Stones & Soils

Hydroxide precipitation for the treatment of seepage water in mine pits and tips

The longitudinal study on the purification of pit water contaminated with arsenic and heavy metal carried out as part of this project showed that, under the right conditions, the use of the Fe and Al contained in the water itself can result in a reduction of up to 90 % of the dissolved components of the load elements. Moreover, the proven long-term operational functionality of the system also allows for its transfer to other problem cases.

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Source: German National Library of Science and Technology Hannover (TIB)