Environmental key figures

Environmental key figures
Unit 2010 2011 2012 2013 2014 2015 2016 2017
Metallic raw materials Thousand tons 359 352 318 341 328 295 314 329
Of which, recovered % 81 80 81 81 80 80 78 79
Energy consumption TJ 9,112 9,131 8,907 9,157 8,956 8,573 8,505 8,649
Change % 21 0 -2 3 -2 -4 -1 2
Non-renewable fuel TJ 3,910 3,691 3,396 3,350 3,166 3,059 3,064 3,096
Electricity, heating and cooling purchased TJ 5,201 5,440 5,512 5,844 5,830 5,555 5,477 5,582
Electricity, heating and cooling sold TJ -37 -39 -42 -36 -29
Energy intensity MJ/hour 83 92 89 88 90 95
Change % 11 -3 -1 3 5
Water consumption Thousand m3 8,998 8,414 8,482 8,222 7,877 7,737 7,276 7,354
Change % 27 -6 1 -3 -4 -2 -6 1
Of which, purchased water Thousand m3 3,437 3,379 3,265 3,207 3,011 2,601 2,548 2,462
Of which, groundwater Thousand m3 601 617 716 667 681 924 679 837
Of which, collected surface water Thousand m3 4,913 4,377 4,496 4,342 4,181 4,210 4,045 4,048
Of which, rain Thousand m3 46 41 6 6 4 2 4 7
Water intensity liter per worked hour 79 82 78 79 77 81
Change % 4 -5 2 -2 4
CO2 emissions Thousand tons 559 538 527 384 388 382 377 377
Change % 17 -4 -2 -27 1 -1 -1 0
Direct emissions, from fossil fuels Thousand tons 260 242 221 217 203 196 195 196
Indirect emissions, from electricity Thousand tons 299 296 306 168 185 187 182 181
CO2 emission intensity g CO₂ /hour 4,909 3,847 3,833 3,918 4,015 4,137
Change % -22 0 2 2 3
Waste Thousand tons 417 433 352 366 367 352 313 307
Change % 49 4 -19 4 0 -4 -11 -2
2007-2013 breakdown of waste
Of which, hazardous Thousand tons 34 36 35 38 n.a n.a n.a n.a
Of which, to landfill Thousand tons 358 366 292 307 n.a n.a n.a n.a
2014-2016 breakdown of waste
Hazardous waste to recovery Thousand tons n.a. n.a. n.a. n.a. 13 12 11 11
Hazardous waste to other disposal Thousand tons n.a. n.a. n.a. n.a. 20 19 17 22
Non-hazardous waste to recovery Thousand tons n.a. n.a. n.a. n.a. 30 36 35 33
Non-hazardous waste to other disposal Thousand tons n.a. n.a. n.a. n.a. 304 285 250 240
Emissions of process water Thousand m3 2,166 2,265 1,942 2,096 2,104 2,204 2,234 2,376
Change % 52 5 -14 8 0 5 1 6
Emissions to air
NMVOC ton 62 61 66 64 61 62 57 57
SO2 ton 69 71 42 39 34 33 35 31
NOx ton 441 380 354 351 339 333 330 329
Emissions to water
Nitrogen ton 379 329 285 269 261 230 210 215
Phosphorous ton 1 12 21 33 37 34 32 33
COD ton 201 170 259 208 195 151 171 194
Nickel ton 0.2 0.2 0.3 0.2 0.3 0.2 0.2 0.3
Chromium ton 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1