Cited by 161CO2 Sequestration and Geologic InteractionsSoil Carbon and Nitrogen DynamicsConcrete and Cement Materials Research

Carbonate precipitation in artificial soils as a sink for atmospheric carbon dioxide

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Renforth, P., Manning, D.A.C., Lopez-Capel, E.·2009·Applied Geochemistry

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Crossref · 10.1016/j.apgeochem.2009.05.005

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  • Kinetic fractionation through aqueous carbonate speciation can become dominant and result in a δ13C depletion of -10 to -19‰ for hyper alkaline solutions.

    “Specifically, kinetic fractionation through aqueous carbonate speciation (deprotonation of CO2(aq) to HCO3 -or CO 3 2) can become dominant and result in a 𝛿 ¹³C depletion of -10 to -19 ‰ for hyper alkaline solutions [46 -49].”

    From Isotope chemistry to trace carbon mineralization in construction materials (2026) · cites this paper as [48]

    The Discussion (section 5; page unavailable) links negative δ¹³C signatures in alkaline environments to kinetic fractionation as dissolved CO₂ reacts with hydroxide, and reports a fractionation of 18.8‰. It does not establish the claimed −10 to −19‰ depletion range or specifically describe deprotonation to bicarbonate or carbonate as the mechanism. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Work at other sites shows that pedogenic carbonates are widespread in artificially created urban soils containing Ca and Mg silicate minerals.

    “Work at other sites shows that the occurrence of pedogenic carbonates is widespread in artificially created urban soils containing Ca and Mg silicate minerals.”

    From Rapid Removal of Atmospheric CO2 by Urban Soils (2015) · cites this paper as [9]

  • Studies in urban soils demonstrate a carbon capture potential of 12.5 kg of CO2 per tonne of soil per year by this process.

    “Studies in urban soils 9,16 demonstrate a carbon capture potential of 12.5 kg of CO 2 (t of soil) -1 year -1 by this process, showing that formation of these pedogenic carbonate minerals in urban soils may be a significant and exploitable storage route for soil carbon.”

    From Rapid Removal of Atmospheric CO2 by Urban Soils (2015) · cites this paper as [9]

  • The data in Figure 3 represent mixtures of CaCO3 derived from geological (lithogenic) sources and carbonate that originates from hydroxylation of CO2 at high pH, forming a linear plot representing mixing between lithogenic and pedogenic carbonates.

    “The data shown in Figure 3 represent mixtures of CaCO 3 derived from geological (lithogenic) sources (such as limestone aggregate in construction materials) and carbonate that originates from hydroxylation of CO 2 at high pH, 9 forming a linear plot representing mixing between lithogenic and pedogenic carbonates.9”

    From Rapid Removal of Atmospheric CO2 by Urban Soils (2015) · cites this paper as [9]

  • Similar observations have been found at other sites, where the rate of CO2 removal has been estimated on the basis of the assumption that calcium carbonate content in soil was zero at the time of demolition or soil formation.

    “Similar observations have been found at other sites, where the rate of CO 2 removal has been estimated on the basis of the assumption that calcium carbonate content in soil was zero at the time of demolition 9 or soil formation.14”

    From Rapid Removal of Atmospheric CO2 by Urban Soils (2015) · cites this paper as [9]

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Research works printed but not linked: 2

  1. British Cement Association, 2009. Table 2. Quarterly Cementitious BCA Web Statistics.
  2. Kalin, R.M., Dardis, G., Lowndes, J., 1997. Secondary carbonates in the Antrim basalts: geochemical weathering at 35KyBP. In: Geofluids II Conference Extended Abstracts, pp. 22–25.

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Authors
Renforth, P., Manning, D. A. C., & Lopez-Capel, E.
Affiliations
Newcastle University (GB)
Corresponding author
Renforth, P.
Venue
Applied Geochemistry
Publisher
Elsevier BV
Published
2009-09
Volume
24
Issue
9
Pages
1757-1764
ISSN
0883-2927 (ISSN-L)
OpenAlex
W2118084228
Cited by
161
References
52
Citations by year
2026: 7 · 2025: 8 · 2024: 7 · 2023: 7 · 2022: 14 · 2021: 8 · 2020: 14 · 2019: 16 · 2018: 6 · 2017: 7 · 2016: 6 · 2015: 10 · 2014: 18 · 2013: 10 · 2012: 11
FWCI
6.49
Type
journal article
Language
en
Open access
Locations
  • Applied Geochemistry (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (acceptedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
Engineering and Physical Sciences Research Council (EP/F02777X/1)
Topics
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
Keywords
carbonate precipitation, artificial soil, calcium carbonate, soil carbon storage, demolition waste, basic slag, portlandite, calcium silicate, carbon isotopes, oxygen isotopes, organic carbon degradation, construction site, carbon cycle

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