Antofagasta Results Presentation Deck
Precipitation and water contained - Mauro tailings dam
Volume (Mm³)
12
10
8
4
2
Water situation at Los Pelambres
Unprecedented dry conditions, with almost no precipitation
X
0
10.6
9.73
Jan-16
10.3
8.6
Jan-17
10.3
8.3
7.4:
Jan-18
Precipitation (mm)
9.3
9.5
7.4
6.4
Jan-19
5.6
......
The Mauro dam water
volume has fallen to
its lowest level ever
4.9
J..
3.1
2.1
Jan-20
4.3
3.0
*3.0
Water volume (Mm³)
1.9
1.0
Jan-21
1.2
250
200
150
100
50
0
Precipitation (mm)
Fresh
water
Desalination
Plant
Concentrator
From
H2 2022
Water flow
Recycled water flow
Thickeners
Recycled
water
Tailings disposal
ANTOFAGASTA PLC
Losses
A lot of work has been done over the
years to increased recycled water
efficiency, including reducing the water
in the tailings and evaporation losses
7View entire presentation