REMEX
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Company locations

The whole picture – with just a single click. Find out here where our branches are located, what services they offer and how to contact them.

REMEX' business locations

REMONDIS Group locations

Discover the world of REMONDIS with its approx. 900 branches and associated companies in over 30 countries across Europe, Africa, Asia and Australia.

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REMEX portfolio for operators of Energy-from-Waste plants

MUNICIPAL WASTE AS RESOURCE

Gaining sustainable raw materials from WtE residues

Waste-to-Energy (WtE) plants play a key role in modern waste management. By thermally treating municipal solid waste, they generate energy while significantly reducing the waste volume. The remaining mineral residue – known as incinerator bottom ash (IBA) – still contains valuable metals and mineral components. Through specialised recycling processes, these resources can be recovered and returned to industrial material cycles instead of being landfilled.

Incinerator bottom ash as a secondary resource

As the number and capacity of Waste-to-Energy plants continue to grow worldwide, increasing quantities of bottom ash are produced. This material represents an important secondary resource.

Incinerator bottom ash typically contains:

mineral fractions suitable for use as secondary aggregates

non-ferrous (NF) metals such as aluminium, copper, brass and zinc

ferrous metals (FE) such as stainless and carbon steel

Through advanced processing technologies, these materials can be separated and recovered with high ecological and economic efficiency. 

Ecological advantages of material recovery

Environmental benefits of IBA aggregates

Resource protection

0.55 m³

avoided extraction per tonne of IBAA recovered (assuming raw material density of 1.8 t/m³)


Landfill reduction 

1.0 t 

avoided disposal per tonne of IBAA recovered

Climate benefit from secondary NF metals

12.58 t CO2-eq. 

per tonne of aluminium recovered

4.76 t CO2-eq. 

per tonne of copper recovered

Climate benefit from secondary FE metals

1.75 t CO2-eq.

per tonne of ferrous metal recovered

Closing the material loop

By recovering metals and producing high-quality mineral aggregates from bottom ash, REMEX contributes to the transition towards a circular economy. Valuable materials are returned to industrial cycles while landfill volumes and the extraction of primary raw materials are reduced.

Mobile processing solutions for bottom ash

REMEX has developed a modular mobile processing concept to recover resources from bottom ash directly where they occur. The mobile plant integrates key treatment technologies for IBA processing and can be transported, installed and commissioned within a short time. Its modular design enables flexible deployment, for example at Waste-to-Energy plants, landfill sites or temporary treatment locations. This approach allows efficient resource recovery even where permanent treatment plants are not available.
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REMEX expertise in IBA processing

REMEX is one of the leading specialists in Europe for the treatment and recovery of resources from incinerator bottom ash. With decades of operational experience and continuous development of recycling technologies, the company focuses on maximising resource recovery from Waste-to-Energy residues. Our processing concepts enable the precise separation of their valuable components, improving the quality of recovered materials and enabling their reuse in industrial and strucktural applications.

Partnering with REMEX closes the cycle from waste collection to recovery of all inherent raw materials. Our quality management system ensures optimum recycling rates and material qualities, enabling use in high-end applications. Learn more about the potential of IBA aggregates here

REMEX value chain for Waste-to-Energy residues

REMEX supports project developers and operators of Waste-to-Energy plants worldwide in recovering resources from incinerator ash – from plant design and operations to marketing and quality management. Interested in collaborating?

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