Table 9 Statistics on capacity and footprint of different drainage sites.

From: The green value chain model of mining company based on zero carbon emissions

Discharge site name

Capacity (\({10^6}\,\hbox{m}^{3}\))

Floor space (\({10^6}\,\hbox{m}^{2}\))

Unit waste rock volume footprint (\({10^{ - 3}}\,\hbox{m}^{2}/\hbox{t}\))

Average value of unit footprint (\({10^{-3}}\,\hbox{m}^{2}/\hbox{t}\))

Discharge site of a vanadium-titanium magnetite ore mine in west China

300

3.69

4.56

5.16

Discharge site outside No.1 open pit coal mine in Sharhu mining area

134.3

2.31

6.37

South Pit Discharge Site of Karma Copper Polymetallic Mine, Tibet

121.06

1.13

3.46

Angular Rock Open Pit Discharge Site of Karma Copper Polymetallic Mine, Tibet

166.74

1.85

4.11

Southwest outcrop of Weijia Northwest Open Pit Coal Mine

200.20

3.58

6.62

Weijia Northwest Open Pit Discharge Site, East No.2

203.78

3.21

5.83