Featured Project: ProAsh

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Production partnership between EDF Energy, Lafarge and Cemex.

Strategic considerations:

  • To minimise ash landfill through the development of cementitious markets for fly ash
  • To ensure a reliable supply of quality fly ash to the cement and concrete sector
  • To maximise use of existing infrastructure for conveying and storage


Financed by EDF and managed by Lafarge, included the installation of a STI Separator for carbon removal, a process for returning high carbon ash to the coal conveyor for re-burning, low carbon ash output linked into existing ash transfer system .


Project received an award by EDF in Paris: on time, within budget, zero accidents and achieving significant reduction in ash directed to landfill. Resulting ash product very well accepted by customers.