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TAG overview

Waste and recycling

Although waste contains valuable raw materials that can be reused in the production stream, it can also pose a wide range of risks to the environment. We therefore consider it essential to either prevent waste, or to reuse and recycle as much of it as possible.

Our approach to waste and recycling

We aim to both limit the loss of raw materials and reduce the impact of our waste disposal practices on ecosystems. To this end, we are working to lower our Waste Score, our key waste management indicator, by 5% by 2025 (2016 baseline).

We prevent the generation of waste by, for instance, developing new production processes or optimizing existing ones. When this is not feasible, we do our best to recover materials or energy from the waste we create. Our waste scoring system helps us support a circular economy. Waste separation makes it possible to recover and recycle raw materials, while unrecyclable waste is disposed of in an environmentally sustainable manner in line with the strictest waste disposal standards. In doing so, we comply with local legal regulations and take into account the available disposal options.

Responsibility for the waste disposal process

As a company that generates waste, we are responsible for the ultimate disposal of our waste products and therefore choose our service providers with the utmost care, contractually stipulating disposal requirements. We conduct random audits to verify their compliance with our disposal standards, especially when it comes to hazardous waste.

How we organize our waste management and recycling

Our Group Environment, Health, Safety, , Quality () function bears overall responsibility for our waste management and recycling practices, while our managers are in charge of implementing our requirements at our individual sites. We have a Group-wide committee consisting of experts from EQ and our business sectors to coordinate our approach to waste management.

Waste management forms part of our Group-wide environmental management system, with 92 sites certified to . In addition to undergoing external certification, we also conduct internal EHS audits to review our waste management practices. Moreover, we regularly host activities such as EHS forums and conferences to keep our local EHS managers and site directors up to date on the topic and raise awareness. In 2020, we resorted to virtual training due to the global restrictions resulting from the Covid-19 pandemic.

Further information can be found under Environmental stewardship.

Our commitment: Group-wide EHS standards

Our Group-wide Waste Management Standard provides a consistent framework for waste management across all our sites, defining organizational structures and minimum requirements. This standard also stipulates that all facilities document their waste by type and quantity and report this data to our Group EQ function.

Systematic waste reduction

We use a variety of methods for recycling, recovering and disposing of the waste we generate, each of which has a different impact on the environment. To systematically account for these effects, we have put in place a waste scoring system that allows us to compare the amount of waste our individual sites generate and track our various waste streams. Under this system, our waste streams are broken down into five categories by percentage: landfilling, thermal disposal, waste-to-energy, recycling, and prevention. This percentage is then multiplied by a factor that increases based on the disposal method’s environmental impact. The total from each category is added together to yield our total Waste Score. Prevented waste is multiplied by a factor of zero, thus lowering the overall score.

Waste Score (Graphic)


1 The baseline was retroactively adjusted owing to subsequent data corrections.

Reducing the environmental impacts of waste

To systematically account for the environmental footprint of our waste, we have put in place our Group-wide Waste Score. We are aiming to reduce this score by 5% by 2025 compared with 2016. To achieve this goal, we constantly examine our production processes and disposal methods to identify potential areas for improvement, an endeavor supported by the EHS units of the business sectors at each respective site. They regularly discuss best practices, share lessons learned across our sites, and drive the transition to greener disposal methods. In 2020, we succeeded in reducing our total Waste Score by 4,6% relative to 2016.

Year on year, the amount of waste we generated in 2020 decreased slightly, totaling 231 metric kilotons (2019: 244 metric kilotons). Soil, construction and demolition waste accounted for 21% of our total waste in 2020 (2019: 31%). Our Waste Score does not factor in this type of waste, which can rarely be avoided and must be discarded in accordance with clearly prescribed methods.

Promoting the circular economy

Under the ProMec initiative at our Darmstadt site, we are promoting a sustainable, resource-efficient circular economy. We are refining our solvent recycling practices, thereby minimizing the adverse environmental impacts from the disposal of our production waste. In 2020, we expanded our solvent recycling program to include a variety of solvents from Organics production, which has allowed us to recycle an additional 600 metric tons of solvent. This move has sustainably boosted the recycling rate of our production waste in Darmstadt from 8% to 16%.

Shifting from landfill to waste-to-energy

In mid-2020, our St. Louis (Missouri, USA) hub shifted a large portion of its waste disposal from landfill to waste-to-energy recovery. By the end of 2020, more than 140 metric tons of waste had been sent to waste-to-energy plants. In 2021, we expect 330 metric tons at a minimum to be processed via this disposal channel, which has an 89% lower CO2 emission rate than landfill. Avoiding landfill will help us reduce our emissions from waste at St. Louis by 120 metric tons of CO2 per year. In 2021, the site is planning to shift further waste streams from landfill to waste-to-energy recovery.

This term stands for all necessary measures and governance activities to detect, analyze, handle, and mitigate security- and crime-based threats to the company. This helps to protect employees as well as the tangible and intangible assets of the company.
Our Group Environment, Health, Safety, Security, Quality function
Short for “Environment, Health and Safety”, this refers to environmental management, health protection and occupational safety throughout a company.
ISO 14001
This international standard defines globally recognized requirements for an environmental management system.
Short for “Environment, Health and Safety”, this refers to environmental management, health protection and occupational safety throughout a company.