POLYMIN - University of Waterloo
POLYMIN - University of Waterloo
POLYMIN - University of Waterloo
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<strong>POLYMIN</strong> 2005<br />
Example 1: Geochemical modelling <strong>of</strong> AMD from a waste rock pile<br />
From base case in Molson et al. (2005)<br />
Elev. (m)<br />
20<br />
15<br />
10<br />
(a) Oxygen, 2 years<br />
[O 2<br />
]g/L<br />
0.25<br />
0.2<br />
0.15<br />
0.1<br />
0.05<br />
0<br />
10<br />
9.5<br />
9<br />
24 25<br />
5<br />
0<br />
Elev. (m)<br />
20<br />
15<br />
10<br />
(b) pH, 2 years<br />
pH<br />
7<br />
6<br />
5<br />
4<br />
3<br />
10<br />
9.5<br />
9<br />
24 25<br />
5<br />
0<br />
0 10 20 30 40 50<br />
Distance (m)<br />
Top: Oxygen concentrations at 2 years, bottom: pH at 2 years.<br />
45
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