CO2 Uptake Model of Biomass Silica Foamed Concrete
Keywords:Biomass silica, CO2 emission, CO2 uptake, foamed concrete
AbstractThe cement industry contributes about 5% to global anthropogenic CO2 emissions. CO2 is
emitted from the calcination process of limestone, from combustion of fuels in the kiln, as
well as from power generation. A model of CO2 uptake by biomass silica foamed concrete is
proposed as a potential mitigation strategy against CO2-emission. The key parameters in the
cement production process are defined and the total CO2 emissions are reviewed. A
comparison between CO2 emission and CO2 uptake by carbonation is made. The forecasting
of CO2 uptake by carbonation is modeled with the use of Microsoft Excel. The CO2 emission
mitigation options are discussed based on the modeling on CO2 uptake by biomass silica
foamed concrete. The proposed foamed concrete absorbs CO2 42.7% faster than the normal
Portland cement concrete, with a regression accuracy of 0.98. Successful deployment could
contribute towards sustainable development while benefiting from the carbon credits.
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