PROCESS FOR THE REMOVAL OF AMMONIA FROM GASES

HOE 90/H 020 Process for the removal of ammonia from gases of the disclosure: In order to remove ammonia from water vapor-containing gases, in particular offgases, the gases are brought into intimate contact with warmed polyphosphoric acid, the polyphosphoric acid advantageously having a P2O5 conten...

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Bibliographische Detailangaben
Hauptverfasser:	ADRIAN, RENATE, STAFFEL, THOMAS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	HOE 90/H 020 Process for the removal of ammonia from gases of the disclosure: In order to remove ammonia from water vapor-containing gases, in particular offgases, the gases are brought into intimate contact with warmed polyphosphoric acid, the polyphosphoric acid advantageously having a P2O5 content of from 70 to 84 % by weight and a temperature of from 120 to 170.degree.C.