Waste management

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Managing waste streams and focusing on reduction is a large part of our commitment to protecting our planet. With local communities and wider society having interests in transparent waste disposal, we recognize the broader role we play in conserving natural resources to support a more circular economy.

Our waste minimization guidelines prioritize best practices and clarify responsibilities for sites to manage and reduce waste. Additionally, we take a site-specific approach to waste reduction, as waste classification and regulatory requirements vary by location and must be localized to ensure compliance.

Reducing our waste offers numerous direct and indirect benefits, such as increasing material efficiency, decreasing raw material purchases and reducing our Scope 3 emissions. We understand the importance of addressing challenges and opportunities to make a positive impact and uphold our commitment to waste reduction and a circular economy.

 

Our waste minimization plan

As we integrate our sustainability strategy across our enterprise, we are embedding waste management plans into our core operations. We use a centralized global data system and process to capture and manage environmental data from our manufacturing sites. This data allows us to focus on sites and processes with the largest waste intensity and environmental impact.

Once assessed, Arxada's prioritization scheme is applied. We consider contributing factors, including regulatory requirements, risk reduction and environmental benefit. Once suitable waste streams for reduction are identified, our sites implement our waste minimization hierarchy with the goal of achieving maximum sustainable waste reduction.

Prevent

Preventing waste from being produced.

Recycle

Recovering waste and reprocessing it into products, materials, or substances.[16]

Reduce

Reducing the quantity of waste being produced.

Energy recovery

Converting waste materials into usable heat, electricity, or fuel.

Reuse

Using a product, material, or substance again for the same purpose.

Disposal

Directing waste towards landfilling and other final solutions.

To ensure our waste management is aligned with local regulations and industry best practices while considering newly available technological solutions, our site teams periodically review the performance of waste management practices to advance progress. Waste data is collected quarterly and reported annually through this report.

Waste management in action

The classification of waste as hazardous or non-hazardous at our facilities depends on applicable local regulations. We look to apply industry best practices to minimize our total waste footprint and promote a circular economy.

waste

In 2024, we continued our focused waste reduction projects as part of our ongoing process optimization initiatives. We have achieved a 42% global reduction in waste compared to 2021, primarily driven by waste reduction activities at our Visp location.

 

Looking forward to 2025

In 2025, we will continue identifying opportunities to reuse and recycle materials, aiming to minimize resource consumption and advance our goal of operating in a more circular manner. We will drive sustainable waste reduction by expanding our reduction plans across all sites. At locations where further waste prevention and reduction are not feasible, we will continue progressing toward circularity by seeking alternatives for the by-products generated in our processes. This includes repurposing by-products within our own operations or selling them to other companies as inputs for their processes.

Highlights

 

 

Driving Waste Reduction Through Solvent Recovery at Visp

As part of our ongoing commitment to sustainable operations, we continuously search for opportunities to reduce waste across our sites. In 2024, two key initiatives at our Visp site exemplified our progress in solvent recovery and reuse.

 

1. Recycling Solvents in CDMO Operations

In our Contract Development and Manufacturing Organization (CDMO) business, we partner with customers to design and optimize production processes. For a new product manufactured in a multipurpose plant, we explored the potential for solvent recycling. Several recovery technologies were evaluated through laboratory trials, with rectification emerging as the most effective method to meet stringent quality requirements.

The rectification process was successfully scaled up and integrated into existing equipment. Production trials confirmed that two different solvents could be recovered to the necessary quality standards—without compromising process performance or safety. This solution was implemented for the remaining campaigns in 2024, resulting in the recovery of 600 metric tons of solvent that would have otherwise been incinerated.

 

2. Optimizing Solvent Recovery for a Mature Product

For one of our well-established products, we revisited the handling of a solvent waste stream that was previously sent to an external treatment plant, where recovery yields were low and the resulting solvent quality limited its reuse. By leveraging equipment from an adjacent facility, we implemented an optimized on-site distillation process.

This enhancement now enables the recovery of 120 metric tons of solvent annually for reuse directly in the same production process. The change not only reduces waste and improves material efficiency but also simplifies logistics and eliminates external treatment needs.


[19] Recycling includes composting but does not include incineration.

[20] The scope of our waste data includes all manufacturing sites with FTE >10 (note, Auckland New Zealand and Trentham Australia manufacturing sites are included even though they have less than 10 FTEs) and Pilot Manufacturing sites with FTE >45. Waste from offices is not included, as this is not material to Arxada’s overall waste. 
* Metrics have been assured by ERM CVS. For more information, please see the “External Assurance Statement” which details the scope, activities and conclusion of their engagement.