C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 14/00 (2006.01) C04B 18/06 (2006.01)
Patent
CA 2641311
The use of the cementitious ash in building products as total or partial replacement for Portland cement results in reduced carbon dioxide emissions that would otherwise result form the manufacture of Portland cement. In addition to avoided carbon dioxide emissions from calcining of limestone to make Portland cement and the burning of fossil fuels to provide the energy needed to make Portland cement, use of the sorbent components tends to increase the efficiency of energy production from burning of coal, further reducing greenhouse emissions from the burning of fossil fuel to produce energy.
Selon la présente invention, l'utilisation de la cendre cimentaire dans des produits de construction pour un remplacement total ou partiel du ciment de Portland entraîne des émissions réduites de dioxyde de carbone qui proviennent autrement de la fabrication du ciment de Portland. En plus des émissions réduites de dioxyde de carbone provenant de la calcination de la pierre à chaux pour fabriquer le ciment de Portland et la combustion des combustibles fossiles pour fournir l'énergie nécessaire à la fabrication du ciment de Portland, l'utilisation des composants absorbant tend à augmenter l'efficacité de la production énergétique provenant de la combustion du charbon, réduisant en outre les émissions des gaz à effet de serre provenant de la combustion d'un combustible fossile pour produire de l'énergie.
Comrie Douglas C.
Gowling Lafleur Henderson Llp
LandOfFree
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