AMMONIA PURIFICATION PROCESS OF THE GASSES OF A CONDUIT FOR VENTILATION

Process for scrubbing by means of a liquid the ammonia contained in a vent (in particular the vents of plants for the synthesis and granulation of urea), wherein said liquid is an aqueous solution of urea neutralized with an acid, the pH of said neutralized solution being from 5.0 to 7.0.

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Bibliographische Detailangaben
Hauptverfasser: LEONARDO SILVESTRIN, MARIO OGNIBENI, FABBIO BASSAN, FABRIZIO COCQUIO, DANILO NARDON
Format: Patent
Sprache:eng ; rum
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Beschreibung
Zusammenfassung:Process for scrubbing by means of a liquid the ammonia contained in a vent (in particular the vents of plants for the synthesis and granulation of urea), wherein said liquid is an aqueous solution of urea neutralized with an acid, the pH of said neutralized solution being from 5.0 to 7.0.