A1262439677WPGBb

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BLENDINGEnvironmental Impact

• Ian Carswell
• Workshop 25 May 2004, Brussels

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ENVIRONMENTAL IMPACT

• CO2 EMMISSIONS
• With every tonne of Portland cement produced,
  about one ton of CO2 is released to the
  environment
• Greenhouse effect and global warming with CO2
  emissions
• The use of hydraulic bound materials reduces CO2
  emissions associated with cement.
• An energy audit for SBM revealed energy savings
  of 10-15 compared to asphalt bases in road
  construction

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ENVIRONMENTAL IMPACT

• VIEWS ON BLENDING
• Improved performance
• Leeching

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ENVIRONMENTAL IMPACT

• USE OF INERT FINE PARTICLES
• Good Idea gets rid of dust in high value
  application
• Particle shape
• Compensate between increase in fines and
  increased H2O required.