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Wednesday, 17 July 2019
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Raw materials & technologies, Technologies

Hydration of cement regenerated from recyclable concrete

Wednesday, 9 April 2014

Belgian researchers present a hydration study on cement regenerated from completely recyclable concrete (CRC).

They used thermogravimetric analysis and X-ray powder diffraction/Rietveld analysis as test methods. The experimental results for the hydration reactions of the clinker phases in the regenerated cement were compared to a hydration model for ordinary Portland cement (OPC).

Products are similar for recycled and traditional cement

A good agreement between the experimental and modeling results was observed. Therefore in terms of both reaction kinetics and hydration product assemblages the hydration of cement regenerated from CRC is concluded to be very similar to the hydration of OPC.

The study is published in: Construction and Building Materials, Volume 60, 16 June 2014, Pages 33-41.

The hydration of cement regenerated from CRC is very similar to the hydration of OPC. Source: Stefan Körber/Fotolia

The hydration of cement regenerated from CRC is very similar to the hydration of OPC. Source: Stefan Körber/Fotolia

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