Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer

Bacon, Diana H.; Dai, Zhenxue; Zheng, Liange

doi:10.1016/j.egypro.2014.11.502

Title: Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer

Abstract

An important risk at CO2 storage sites is the potential for groundwater quality impacts. As part of a system to assess the potential for these impacts a geochemical scaling function has been developed, based on a detailed reactive transport model of CO2 and brine leakage into an unconfined, oxidizing carbonate aquifer. Stochastic simulations varying a number of geochemical parameters were used to generate a response surface predicting the volume of aquifer that would be impacted with respect to regulated contaminants. The brine was assumed to contain several trace metals and organic contaminants. Aquifer pH and TDS were influenced by CO2 leakage, while trace metal concentrations were most influenced by the brine concentrations rather than adsorption or desorption on calcite. Organic plume sizes were found to be strongly influenced by biodegradation.

Authors:: Bacon, Diana H.; Dai, Zhenxue; Zheng, Liange

Publication Date:: Wed Jan 01 00:00:00 EST 2014

Research Org.:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1829104

Alternate Identifier(s):: OSTI ID: 1209533

Grant/Contract Number:: AC05-76RL01830

Resource Type:: Published Article

Journal Name:: Energy Procedia (Online)

Additional Journal Information:: Journal Name: Energy Procedia (Online) Journal Volume: 63 Journal Issue: C; Journal ID: ISSN 1876-6102

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 58 GEOSCIENCES; geochemistry; limestone; trace metals; calcite adsorption; STOMP; reactive transport.

Citation Formats


                    Bacon, Diana H., Dai, Zhenxue, and Zheng, Liange. Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer.  Netherlands: N. p., 2014. 
Web.  doi:10.1016/j.egypro.2014.11.502.

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                    Bacon, Diana H., Dai, Zhenxue, & Zheng, Liange. Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer.  Netherlands.  https://doi.org/10.1016/j.egypro.2014.11.502

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                    Bacon, Diana H., Dai, Zhenxue, and Zheng, Liange. Wed .  
"Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer".  Netherlands.  https://doi.org/10.1016/j.egypro.2014.11.502.

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@article{osti_1829104,

  title        = {Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer},

  author       = {Bacon, Diana H. and Dai, Zhenxue and Zheng, Liange},

  abstractNote = {An important risk at CO2 storage sites is the potential for groundwater quality impacts. As part of a system to assess the potential for these impacts a geochemical scaling function has been developed, based on a detailed reactive transport model of CO2 and brine leakage into an unconfined, oxidizing carbonate aquifer. Stochastic simulations varying a number of geochemical parameters were used to generate a response surface predicting the volume of aquifer that would be impacted with respect to regulated contaminants. The brine was assumed to contain several trace metals and organic contaminants. Aquifer pH and TDS were influenced by CO2 leakage, while trace metal concentrations were most influenced by the brine concentrations rather than adsorption or desorption on calcite. Organic plume sizes were found to be strongly influenced by biodegradation.},

  doi          = {10.1016/j.egypro.2014.11.502},

  journal      = {Energy Procedia (Online)},

  number       = C,

  volume       = 63,

  place        = {Netherlands},

  year         = {Wed Jan 01 00:00:00 EST 2014},

  month        = {Wed Jan 01 00:00:00 EST 2014}

}

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Works referenced in this record:

STOMP Subsurface Transport Over Multiple Phases Version 1.0 Addendum: ECKEChem Equilibrium-Conservation-Kinetic Equation Chemistry and Reactive Transport
report, December 2005

White, Mark D.; McGrail, B. Peter
DOI: 10.2172/976999

A national look at carbon capture and storage—National carbon sequestration database and geographical information system (NatCarb)
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Carr, Timothy R.; Iqbal, Asif; Callaghan, Nick
Energy Procedia, Vol. 1, Issue 1
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STOMP Subsurface Transport Over Multiple Phases: STOMP-CO2 and STOMP-CO2e Guide: Version 1.0
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White, Mark D.; Bacon, Diana H.; McGrail, B. Peter
DOI: 10.2172/1059044

STOMP Subsurface Transport Over Multiple Phases, Version 4.0, User?s Guide
report, June 2006

White, Mark D.; Oostrom, Martinus
Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
DOI: 10.2172/1012530

Validation of CO2 Injection Simulations with Monitoring Well Data
journal, February 2009

Bacon, Diana H.; Sminchak, Joel R.; Gerst, Jacqueline L.
Energy Procedia, Vol. 1, Issue 1
DOI: 10.1016/j.egypro.2009.01.237

Silica in Edwards Limestone, Travis County, Texas
book, January 1959

Pittman, J. S.
Silica in Sediments
DOI: 10.2110/pec.59.01.0121

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Similar Records

Title: Geochemical Impacts of Carbon Dioxide, Brine, Trace Metal and Organic Leakage into an Unconfined, Oxidizing Limestone Aquifer

Abstract

Citation Formats

STOMP Subsurface Transport Over Multiple Phases Version 1.0 Addendum: ECKEChem Equilibrium-Conservation-Kinetic Equation Chemistry and Reactive Transport report, December 2005

A national look at carbon capture and storage—National carbon sequestration database and geographical information system (NatCarb) journal, February 2009

STOMP Subsurface Transport Over Multiple Phases: STOMP-CO2 and STOMP-CO2e Guide: Version 1.0 report, April 2012

STOMP Subsurface Transport Over Multiple Phases, Version 4.0, User?s Guide report, June 2006

Validation of CO2 Injection Simulations with Monitoring Well Data journal, February 2009

Silica in Edwards Limestone, Travis County, Texas book, January 1959

STOMP Subsurface Transport Over Multiple Phases Version 1.0 Addendum: ECKEChem Equilibrium-Conservation-Kinetic Equation Chemistry and Reactive Transport
report, December 2005

A national look at carbon capture and storage—National carbon sequestration database and geographical information system (NatCarb)
journal, February 2009

STOMP Subsurface Transport Over Multiple Phases: STOMP-CO2 and STOMP-CO2e Guide: Version 1.0
report, April 2012

STOMP Subsurface Transport Over Multiple Phases, Version 4.0, User?s Guide
report, June 2006

Validation of CO2 Injection Simulations with Monitoring Well Data
journal, February 2009

Silica in Edwards Limestone, Travis County, Texas
book, January 1959