Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions
Applying developed recently thermodynamic model of adsorption-induced deformation of microporous carbons (Kowalczyk, P.; Ciach, A.; Neimark, A. Langmuir 2008, 24, 6603), we study the deformation of carbonaceous porous materials due to adsorption of methane at 313 K andpressures up to 19 MPa. Th...
| Main Authors: | , , , |
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| Format: | Journal Article |
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American Chemical Society
2012
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| Online Access: | http://hdl.handle.net/20.500.11937/25819 |
| _version_ | 1848751813634818048 |
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| author | Kowalczyk, Piotr Furmaniak, S. Gauden, P. Terzyk, A. |
| author_facet | Kowalczyk, Piotr Furmaniak, S. Gauden, P. Terzyk, A. |
| author_sort | Kowalczyk, Piotr |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Applying developed recently thermodynamic model of adsorption-induced deformation of microporous carbons (Kowalczyk, P.; Ciach, A.; Neimark, A. Langmuir 2008, 24, 6603), we study the deformation of carbonaceous porous materials due to adsorption of methane at 313 K andpressures up to 19 MPa. The internal adsorption stress induced by adsorbed/compressed methane is very high in the smallest micropores (for instance, adsorption stress in 0.315 nm ultra-micropore reaches 1.8 GPa at 19 MPa). Model calculations show that depending on pore structure both monotonic (i.e.,expansion) and nonmonotonic (i.e., initial contraction and further expansion) methane stress-strain isotherm are theoretically predicted. Our calculations reproduce quantitatively the methane stress-strain isotherm on carbide-derived activated carbon at 313 K and experimental pressures up to 5.9 MPa. Moreover, we extrapolate methane stress-strain isotherm measured by the dilatometric method up to 19 MPa to mimic high pressure operating conditions. We predict that expansion of the studied carbon sample reaches 0.3% of volume at 19 MPa and 313 K. From our extrapolation of experimental dilatometric deformation data to high pressure conditions, we predict that the reduction of pressure from 19 to 1 MPa is accompanied by shrinkage of carbon sample by about 0.28% of volume. Comparison with recent study due to Yang et al. (Yang, K.; Lu, X.; Lin, Y.; Neimark, A. V. Energy Fuels 2010, 24, 5955-5964) shows that studied activated carbon is more resistant to adsorption stress than various coal samples. Presented study can be useful for optimization of operating conditions used in methane gas-extraction technologies. |
| first_indexed | 2025-11-14T07:58:42Z |
| format | Journal Article |
| id | curtin-20.500.11937-25819 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T07:58:42Z |
| publishDate | 2012 |
| publisher | American Chemical Society |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-258192017-09-13T15:55:38Z Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions Kowalczyk, Piotr Furmaniak, S. Gauden, P. Terzyk, A. porous carbons Applying developed recently thermodynamic model of adsorption-induced deformation of microporous carbons (Kowalczyk, P.; Ciach, A.; Neimark, A. Langmuir 2008, 24, 6603), we study the deformation of carbonaceous porous materials due to adsorption of methane at 313 K andpressures up to 19 MPa. The internal adsorption stress induced by adsorbed/compressed methane is very high in the smallest micropores (for instance, adsorption stress in 0.315 nm ultra-micropore reaches 1.8 GPa at 19 MPa). Model calculations show that depending on pore structure both monotonic (i.e.,expansion) and nonmonotonic (i.e., initial contraction and further expansion) methane stress-strain isotherm are theoretically predicted. Our calculations reproduce quantitatively the methane stress-strain isotherm on carbide-derived activated carbon at 313 K and experimental pressures up to 5.9 MPa. Moreover, we extrapolate methane stress-strain isotherm measured by the dilatometric method up to 19 MPa to mimic high pressure operating conditions. We predict that expansion of the studied carbon sample reaches 0.3% of volume at 19 MPa and 313 K. From our extrapolation of experimental dilatometric deformation data to high pressure conditions, we predict that the reduction of pressure from 19 to 1 MPa is accompanied by shrinkage of carbon sample by about 0.28% of volume. Comparison with recent study due to Yang et al. (Yang, K.; Lu, X.; Lin, Y.; Neimark, A. V. Energy Fuels 2010, 24, 5955-5964) shows that studied activated carbon is more resistant to adsorption stress than various coal samples. Presented study can be useful for optimization of operating conditions used in methane gas-extraction technologies. 2012 Journal Article http://hdl.handle.net/20.500.11937/25819 10.1021/jp209364x American Chemical Society restricted |
| spellingShingle | porous carbons Kowalczyk, Piotr Furmaniak, S. Gauden, P. Terzyk, A. Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions |
| title | Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions |
| title_full | Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions |
| title_fullStr | Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions |
| title_full_unstemmed | Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions |
| title_short | Methane-Induced Deformation of Porous Carbons: From Normal to High-Pressure Operating Conditions |
| title_sort | methane-induced deformation of porous carbons: from normal to high-pressure operating conditions |
| topic | porous carbons |
| url | http://hdl.handle.net/20.500.11937/25819 |