Ex situ aqueous mineral carbonation

Gerdemann, Stephen J.; O'Connor, William K.; Dahlin, David C.; Penner, Larry R.; Rush, Hank

doi:10.1021/es0619253

Cited by 633CO2 Sequestration and Geologic InteractionsCarbon Dioxide Capture TechnologiesCarbon dioxide utilization in catalysis

Ex situ aqueous mineral carbonation

Gerdemann, Stephen J., O'Connor, William K., Dahlin, David C., Penner, Larry R., Rush, Hank·2007·Environmental Science & Technology

DOI 10.1021/es0619253

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Abstract

The U.S. Department of Energy's National Energy Technology Laboratory (NETL) located in Albany, OR (formerly the Albany Research Center) has studied ex situ mineral carbonation as a potential option for carbon dioxide sequestration. Studies focused on the reaction of Ca-, Fe-, and Mg-silicate minerals with gaseous CO2 to form geologically stable, naturally occurring solid carbonate minerals. The research included resource evaluation, kinetic studies, process development, and economic evaluation. An initial cost estimate of approximately $69/ton of CO2 sequestered was improved with process improvements to $54/ton. The scale of ex situ mineral carbonation operations, requiring 55 000 tons of mineral to carbonate, the daily CO2 emissions from a 1-GW, coal-fired power plant, may make such operations impractical.

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Costs associated with the pre-treatment of the minerals and chemicals demand would also affect the cost of the mineralization process.
“However, the costs associated with the pre-treatment of the minerals and chemicals demand would also affect the cost of the mineralization process.163,164”
From Mechanisms of Mg carbonates precipitation and implications for CO 2 capture and utilization/storage (2023) · cites this paper as [163]
If the energy requirements for CO2 mineralization are subtracted, these costs decrease to 52.7 € per ton CO2, 62.45 € per ton CO2 and 76.12 € per ton CO2, respectively.
“If the energy requirements for the CO 2 mineralization are subtracted, these costs decrease to 52.7 € per ton CO 2 , 62.45 € per ton CO 2 and 76.12 € per ton CO 2 , respectively.”
From Mechanisms of Mg carbonates precipitation and implications for CO 2 capture and utilization/storage (2023) · cites this paper as [163]
Near complete conversion of calcium silicate minerals such as wollastonite (CaSiO3) and magnesium silicate minerals such as olivine ((Mg,Fe)2SiO4) were achieved on reacting for 3-6 h at representative subsurface conditions.
“Near complete conversion of calcium silicate minerals such as wollastonite (CaSiO3) and magnesium silicate minerals such as olivine ((Mg,Fe)2SiO4) were achieved on reacting for 3–6 h22–24.”
From Carbon mineralization pathways for carbon capture, storage and utilization (2021) · cites this paper as [24]
Rapid conversion of naturally occurring ultramafic and mafic minerals at high temperature and high pressure using industrial reactors is technologically feasible.
“Rapid conversion of naturally occurring ultramafic and mafic minerals at high temperature and high pressure using industrial reactors is technologically feasible (e.g., [1,2]); however, the costs of mineral pre-treatment and the energy economics of accelerating carbonation reactions from geological to industrial timescales remain serious obstacles [3].”
From Strategizing carbon-neutral mines: A case for pilot projects (2014) · cites this paper as [1]

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Authors: Gerdemann, S. J., O'Connor, W. K., Dahlin, D. C., Penner, L. R., & Rush, H.
Affiliations: National Energy Technology Laboratory (US)
National Energy Technology Laboratory, 1450 Queen Avenue SW, Albany, Oregon 97321
Corresponding author: Gerdemann, Stephen J.
Venue: Environmental Science & Technology
Publisher: American Chemical Society (ACS)
Published: 2007-03-01
Volume: 41
Issue: 7
Pages: 2587-2593
ISSN: 0013-936X (ISSN-L)
1520-5851
DOI: 10.1021/es0619253
OpenAlex: W2042016445
Cited by: 633
References: 8
Citations by year: 2026: 45 · 2025: 59 · 2024: 65 · 2023: 33 · 2022: 48 · 2021: 27 · 2020: 36 · 2019: 28 · 2018: 33 · 2017: 22 · 2016: 22 · 2015: 25 · 2014: 42 · 2013: 49 · 2012: 30
FWCI: 15.21
Type: journal article
Language: en
Open access: closed
Locations: Environmental Science & Technology (publishedVersion)
PubMed (publishedVersion)
Helmholtz Centre for Ocean Research Kiel (GEOMAR) (acceptedVersion)
Funders: U.S. Geological Survey
Topics: Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
Keywords: CO2 sequestration, silicate minerals, calcium silicate, iron silicate minerals, magnesium silicate, carbonate formation, carbonation kinetics, coal-fired power plant emissions, CO2 capture
MeSH terms: Air Pollutants, Carbon Dioxide, Carbonates, Evaluation Studies as Topic, Kinetics, Minerals, Silicates, Environmental Restoration and Remediation

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Ex situ aqueous mineral carbonation

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