Zinc smelting Precipitated alum
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After neutralization, the solution contains approximately 1.0 g/L of arsenic and about 0.5 g/L of antimony. By adding alum and iron to a concentration of around 7 g/L, it is still not possible to reduce the levels of arsenic and antimony to below 1 mg/L. I would appreciate it if anyone with expertise could suggest effective methods for removing arsenic and antimony. Thank you!
In such cases, iron removal must be performed twice to achieve complete removal
During the precipitation of jarosite, arsenic and antimony do not precipitate together