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Pages with Tag:Recycling

The raw material autoclaved aerated concrete

Whether autoclaved aerated concrete (AAC) powder, which is recycled from production, or AAC from demolition projects, which is recycled according to type, is used in the production of new blocks makes no difference in principle.
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Recycling without quality loss

What can be used in the recycled end-product and what cannot? The decisive factor for our quality standard in the use of post-demolition autoclaved aerated concrete (AAC) is the sorting accuracy.
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Sorting is where it all comes down to

Xella's cooperation with Otto Dörner and Holcim shows how autoclaved aerated concrete residues are processed and reused in the manufacture of new products.
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Close the circle: Recycling of autoclaved aerated concrete

Xella pursues three circulation models to return autoclaved aerated concrete (AAC) residues to the production cycle: This involves residues from production, from the construction site and even AAC residues from demolition and dismantling projects.
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Cradle to Cradle: Recycling at Xella

For Xella, the circular economy is of enormous importance. The motivation for this are the legal framework conditions of the EU as well as the environmental aspect and the economic factor. The core of the circular economy is the Cradle to Cradle concept.
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Economical and ecological: Ytong Big Bags benefit the Circular Economy

Ytong cellular concrete can be processed on site with comparatively little waste. As a rule, less than one percent of the delivered quantity is left over as cut waste, which was previously disposed of with the construction waste
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Environmentally friendly and economical: recycling management in practice

Together with our partner company Otto Dörner, Xella Technologie- und Forschungsgesellschaft has started a project to reuse aerated concrete residues from mixed construction waste for the renewed production of aerated concrete.
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More sustainability news

  • How Xella is taking up the fight against CO2 emissions

    The construction and building industry is responsible for nearly 40 percent of global CO2 emissions. At Xella, we've made it our mission to change that. In 2021, we took a few steps forward.

    View more
  • Driving circularity with AAC

    Old becomes new – this is how the principle of the circular economy can be explained in very simple terms. Establishing a circular economy for our building materials is currently one of the most imp

    View more
  • Our ambitious roadmap to more sustainability

    As one of the leading building material suppliers in the construction industry, we are aware of our responsibility to make this industry more sustainable. Learn more about our journey.

    View more

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