Sintering | Pelleting | Coking | Iron-making | BOF | EAF | Rolling | Integrated energy consumption | |
---|---|---|---|---|---|---|---|---|
The average primary energy intensity of key steel enterprises by process (kgce per tonne of product) | ||||||||
2004 | 66.4 | 42.0 | 142.2 | 466.2 | 26.6 | 209.9 | 92.9 | 761.0 |
2007 | 55.2 | 30.1 | 121.7 | 426.8 | 6.0 | 81.3 | 63.1 | 628.0 |
2010 | 52.7 | 29.4 | 105.9 | 407.8 | −0.2 | 74.0 | 61.7 | 604.6 |
2013 | 49.1 | 28.3 | 100.5 | 398.1 | −7.7 | 60.8 | 59.5 | 592.0 |
Lowest primary energy intensity of key steel enterprises by process (kgce per tonne of product) | ||||||||
2004 | 52.1 | 19.2 | 88.1 | 395.4 | −3.8 | 146.3 | 53.7 | - |
2007 | 38.0 | 18.2 | 82.8 | 377.9 | −16.1 | 46.7 | 28.2 | - |
2010 | 43.1 | 17.6 | 63.6 | 343.2 | −13.3 | 27.5 | 25.9 | - |
2013 | 35.4 | 14.5 | 59.2 | 320.0 | −23.6 | 21.9 | 32.3 | - |
Highest primary energy intensity of key steel enterprises by process (kgce per tonne of product) | ||||||||
2004 | 108.6 | 83.3 | 229.2 | 591.8 | 75.2 | 325.5 | 286.9 | - |
2007 | 85.3 | 51.3 | 434.6 | 569.3 | 38.0 | 171.6 | 220.7 | - |
2010 | 66.8 | 45.5 | 188.3 | 502.8 | 29.1 | 221.33 | 255.7 | - |
2013 | 56.8 | 44.9 | 154.6 | 474.0 | 14.9 | 176.6 | 209.5 | - |