Heidelberg Materials, a German multinational building materials company, has opened a recycling plant for selective separation and sorting of demolition concrete in Katowice, Poland.
The plant will employ a new crushing mechanism that can adequately recycle demolition concrete and replace virgin material in the production process.
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Nicola Kimm, Heildelberg Materials’ chief sustainability officer and managing board member, highlighted the company’s long term environmental goals:
“Thanks to our strong commitment to continuous innovation, we are now introducing a revolutionary and commercially viable technology combining circularity with decarbonisation on our path to net zero. Innovations like these help to accelerate our transformation and highlight our ambition to close the loop by offering circular alternatives for 50% of our concrete products by 2030.”
As part of the patented ReConcrete process (RCP), a crushing mechanism breaks down demolition concrete into its original constituents. The process produces sand and gravel that, Heidelberg Materials claims, match the quality of virgin raw materials.
RCPs act as carbon sinks, permanently absorbing and sequestering CO₂ over the entire lifespan of the infrastructure.
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By GlobalDataThe recycled concrete paste can replace limestone and reduce CO₂ clinker production or as a secondary cementitious material.
Heidelberg Materials aims to further invest in the production and expansion of sustainable building materials with a circular lifespan. The company recently acquired the B&A Group, a construction soil and aggregates recycler in South West England.
To further explore this technology, Heidelberg Materials is building an industrial enforced carbonization pilot plant at its cement plant in Guraždja, Poland. Produced at a processing plant near Katowice, the RCP will be transported to a pilot plant in Guraždja, where it will be exposed to kiln exhaust gases. Mechanical completion of the facility is expected by the end of 2024.
