Ammonia recovery

Details Ammonia recovery Ammonia recovery

C - Chemistry, Metallurgy

01

C

C01C 1/02 (2006.01) C01F 11/46 (2006.01)

Patent

CA 2359930

A process for the recovery of ammonia from an ammonia sulphate solution, the process comprising the method steps of: combining ammonium sulphate solution and quicklime (CaO) in a milling means to provide a reaction slurry; and running the milling means whereby the milling action of thereof acts to break up any gypsum precipitate as it forms in the reaction slurry or milling means.

L'invention concerne un procédé de récupération d'ammoniac d'une solution de sulfate d'ammoniac, qui consiste à combiner une solution de sulfate d'ammoniac à de la chaux vive (CaO) dans un dispositif de broyage de façon à obtenir une boue de réaction, et à mettre en route le dispositif de broyage dont l'action brisera tout précipité de gypse en formation dans la boue de réaction ou le dispositif de broyage.

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