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Measurement of Solubility of CO 2 in NaCl, CaCl 2 , MgCl 2 and MgCl 2 + CaCl 2 Brines at Temperatures from 298 to 373 K and Pressures up to 20 MPa Using the Potentiometric Titration Method

Author

Listed:
  • Bo Liu

    (Key Laboratory of Continental Shale Hydrocarbon Accumulation and Efficient Development, Ministry of Education, Northeast Petroleum University, Daqing 163318, China)

  • Barham Sabir Mahmood

    (Department of Petroleum, Faculty of Engineering, Koya University, Koya KOY45, Kurdistan Region—F.R., Iraq)

  • Erfan Mohammadian

    (Key Laboratory of Continental Shale Hydrocarbon Accumulation and Efficient Development, Ministry of Education, Northeast Petroleum University, Daqing 163318, China
    Department of Petroleum and Natural Gas Engineering, Cyprus International University, Via Mersin 10, Haspolat-Nicosia 99258, Turkish Republic of Northern Cyprus, Turkey)

  • Abbas Khaksar Manshad

    (Department of Petroleum Engineering, Abadan Faculty of Petroleum Engineering, Petroleum University of Technology (PUT), Abadan, Iran)

  • Nor Roslina Rosli

    (School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia)

  • Mehdi Ostadhassan

    (Key Laboratory of Continental Shale Hydrocarbon Accumulation and Efficient Development, Ministry of Education, Northeast Petroleum University, Daqing 163318, China)

Abstract

Understanding the carbon dioxide (CO 2 ) solubility in formation brines is of great importance to several industrial applications, including CO 2 sequestration and some CO 2 capture technologies, as well as CO 2 -based enhanced hydrocarbon recovery methods. Despite years of study, there are few literature data on CO 2 solubility for the low salinity range. Thus, in this study, the solubility of CO 2 in distilled water and aqueous ionic solutions of NaCl, MgCl 2 , CaCl 2 and MgCl 2 + CaCl 2 were obtained in a low salinity range (0–15,000 ppm) at temperatures from 298–373 K and pressures up to 20 MPa using an accurate and unconventional method called potentiometric titration. An experimental data set of 553 data points was collected using this method. The results of the experiments demonstrate that increasing pressure increases the solubility of CO 2 in various brines, whereas increasing temperature and salinity reduces the solubility. The role of different ions in changing the solubility is elaborated through a detailed discussion on the salting-out effect of different ionic solutions. To verify the experimental results of this research, the solubility points obtained by the potentiometric titration method were compared to some of the well-established experimental and analytical data from the literature and a very good agreement with those was obtained.

Suggested Citation

  • Bo Liu & Barham Sabir Mahmood & Erfan Mohammadian & Abbas Khaksar Manshad & Nor Roslina Rosli & Mehdi Ostadhassan, 2021. "Measurement of Solubility of CO 2 in NaCl, CaCl 2 , MgCl 2 and MgCl 2 + CaCl 2 Brines at Temperatures from 298 to 373 K and Pressures up to 20 MPa Using the Potentiometric Titration Method," Energies, MDPI, vol. 14(21), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:21:p:7222-:d:670712
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    Cited by:

    1. Zhou, Xianmin & Wu, Yu-Shu & Chen, Hao & Elsayed, Mahmoud & Yu, Wei & Zhao, Xinrui & Murtaza, Mobeen & Shahzad Kamal, Muhammad & Zafar Khan, Sarmad & Al-Abdrabalnabi, Ridha & Ren, Bo, 2024. "Review of Carbon dioxide utilization and sequestration in depleted oil reservoirs," Renewable and Sustainable Energy Reviews, Elsevier, vol. 202(C).
    2. Promise O. Longe & David Kwaku Danso & Gideon Gyamfi & Jyun Syung Tsau & Mubarak M. Alhajeri & Mojdeh Rasoulzadeh & Xiaoli Li & Reza Ghahfarokhi Barati, 2024. "Predicting CO 2 and H 2 Solubility in Pure Water and Various Aqueous Systems: Implication for CO 2 –EOR, Carbon Capture and Sequestration, Natural Hydrogen Production and Underground Hydrogen Storage," Energies, MDPI, vol. 17(22), pages 1-48, November.

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