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Title: Quantification of dissolved metals in high-pressure CO2-water solutions by underwater laser-induced breakdown spectroscopy

Abstract

Underwater laser-induced breakdown spectroscopy has been employed for the measurement of dissolved metals (Mg, Ca, Sr, Ba and Mn) in high-pressure CO2-water solutions. The CO2 pressure was varied over the range from 10 to 400 bars and the concentrations of Mg, Ca, Sr, Ba and Mn were determined by spectral analysis and establishing the calibration curves. Limit of detection (LOD) for Mg, Ca, Sr, Ba, and Mn at 10 bars were found to be 31.7 ppm, 2.5 ppm, 3.3 ppm, 4.4 ppm, and 10.5 ppm, respectively. The LOD for Mg, Ca, Sr, and Ba were unaffected by the pressure however, a 2-fold decrease in LOD of Mn was observed with an increasing pressure from 10 to 400 bars. The results demonstrate that low-ppm range concentrations of Mg, Ca, Sr, Ba and Mn can be precisely measured in CO2-charged water at varied pressure conditions by using underwater LIBS. The study has implications in monitoring of CO2 leak in carbon sequestration.

Authors:
 [1];  [1];  [2];  [1];  [1]
+ Show Author Affiliations
  1. National Energy Technology Lab. (NETL), Pittsburgh, PA (United States)
  2. National Energy Technology Lab. (NETL), Pittsburgh, PA (United States); AECOM Technology Corporation, Pittsburgh, PA (United States)
Publication Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
Sponsoring Org.:
USDOE Office of Fossil Energy (FE)
OSTI Identifier:
1467018
Resource Type:
Accepted Manuscript
Journal Name:
Optics and Laser Technology
Additional Journal Information:
Journal Volume: 108; Journal Issue: C; Journal ID: ISSN 0030-3992
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; Metals at high pressure; Underwater laser-induced breakdown spectroscopy; LIBS

Citation Formats

Goueguel, Christian L., Bhatt, Chet R., Jain, Jinesh, Lopano, Christina L., and McIntyre, Dustin L. Quantification of dissolved metals in high-pressure CO2-water solutions by underwater laser-induced breakdown spectroscopy. United States: N. p., 2018. Web. doi:10.1016/j.optlastec.2018.06.048.
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Goueguel, Christian L., Bhatt, Chet R., Jain, Jinesh, Lopano, Christina L., & McIntyre, Dustin L. Quantification of dissolved metals in high-pressure CO2-water solutions by underwater laser-induced breakdown spectroscopy. United States. https://doi.org/10.1016/j.optlastec.2018.06.048
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Goueguel, Christian L., Bhatt, Chet R., Jain, Jinesh, Lopano, Christina L., and McIntyre, Dustin L. Tue . "Quantification of dissolved metals in high-pressure CO2-water solutions by underwater laser-induced breakdown spectroscopy". United States. https://doi.org/10.1016/j.optlastec.2018.06.048. https://www.osti.gov/servlets/purl/1467018.
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@article{osti_1467018,
title = {Quantification of dissolved metals in high-pressure CO2-water solutions by underwater laser-induced breakdown spectroscopy},
author = {Goueguel, Christian L. and Bhatt, Chet R. and Jain, Jinesh and Lopano, Christina L. and McIntyre, Dustin L.},
abstractNote = {Underwater laser-induced breakdown spectroscopy has been employed for the measurement of dissolved metals (Mg, Ca, Sr, Ba and Mn) in high-pressure CO2-water solutions. The CO2 pressure was varied over the range from 10 to 400 bars and the concentrations of Mg, Ca, Sr, Ba and Mn were determined by spectral analysis and establishing the calibration curves. Limit of detection (LOD) for Mg, Ca, Sr, Ba, and Mn at 10 bars were found to be 31.7 ppm, 2.5 ppm, 3.3 ppm, 4.4 ppm, and 10.5 ppm, respectively. The LOD for Mg, Ca, Sr, and Ba were unaffected by the pressure however, a 2-fold decrease in LOD of Mn was observed with an increasing pressure from 10 to 400 bars. The results demonstrate that low-ppm range concentrations of Mg, Ca, Sr, Ba and Mn can be precisely measured in CO2-charged water at varied pressure conditions by using underwater LIBS. The study has implications in monitoring of CO2 leak in carbon sequestration.},
doi = {10.1016/j.optlastec.2018.06.048},
journal = {Optics and Laser Technology},
number = C,
volume = 108,
place = {United States},
year = {Tue Jul 03 00:00:00 EDT 2018},
month = {Tue Jul 03 00:00:00 EDT 2018}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.optlastec.2018.06.048
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Works referenced in this record:

Matrix effect of sodium compounds on the determination of metal ions in aqueous solutions by underwater laser-induced breakdown spectroscopy
journal, January 2015

  • Goueguel, Christian; McIntyre, Dustin L.; Jain, Jinesh
  • Applied Optics, Vol. 54, Issue 19
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On leakage and seepage of CO2 from geologic storage sites into surface water
journal, April 2006

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