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Enabling hydrate-based methane storage under mild operating conditions by periodic mesoporous organosilica nanotubes

(2023) HELIYON. 9(7).
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Abstract
Biomethane is a renewable natural gas substitute produced from biogas. Storage of this sustainable energy vector in confined clathrate hydrates, encapsulated in the pores of a host material, is a highly promising avenue to improve storage capacity and energy efficiency. Herein, a new type of periodic mesoporous organosilica (PMO) nanotubes, referred to as hollow ring PMO (HR-PMO), capable of promoting methane clathrate hydrate formation under mild working conditions (273 K, 3.5 MPa) and at high water loading (5.1 g water/g HR-PMO) is reported. Gravimetric uptake measurements reveal a steep single-stepped isotherm and a noticeably high methane storage capacity (0.55 g methane/g HR-PMO; 0.11 g methane/g water at 3.5 MPa). The large working capacity throughout consecutive pressure-induced clathrate hydrate formationdissociation cycles demonstrates the material's excellent recyclability (97% preservation of capacity). Supported by ex situ cryo-electron tomography and x-ray diffraction, HR-PMO nanotubes are hypothesized to promote clathrate hydrate nucleation and growth by distribution and confinement of water in the mesopores of their outer wall, along the central channels of the nanotubes and on the external nanotube surface. These findings showcase the potential for application of organosilica materials with hierarchical and interconnected pore systems for pressure-based storage of biomethane in confined clathrate hydrates.
Keywords
Multidisciplinary, Biomethane, Clathrate hydrate, Methane hydrate, Periodic mesoporous organosilica, Pressure-swing (un)loading, GAS-STORAGE, POROUS-MEDIA, ACTIVATED CARBON, SILICA-GELS, DRY WATER, DISSOCIATION, NUCLEATION, EQUILIBRIUM, ADSORPTION, PARTICLES

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MLA
Beckwée, Emile Jules, et al. “Enabling Hydrate-Based Methane Storage under Mild Operating Conditions by Periodic Mesoporous Organosilica Nanotubes.” HELIYON, vol. 9, no. 7, 2023, doi:10.1016/j.heliyon.2023.e17662.
APA
Beckwée, E. J., Watson, G., Houlleberghs, M., Arenas Esteban, D., Bals, S., Van Der Voort, P., … Denayer, J. F. M. (2023). Enabling hydrate-based methane storage under mild operating conditions by periodic mesoporous organosilica nanotubes. HELIYON, 9(7). https://doi.org/10.1016/j.heliyon.2023.e17662
Chicago author-date
Beckwée, Emile Jules, Geert Watson, Maarten Houlleberghs, Daniel Arenas Esteban, Sara Bals, Pascal Van Der Voort, Eric Breynaert, Johan Martens, Gino V. Baron, and Joeri F.M. Denayer. 2023. “Enabling Hydrate-Based Methane Storage under Mild Operating Conditions by Periodic Mesoporous Organosilica Nanotubes.” HELIYON 9 (7). https://doi.org/10.1016/j.heliyon.2023.e17662.
Chicago author-date (all authors)
Beckwée, Emile Jules, Geert Watson, Maarten Houlleberghs, Daniel Arenas Esteban, Sara Bals, Pascal Van Der Voort, Eric Breynaert, Johan Martens, Gino V. Baron, and Joeri F.M. Denayer. 2023. “Enabling Hydrate-Based Methane Storage under Mild Operating Conditions by Periodic Mesoporous Organosilica Nanotubes.” HELIYON 9 (7). doi:10.1016/j.heliyon.2023.e17662.
Vancouver
1.
Beckwée EJ, Watson G, Houlleberghs M, Arenas Esteban D, Bals S, Van Der Voort P, et al. Enabling hydrate-based methane storage under mild operating conditions by periodic mesoporous organosilica nanotubes. HELIYON. 2023;9(7).
IEEE
[1]
E. J. Beckwée et al., “Enabling hydrate-based methane storage under mild operating conditions by periodic mesoporous organosilica nanotubes,” HELIYON, vol. 9, no. 7, 2023.
@article{01H73BBVQMHMNKXZBAJ484V960,
  abstract     = {{Biomethane is a renewable natural gas substitute produced from biogas. Storage of this sustainable energy vector in confined clathrate hydrates, encapsulated in the pores of a host material, is a highly promising avenue to improve storage capacity and energy efficiency. Herein, a new type of periodic mesoporous organosilica (PMO) nanotubes, referred to as hollow ring PMO (HR-PMO), capable of promoting methane clathrate hydrate formation under mild working conditions (273 K, 3.5 MPa) and at high water loading (5.1 g water/g HR-PMO) is reported. Gravimetric uptake measurements reveal a steep single-stepped isotherm and a noticeably high methane storage capacity (0.55 g methane/g HR-PMO; 0.11 g methane/g water at 3.5 MPa). The large working capacity throughout consecutive pressure-induced clathrate hydrate formationdissociation cycles demonstrates the material's excellent recyclability (97% preservation of capacity). Supported by ex situ cryo-electron tomography and x-ray diffraction, HR-PMO nanotubes are hypothesized to promote clathrate hydrate nucleation and growth by distribution and confinement of water in the mesopores of their outer wall, along the central channels of the nanotubes and on the external nanotube surface. These findings showcase the potential for application of organosilica materials with hierarchical and interconnected pore systems for pressure-based storage of biomethane in confined clathrate hydrates.}},
  articleno    = {{e17662}},
  author       = {{Beckwée, Emile Jules and Watson, Geert and Houlleberghs, Maarten and Arenas Esteban, Daniel and Bals, Sara and Van Der Voort, Pascal and Breynaert, Eric and Martens, Johan and Baron, Gino V. and Denayer, Joeri F.M.}},
  issn         = {{2405-8440}},
  journal      = {{HELIYON}},
  keywords     = {{Multidisciplinary,Biomethane,Clathrate hydrate,Methane hydrate,Periodic mesoporous organosilica,Pressure-swing (un)loading,GAS-STORAGE,POROUS-MEDIA,ACTIVATED CARBON,SILICA-GELS,DRY WATER,DISSOCIATION,NUCLEATION,EQUILIBRIUM,ADSORPTION,PARTICLES}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{14}},
  title        = {{Enabling hydrate-based methane storage under mild operating conditions by periodic mesoporous organosilica nanotubes}},
  url          = {{http://doi.org/10.1016/j.heliyon.2023.e17662}},
  volume       = {{9}},
  year         = {{2023}},
}

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