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News FLSmidth forms ECoClay partnership to electrify clay calcination for cement production

FLSmidth forms ECoClay partnership to electrify clay calcination for cement production

Written by Global Cement staff 27 April 2022
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Denmark: FLSmidth has formed a partnership called ECoClay to develop and commercialise the technology needed to electrify the calcination of clay used in cement production. The partners include the Danish Technological Institute, US-based industrial heating specialist Rondo Energy, France-based Vicat, Colombia-based Cementos Argos and the Technical University of Denmark. The project is partly funded by the Energy Technology Development and Demonstration Program (EUDP) under the Danish Energy Agency.

The use of calcined clay in cement production allows cement producers to replace up to 30% of limestone-based clinker, resulting in up to 40% lower CO₂/t in cement produced. By electrifying the process, ideally powered by renewable sources, the ECoClay partnership expects to further reduce emissions by 10% at more uniform conditions that allow processing of a broader range of raw clays.

Based on the shared research and tests on high-temperature electric heat generation, storage solutions and renewable grid integration, the ECoClay partnership will build a pilot plant at FLSmidth’s research and development centre in Denmark. The consortium will seek to demonstrate how the ECoClay process is superior to the conventional combustion processes, has a smaller physical footprint on site and significantly lower emissions of air pollutants. According to the project plan, the ECoClay partners expect to be able to commence construction of the first full-scale electric clay calcination installation by the end of 2025.

Published in Global Cement News
Tagged under
  • Denmark
  • FLSmidth
  • Partnership
  • Calcined Clay
  • Electricity
  • Danish Technological Institute
  • Rondo Energy
  • VICAT
  • Cementos Argos
  • Technical University of Denmark
  • Energy Technology Development and Demonstration Program
  • Danish Energy Agency
  • GCW554
  • ECoClay
  • pilot

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