Waste
In integrated production, we minimize waste by feeding byproducts back into the production loop. WACKER endeavors to avoid waste throughout the product’s entire life cycle. Groupwide, we record the volume of waste we generate according to the criteria “to be recycled” and “to be disposed of,” as well as “hazardous” and “non-hazardous.”
When it comes to solid waste, we prioritize prevention over recycling over disposal. We see it as one of our ongoing tasks to identify new ways of suitably recycling materials within and outside our sites.
It is very important to us that waste is recycled, treated and disposed of in an environmentally compatible and legally compliant manner. To this end, we monitor the disposal companies that we work with for recycling and disposal, performing regular audits.
The amount of waste rose 14 percent groupwide. This rise is due primarily to the increase in production-related non-hazardous waste, resulting mainly from the commissioning of our new Jining site in China and from the acquisition of ADL at our León site in Spain.
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Waste by type, in metric tons (t) |
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2023 |
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2022 |
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20211 |
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Total |
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220,163 |
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192,741 |
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181,628 |
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Recycled |
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186,978 |
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160,538 |
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150,702 |
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Hazardous |
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57,770 |
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60,692 |
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64,310 |
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Non-hazardous |
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129,208 |
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99,846 |
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86,392 |
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Disposed of |
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33,185 |
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32,203 |
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30,926 |
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Hazardous |
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11,620 |
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11,612 |
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11,414 |
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Non-hazardous |
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21,565 |
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20,591 |
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19,512 |
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Hazardous |
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69,390 |
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72,304 |
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75,724 |
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Non-hazardous |
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150,773 |
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120,437 |
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105,904 |
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Recycled waste in the reporting year, in metric tons (t)2 |
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Onsite |
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Offsite |
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Total |
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Hazardous waste |
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Preparation for reuse |
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– |
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866 |
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866 |
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Recycling |
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1 |
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8,886 |
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8,887 |
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Other recovery processes |
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23,082 |
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24,934 |
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48,016 |
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Total |
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23,083 |
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34,687 |
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57,770 |
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Non-hazardous waste |
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Preparation for reuse |
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– |
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30,416 |
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30,416 |
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Recycling |
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– |
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24,614 |
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24,614 |
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Other recovery processes |
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4,464 |
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69,713 |
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74,177 |
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Total |
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4,464 |
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124,744 |
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129,208 |
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Waste disposed of in the reporting year, in metric tons (t)2 |
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Onsite |
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Offsite |
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Total |
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Hazardous waste |
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Incineration (with energy recovery) |
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1 |
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1,042 |
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1,043 |
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Incineration (without energy recovery) |
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4,515 |
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2,458 |
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6,973 |
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Landfill |
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1,665 |
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1,392 |
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3,057 |
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Other waste-treatment processes |
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26 |
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521 |
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547 |
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Total |
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6,207 |
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5,414 |
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11,620 |
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Non-hazardous waste |
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Incineration (with energy recovery) |
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0 |
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540 |
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541 |
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Incineration (without energy recovery) |
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2,936 |
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258 |
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3,195 |
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Landfill |
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3,861 |
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13,081 |
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16,943 |
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Other waste-treatment processes |
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84 |
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803 |
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887 |
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Total |
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6,882 |
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14,683 |
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21,565 |
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