A MODEL TO PREDICT PHASE EQUILIBRIUM OF CH4 AND CO2 CLATHRATE HYDRATE IN AQUEOUS ELECTROLYTE SOLUTIONS
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dc.contributor.author | Duan Z. | |
dc.contributor.author | Sun R. | |
dc.date.accessioned | 2024-09-04T09:55:38Z | |
dc.date.available | 2024-09-04T09:55:38Z | |
dc.date.issued | 2006 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=31408570 | |
dc.identifier.citation | American Mineralogist, 2006, 91, 8-9, 1346-1354 | |
dc.identifier.issn | 0003-004X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/44923 | |
dc.description.abstract | A thermodynamic model to predict phase equilibrium of methane and carbon dioxide hydrate in aqueous electrolyte solutions is presented. Using the Pitzer model to account for the variation of water activity due to electrolytes and dissolved gas in aqueous solutions, we extended the model based on ab initio molecular potential developed recently by us for the CH4-H2O and CO2-H2O binary systems to the CH4 (or CO2)-H2 O-salts system. Comparison of the model with extensive experimental data indicates that this model can accurately predict the phase equilibrium of CH4 hydrate and CO2 hydrate in various electrolyte solutions (such as aqueous NaCl, KCl, CaCl2, NaCl + KCl, NaCl + CaCl2 Solutions, and seawater) from zero to high ionic strength (about 6 m) and from low to high pressures. | |
dc.subject | CARBON DIOXIDE HYDRATE | |
dc.subject | ELECTROLYTE SOLUTION | |
dc.subject | FORMATION CONDITIONS | |
dc.subject | METHANE HYDRATE | |
dc.subject | PHASE EQUILIBRIUM | |
dc.subject | THERMODYNAMIC STABILITY | |
dc.title | A MODEL TO PREDICT PHASE EQUILIBRIUM OF CH4 AND CO2 CLATHRATE HYDRATE IN AQUEOUS ELECTROLYTE SOLUTIONS | |
dc.type | Статья | |
dc.identifier.doi | 10.2138/am.2006.2017 |
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