Method of disposing of wastes containing heavy metal compounds

Details Method of disposing of wastes containing heavy metal compounds Method of disposing of wastes containing heavy metal compounds

C - Chemistry, Metallurgy

02

F

362/2, 261/58

C02F 11/08 (2006.01) C02F 1/72 (2006.01) C02F 9/00 (2006.01) C02F 11/00 (2006.01) C02F 11/18 (2006.01) C04B 18/04 (2006.01) C04B 18/30 (2006.01)

Patent

CA 2023597

05-21(6941)A ABSTRACT OF THE INVENTION Method of Disposing of Wastes Containing Heavy Metal Compounds A method of disposing of wastes containing heavy metal compounds by neutralizing the wastes, oxidizing the neutralized wastes, then solidifying the oxidized wastes using conventional mineral binding agents such as Portland cement. This method is of particular interest in treating arsenic sulfide containing aqueous sludges produced in the manufacture of phosphoric acid.

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