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BLENDING Environmental Impact. Ian Carswell Workshop 25 May 2004, Brussels. ENVIRONMENTAL IMPACT. CO 2 EMMISSIONS With every tonne of Portland cement produced, about one ton of CO 2 is released to the environment Greenhouse effect and global warming with CO 2 emissions

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blending environmental impact

BLENDINGEnvironmental Impact

Ian Carswell

Workshop 25 May 2004, Brussels

environmental impact
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
environmental impact4
ENVIRONMENTAL IMPACT
  • VIEWS ON BLENDING
    • Improved performance
    • Leeching
environmental impact5
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.