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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Format: | Patent |
Sprache: | eng ; rum |
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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. |
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