Cement plays a dual role in the global carbon cycle like a sponge: its massive production contributes significantly to present-day global anthropogenic CO2 emissions, yet its hydrated products gradually reabsorb substantial amounts of atmospheric CO2 (carbonation) in the future.
Jul 29, 2020
Nov 21, 2016 · The CO2 uptake through carbonation of cement materials is thus proportional to the time-integral of cement consumption. Previous studies have ...
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Aug 17, 2023 · Firstly, carbonation causes cement-based products to act as natural carbon sinks, sequestering CO2 from the air and storing it permanently. This ...
Aug 31, 2021 · Concrete construction "offsets around one half" of carbonate emissions from cement industry says IPCC. "Cement and concrete are not carbon sinks ...
Carbon Uptake : GCCA - Global Cement and Concrete Association
gccassociation.org › essential-concrete
A practical estimate of the global carbon sink provided by all concrete is 25% of the process CO2 emissions released during cement production. The carbon uptake ...
According to the authors concrete, although having the main share (70%) of the total cement consumption contributes to the CO2-uptake to a smaller extent: A ...
Aug 10, 2023 · Firstly, carbonation causes cement-based products to act as natural carbon sinks, sequestering CO2 from the air and storing it permanently. This ...
Carbonation is a natural process where carbon dioxide emitted from the limestone in the production of cement is reabsorbed. When cement is used as a binder in ...
Nov 7, 2023 · The cumulative carbon uptake by cement materials from 1930 to 2021 offsets 55.1 % of the emissions from cement production (41.6 Gt CO2, 95 % CI: ...
Gajda (2001) estimated that CO2 uptake of concrete products by carbonation during their service life corresponds to approximately 7.6% of the amount of CO2 ...