Method for treatment of waste material and recovering mgc12

Details Method for treatment of waste material and recovering mgc12 Method for treatment of waste material and recovering mgc12

C - Chemistry, Metallurgy

22

B

C22B 3/10 (2006.01) B09B 3/00 (2006.01) C01F 5/30 (2006.01) C22B 7/00 (2006.01) C22B 26/22 (2006.01)

Patent

CA 2225113

Method of treatment of environmentally hazardous waste material and recovering MgCI2 brine, based on dissolving of the waste material in water and hydrochloricacid and simultaneous removal of ammonia at elevated temperatures, destruction of residual aqueous ammonia and removal of Mn, where the material is pre-treated in a special mixing unit adding water to provide a slurry and where hydrogen and other evolved gases are continuously diluted.

Méthode de traitement de déchets dangereux pour l'environnement et de récupération de la saumure de MgCl2, fondée sur la dissolution des déchets dans l'eau et l'acide chlorhydrique, conjuguée à l'enlèvement simultané de l'ammoniaque à des températures élevées, à la destruction de l'ammoniaque aqueux résiduel et à l'élimination du Mn. Les déchets sont traités au préalable dans une unité de mélange spéciale où l'on ajoute de l'eau pour obtenir une boue liquide, et l'hydrogène et d'autres gaz dégagés sont continuellement dilués.

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