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Kinetics of the Formation and Dissociation of Gas Hydrates from CO 2 -CH 4 Mixtures

Author

Listed:
  • Kristine Horvat

    (Materials Science and Engineering Department, Stony Brook University, Stony Brook, New York, NY 11794, USA)

  • Prasad Kerkar

    (Materials Science and Engineering Department, Stony Brook University, Stony Brook, New York, NY 11794, USA)

  • Keith Jones

    (Materials Science and Engineering Department, Stony Brook University, Stony Brook, New York, NY 11794, USA)

  • Devinder Mahajan

    (Materials Science and Engineering Department, Stony Brook University, Stony Brook, New York, NY 11794, USA
    Sustainable Energy Technologies Department, Brookhaven National Laboratory, Upton, New York, NY 11973-5000, USA)

Abstract

Sequestration of carbon dioxide (CO 2 ) in the form of its hydrates in natural methane (CH 4 ) hydrate reservoirs, via CO 2 /CH 4 exchange, is an attractive pathway that also yields valuable CH 4 gas as product. In this paper, we describe a macroscale experiment to form CO 2 and CH 4 -CO 2 hydrates, under seafloor-mimic conditions, in a vessel fitted with glass windows that provides visualization of hydrates throughout formation and dissociation processes. Time resolved pressure and temperature data as well as images of hydrates are presented. Quantitative gas conversions with pure CO 2 , calculated from gas chromatographic measurements yielded values that range from 23 – 59% that correspond to the extent of formed hydrates. In CH 4 -rich CH 4 -CO 2 mixed gas systems, CH 4 hydrates were found to form preferentially.

Suggested Citation

  • Kristine Horvat & Prasad Kerkar & Keith Jones & Devinder Mahajan, 2012. "Kinetics of the Formation and Dissociation of Gas Hydrates from CO 2 -CH 4 Mixtures," Energies, MDPI, vol. 5(7), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:7:p:2248-2262:d:18734
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    Citations

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    Cited by:

    1. Steven Constable & Laura A. Stern, 2022. "Monitoring Offshore CO 2 Sequestration Using Marine CSEM Methods; Constraints Inferred from Field- and Laboratory-Based Gas Hydrate Studies," Energies, MDPI, vol. 15(19), pages 1-16, October.
    2. Zhang, Kai & Lau, Hon Chung, 2022. "Sequestering CO2 as CO2 hydrate in an offshore saline aquifer by reservoir pressure management," Energy, Elsevier, vol. 239(PC).
    3. Marat K. Khasanov & Guzal R. Rafikova & Nail G. Musakaev, 2020. "Mathematical Model of Carbon Dioxide Injection into a Porous Reservoir Saturated with Methane and Its Gas Hydrate," Energies, MDPI, vol. 13(2), pages 1-17, January.

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