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An Accurate Model for Estimating H 2 Solubility in Pure Water and Aqueous NaCl Solutions

Author

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  • Zhiwei Zhu

    (Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China)

  • Yuncheng Cao

    (Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China)

  • Zihan Zheng

    (Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China)

  • Duofu Chen

    (Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China)

Abstract

By employing a specific particle interaction theory and a high-precision equation of states for the liquid and vapor phases of H 2 , respectively, a new H 2 solubility model in pure water and aqueous NaCl solutions is proposed in this study. The model established by fitting the experimental data of H 2 solubility can be used to estimate H 2 solubility in pure water at temperatures and pressures of 273.15–423.15 K and 0–1100 bar, respectively, and in salt solutions (NaCl concentration = 0–5 mol/kg) at temperatures and pressures of 273.15–373.15 K and 0–230 bar, respectively. By adopting the theory of liquid electrolyte solutions, the model can also be used to predict H 2 solubility in seawater without fitting the experimental data of a seawater system. Within or close to experimental data uncertainty, the mean absolute percentage error between the model-predicted and experimentally obtained H 2 solubilities was less than 1.14%.

Suggested Citation

  • Zhiwei Zhu & Yuncheng Cao & Zihan Zheng & Duofu Chen, 2022. "An Accurate Model for Estimating H 2 Solubility in Pure Water and Aqueous NaCl Solutions," Energies, MDPI, vol. 15(14), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:5021-:d:859088
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    References listed on IDEAS

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    1. Jillian M. Petersen & Frank U. Zielinski & Thomas Pape & Richard Seifert & Cristina Moraru & Rudolf Amann & Stephane Hourdez & Peter R. Girguis & Scott D. Wankel & Valerie Barbe & Eric Pelletier & Den, 2011. "Hydrogen is an energy source for hydrothermal vent symbioses," Nature, Nature, vol. 476(7359), pages 176-180, August.
    2. Jeffrey S. Seewald, 2003. "Organic–inorganic interactions in petroleum-producing sedimentary basins," Nature, Nature, vol. 426(6964), pages 327-333, November.
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