2019-10-22 17:04:10Removal of iron from fused quartz powder by flotation
The flotation method is mainly used to separate feldspar from molten quartz powder, but it can also be used to remove clay minerals such as mica and secondary pig iron from quartz sand. The typical process is based on hydrofluoric acid as the activator, and amine cations are used under strong acidic conditions (pH2 ~ 3).
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