A kind of treatment method of electrolytic manganese slag
An electrolytic manganese slag and treatment method technology, applied in the field of metallurgy, can solve the problems of incomplete compound leaching, no anti-seepage, sealing, high manganese loss, etc., so as to reduce the consumption of clean water, reduce the consumption of chemicals, and improve the recovery rate Effect
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Embodiment 1
[0020] A treatment method for electrolytic manganese slag, comprising the following steps:
[0021] (1) Slurry: wash electrolytic manganese slag with electrolytic manganese anolyte at a pressure of 1.2MPa, make it preliminary slurry, and obtain slurry, discharge the slurry into the stirring tank, and stir for 140min at a temperature of 50°C , to obtain manganese slag slurry, the mass ratio of the electrolytic manganese anolyte to the electrolytic manganese slag is 0.95:1, and the Mn in the electrolytic manganese anolyte 2+ The content of ammonium sulfate is 10g / L, the content of ammonium sulfate is 90g / L, and the acidity is 34g / L;
[0022] (2) Press filtration: use a filter press to filter the manganese slag slurry, the filter pressure is 0.18MPa, keep for 8min, in order to obtain the filter cake and filtrate, send the filtrate into the filtrate pool; the filter press is a diaphragm filter press, equipment The model is MZ680;
[0023] (3) Washing with clean water: wash the f...
Embodiment 2
[0027] A treatment method for electrolytic manganese slag, comprising the following steps:
[0028] (1) Slurry: wash electrolytic manganese slag with electrolytic manganese anolyte at a pressure of 1.5 MPa to make it preliminary slurry, and obtain slurry, discharge the slurry into the stirring tank, and stir for 160min at a temperature of 55°C , to obtain manganese slag slurry, the mass ratio of the electrolytic manganese anolyte to the electrolytic manganese slag is 1.05:1, and the Mn in the electrolytic manganese anolyte 2+ The content of ammonium sulfate is 14g / L, the content of ammonium sulfate is 110g / L, and the acidity is 38g / L;
[0029] (2) Press filter: filter the manganese slag slurry with a filter press, the filter pressure is 0.22MPa, and keep it for 12 minutes. In order to obtain the filter cake and filtrate, send the filtrate into the filtrate pool; the filter press is a diaphragm filter press, and the equipment The model is MZ680;
[0030] (3) Washing with clea...
Embodiment 3
[0034] A treatment method for electrolytic manganese slag, comprising the following steps:
[0035] (1) Slurry: wash electrolytic manganese slag with electrolytic manganese anolyte at a pressure of 1.3MPa to make it preliminary slurry and obtain slurry, discharge the slurry into the stirring tank, and stir for 150min at a temperature of 52°C , to obtain manganese slag slurry, the mass ratio of the electrolytic manganese anolyte to the electrolytic manganese slag is 1.02:1, and the Mn in the electrolytic manganese anolyte 2+ The content of ammonium sulfate is 12g / L, the content of ammonium sulfate is 100g / L, and the acidity is 36g / L;
[0036] (2) Press filtration: use a filter press to filter the manganese slag slurry, the filtration pressure is 0.20MPa, and keep it for 10 minutes. In order to obtain the filter cake and filtrate, send the filtrate into the filtrate pool; the filter press is a diaphragm filter press, and the equipment The model is MZ680;
[0037](3) Washing wi...
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