Pre-treatment of wastes and refuse containing sodium and...

Details Pre-treatment of wastes and refuse containing sodium and... Pre-treatment of wastes and refuse containing sodium and...

C - Chemistry, Metallurgy

02

F

C02F 1/58 (2006.01) C02F 1/52 (2006.01)

Patent

CA 2052367

6 L'invention concerne un procédé permettant d'abaisser la teneur ou d'éliminer les ions sodium et potassium dans les déchets et résidus. Selon le procédé, on traite ces déchets par le résidu, riche en acide fluorosilicique et considéré lui-même comme un déchet polluant, issu de la fabrication d'acide phosphorique par action d'acide sulfurique sur un minerai calcique à base de phosphate de calcium.

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