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News Lafarge produces Aether clinker for first time

Lafarge produces Aether clinker for first time

Written by Global Cement staff 16 January 2013
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France: Lafarge has announced that it has completed a industrial-scale trial to make Aether®, its new generation clinker formulated for lower carbon cements and has 25-30% lower CO2 emissions than normal clinker.
 


The trial mobilised a team of around 100 people over a 10-day period at the group's plant in Le Teil, France. It allowed the production of 10,000t of Aether clinker and, according to a Lafarge press release, confirmed the feasibility of industrial-scale production using traditional raw materials. 



The result of several years of research by Lafarge's research and development teams, the new clinker offers similar properties to OPC and can be produced in traditional cement plants after minor process adjustments. However, it has a lower overall environmental footprint, which is derived from having a lower limestone content in the raw mix, a kiln temperature in the region of 1300°C and lower-energy grinding.


Following sustained CO2 emission reductions since the early 1990s, Lafarge says that the Aether project will help it to reduce CO2 emissions per tonne of cement by 33% by 2020, one of its Sustainability Ambitions 2020 targets.

The first Aether products will be launched in 2014.

Last modified on 16 January 2013
Published in Global Cement News
Tagged under
  • Lafarge
  • France
  • Emissions
  • Research
  • GCW83

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