Research Article

Experimental Simulation Study of Mine Water Acidification under the Action of Pyrite

Table 1

Design of the dynamic leaching experiment including experimental conditions of 2–4-mm particle size and 50% pyrite content as examples.

Medium compositionFilling orderFill heightLeaching water sampleLeaching speed

Limestone + pyriteQuartz sand3 cmDistilled water100 ml/h
Limestone22 cm
Pyrite22 cm
Quartz sand3 cm
Coal gangue + pyriteQuartz sand3 cm
Coal gangue22 cm
Pyrite22 cm
Quartz sand3 cm
Coal + pyriteQuartz sand3 cm
Coal22 cm
Pyrite22 cm
Quartz sand3 cm