LUC, SLUYTS,DOMIEN, PYPE,ROBERT, PUTSEYS,ROLAND,DR, VAN,.HERCK,WILLY
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:NO is completely recovered from the waste gas of ammonium nitrite production by absorbing the nitrous fumes in a first stage in an ammonium carbonate and/or ammonium bicarbonate solution to form ammonium nitrite solutions, absorbing the resulting waste gas containing carbon dioxide in a second stage in an ammonia solution to form ammonium carbonate and/or ammonium bicarbonate which is/are recycled as such into the first absorption stage.