The Solubility of Carbon Dioxide in Water at Low Pressure

Carroll, John J.; Slupsky, John D.; Mather, Alan E.

doi:10.1063/1.555900

Cited by 540 publications

(373 citation statements)

References 11 publications

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“…The addition of a constant term to the equation improved the fit to an accuracy of 0.0064 ln units, well within the accuracy of either equation of Carroll. 33 The constant term was statistically highly significant. The equation is…”

Section: Thermodynamic Datamentioning

confidence: 92%

“…Solubility of CO 2 . Critical reviews of the solubility of CO 2 have been made by Crovetto 32 and by Carroll et al 33 Compilations are available from Scharlin et al 34 De Visscher and Vanderdeelen 18 found that the evaluation of Crovetto 32 at 0-80 C is more consistent with the thermodynamic data of CODATA 35 than the evaluation of Carroll et al 33 Thermodynamic properties derived from different models are given in Table 1. A more recent review of CO 2 solubility data is by Fernández-Prini et al 36 However, their correlation has poor consistency with CODATA.…”

Section: Thermodynamic Datamentioning

confidence: 99%

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IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 1. Introduction, Be and Mg

Visscher

Vanderdeelen

Königsberger

et al. 2012

Journal of Physical and Chemical Reference Data

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The alkaline earth carbonates are an important class of minerals. This volume compiles and critically evaluates solubility data of the alkaline earth carbonates in water and in simple aqueous electrolyte solutions. Part 1, the present paper, outlines the procedure adopted in this volume in detail, and presents the beryllium and magnesium carbonates. For the minerals magnesite (MgCO 3 ), nesquehonite (MgCO 3 Á3H 2 O), and lansfordite (MgCO 3 Á5H 2 O), a critical evaluation is presented based on curve fits to empirical and=or thermodynamic models. Useful side products of the compilation and evaluation of the data outlined in the introduction are new relationships for the Henry constant of CO 2 with Sechenov parameters, and for various equilibria in the aqueous phase including the dissociation constants of CO 2 (aq) and the stability constant of the ion pair MCO 0 3 ðaqÞ (M ¼ alkaline earth metal). Thermodynamic data of the alkaline earth carbonates consistent with two thermodynamic model variants are proposed. The model variant that describes the Mg 2þ ÀHCO À 3 ion interaction with Pitzer parameters was more consistent with the solubility data and with other thermodynamic data than the model variant that described the interaction with a stability constant.

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Section: Thermodynamic Datamentioning

confidence: 92%

Section: Thermodynamic Datamentioning

confidence: 99%

IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 1. Introduction, Be and Mg

Visscher

Vanderdeelen

Königsberger

et al. 2012

Journal of Physical and Chemical Reference Data

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show abstract

“…Firstly, temperature is a strong control on both interfacial tension and contact angle [16][17][18] . Moreover, the solubility of both scCO 2 and carbonate rock in brine is also highly temperature dependent 28 . Solubility control is critical, as when scCO 2 is injected into a saline carbonate aquifer it will dissolve into the resident brine, forming a highly reactive carbonic acid, which will in turn start to dissolve any calcite present.…”

Section: Introductionmentioning

confidence: 99%

Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography

Andrew

Bijeljic

Blunt

2015

JoVE

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X-ray microtomography was used to image, at a resolution of 6.6 µm, the pore-scale arrangement of residual carbon dioxide ganglia in the pore-space of a carbonate rock at pressures and temperatures representative of typical formations used for CO 2 storage. Chemical equilibrium between the CO 2 , brine and rock phases was maintained using a high pressure high temperature reactor, replicating conditions far away from the injection site. Fluid flow was controlled using high pressure high temperature syringe pumps. To maintain representative in-situ conditions within the micro-CT scanner a carbon fiber high pressure micro-CT coreholder was used. Diffusive CO 2 exchange across the confining sleeve from the pore-space of the rock to the confining fluid was prevented by surrounding the core with a triple wrap of aluminum foil. Reconstructed brine contrast was modeled using a polychromatic x-ray source, and brine composition was chosen to maximize the three phase contrast between the two fluids and the rock. Flexible flow lines were used to reduce forces on the sample during image acquisition, potentially causing unwanted sample motion, a major shortcoming in previous techniques. An internal thermocouple, placed directly adjacent to the rock core, coupled with an external flexible heating wrap and a PID controller was used to maintain a constant temperature within the flow cell. Substantial amounts of CO 2 were trapped, with a residual saturation of 0.203 ± 0.013, and the sizes of larger volume ganglia obey power law distributions, consistent with percolation theory.

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“…The solubility of CaCO 3 is dependent on the partial pressure of CO 2 and solution temperature. No experimental data is available for CO 2 solubility at 100 • C; however, a modeling study reported that at a pressure of 0.06 MPa (0.6 bar), the solubility of CO 2 at 80 • C is only 0.003 mol% [23]. Thus, in this current study under boiling seawater temperature and atmospheric pressure, the deposition of CaCO 3 is highly unlikely due to the negligible dissolved CO 2 content.…”

Section: Discussionmentioning

confidence: 68%

Thermally Sprayed Aluminum Coatings for the Protection of Subsea Risers and Pipelines Carrying Hot Fluids

Cé

Paul

2016

Coatings

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This paper reports the effect of boiling synthetic seawater on the performance of damaged Thermally Sprayed Aluminum (TSA) on carbon steel. Small defects (4% of the sample's geometric surface area) were drilled, exposing the steel, and the performance of the coating was analyzed for corrosion potential for different exposure times (2 h, 335 h, and 5000 h). The samples were monitored using linear polarization resistance (LPR) in order to obtain their corrosion rate. Scanning electron microscopy (SEM)/energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD) were used for post-test characterization. The results showed that a protective layer of Mg(OH) 2 formed in the damaged area, which protected the underlying steel. Additionally, no coating detachment from the steel near the defect region was observed. The corrosion rate was found to be 0.010-0.015 mm/year after 5000 h in boiling synthetic seawater.

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The Solubility of Carbon Dioxide in Water at Low Pressure

Cited by 540 publications

References 11 publications

IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 1. Introduction, Be and Mg

IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 1. Introduction, Be and Mg

Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography

Thermally Sprayed Aluminum Coatings for the Protection of Subsea Risers and Pipelines Carrying Hot Fluids

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