Recycling of lightweight concrete

Sustainability benefits of lightweight concrete

The ongoing discussion on closed-loop recycling is increasingly focusing on the construction industry which uses significant amounts of mineral resources and counts among the large waste producers. In excess of 50 mio. tons of demolition waste are generated each year, frequently including a mixture of different components. New concepts and technologies are needed for their recovery. The increasing diversity of materials poses a problem.

Homogeneous material fractions free from foreign and undesirable substances are required, for example, for concrete construction. By 2020, the manufacturers of...

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Issue 02/2019 Recycling of lightweight concrete

Pilot plant paves the way to the future

Implementation of a zero-waste economy requires feeding back of secondary raw materials into subsequent production runs, which is one of the major challenges all raw material processing industries are...

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Issue 02/2013 Lightweight concrete

Lightweight aggregates – a new thermally bound lightweight aggregate of high resource efficiency

Recycling materials from building construction can currently not be adequately recycled. Reasons for this are their considerable heterogeneity in terms of materials composition and high fine particle...

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Issue 09/2016 Ytong

Recycling of autoclaved aerated ­concrete residues

In mid-May 2015, Xella Deutschland and Interseroh together have implemented a big bag concept for the disposal of Ytong autoclaved aerated concrete and Multipor mineral insulation boards. Since then,...

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Issue 02/2014 Production and characteristics

Lightweight concrete with added aerogels as a structural material –

Macroporous lightweight concretes whose thermal insulation effect relies on a certain ratio of air voids in the material are subject to physical limitations that have been virtually exhausted by...

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Issue 02/2018 Infra-lightweight concrete – Potentials for the precast industry

II.) Material-appropriate designing and building

Infra-lightweight concrete is of such lightweight and thus thermal insulating, so that this concrete enables the construction of architectural concrete buildings which meet today’s structural...

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