Method for removing ammonia from a gas comprising hydrogen cyanide, ammonia and water

   
   

A method for removing ammonia from a gas comprising HCN, ammonia and water, by first contacting the gas with aqueous ammonium phosphate to remove ammonia from the gas, and then passing the resulting ammonium phosphate solution through an electrolyzer to convert oxalates and formates into hydrogen and carbon dioxide.

Une méthode pour enlever l'ammoniaque d'un gaz comportant le HCN, l'ammoniaque et l'eau, en entrant en contact avec d'abord le gaz avec du phosphate aqueux d'ammonium pour éliminer l'ammoniaque du gaz, et en passant ensuite la solution résultante de phosphate d'ammonium par un electrolyzer pour convertir des oxalates et des formates en hydrogène et anhydride carbonique.

 
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