266
L. Ren et al.
Table 7.4
Process energy consumption intensity and fuel structure
Process
Energy consumption
intensity (MJ/t)
Fuel structure (%)
Coal
Oil Natural gas Diesel Gasoline Fuel oil Electricity Coke Coal gas
Underground mining
40.3
0
0
0
0
0
0
100
0
0
Open cast mining
13.8
0
0
0
77.1
0
0
22.9
0
0
Ore dressing
110.4
0
0
0
0
0
0
100
0
0
Sinter
1448.6
88.7
0
0
0
0
0
11.3
0
0
Pallet
506.7
75.1
0
0
0
0
0
24.9
0
0
BF ironmaking
14,300.2
26.2
0
0
0
0
0
1.7
72.1
0
BOF steelmaking
255.3
0
0
0
0
0
0
100
0
0
EAF steelmaking
1047.3
0
0
0
0
0
0
100
0
0
Finished steel processing
1866.4
0
0
0
0
0
0
21.6
0
78.4
Foundry casting
12,583.1
47.8
0
0
0
0
1.4
45.1
0
5.7