Method for deironing through oxygen
An oxygen and iron slag technology, applied in the field of hydrometallurgy, can solve the problems of large metal loss, uneven oxygen distribution, low iron content in iron slag, etc., and achieve the effect of reducing metal loss
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Embodiment 1
[0017] A method for removing iron from oxygen, including the following steps:
[0018] (1) Using calcine to control the pH value of the zinc-copper mixed solution in the reactor at 2.9;
[0019] (2) The stirring shaft is set vertically with the reactor, and oxygen is transported to the bottom of the reactor through the center of the stirring shaft, and the oxygen and the zinc-copper mixed solution are fully mixed by the stirring shear force;
[0020] (3) The product obtained in step (2) is passed to an iron removing thickener for precipitation separation, and the solution and iron slag are obtained by filtration and separation.
Embodiment 2
[0022] A method for removing iron from oxygen, including the following steps:
[0023] (1) Use calcine to control the pH value of the zinc-copper mixed solution in the reactor at 3;
[0024] (2) The stirring shaft is set vertically with the reactor, and oxygen is transported to the bottom of the reactor through the center of the stirring shaft, and the oxygen and the zinc-copper mixed solution are fully mixed by the stirring shear force;
[0025] (3) The product obtained in step (2) is passed to an iron removing thickener for precipitation separation, and the solution and iron slag are obtained by filtration and separation.
Embodiment 3
[0027] A method for removing iron from oxygen, including the following steps:
[0028] (1) Use calcine to control the pH value of the zinc-copper mixed solution in the reactor at 3.1;
[0029] (2) The stirring shaft is set vertically with the reactor, and oxygen is transported to the bottom of the reactor through the center of the stirring shaft, and the oxygen and the zinc-copper mixed solution are fully mixed by the stirring shear force;
[0030] (3) The product obtained in step (2) is passed to an iron removing thickener for precipitation separation, and the solution and iron slag are obtained by filtration and separation.
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