Article experimental determination of CO2 solubility in liquid CH4 / N2 mixtures at cryogenic temperatures / Ting Gao in Industrial & engineering chemistry research, Vol. 51 N° 27 (Juillet 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9403-9408 Titre : Article experimental determination of CO2 solubility in liquid CH4 / N2 mixtures at cryogenic temperatures Type de document : texte imprimé Auteurs : Ting Gao, Auteur ; Taotao Shen, Auteur ; Wensheng Lin, Auteur Année de publication : 2012 Article en page(s) : pp. 9403-9408 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Cryogenics Solubility Carbon dioxide Résumé : Coalbed methane (CBM) is an atypical natural gas that may contain a large amount of nitrogen in addition to methane. When liquefying such CH4/N2 mixtures, knowledge of solid solubility is very important and, in particular, CO2 solubility data are essential for determining the CO2 purification index. Although experimental data for CO2 solubility in pure methane are available for various conditions, such experimental data for CH4/N2 mixtures are rare. In this paper, a solid―liquid equilibrium experimental apparatus using a static-analytic method is described. Data for CO2 solubility in pure liquid methane were obtained and their accuracy was verified by comparison with published values. Solubility of CO2 in CH4/N2 mixtures with nitrogen molar fractions of 10, 30, 50, and 70% were then measured at cryogenic temperatures between -190 and ―150 °C. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26132277 [article] Article experimental determination of CO2 solubility in liquid CH4 / N2 mixtures at cryogenic temperatures [texte imprimé] / Ting Gao, Auteur ; Taotao Shen, Auteur ; Wensheng Lin, Auteur . - 2012 . - pp. 9403-9408. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9403-9408 Mots-clés : Cryogenics Solubility Carbon dioxide Résumé : Coalbed methane (CBM) is an atypical natural gas that may contain a large amount of nitrogen in addition to methane. When liquefying such CH4/N2 mixtures, knowledge of solid solubility is very important and, in particular, CO2 solubility data are essential for determining the CO2 purification index. Although experimental data for CO2 solubility in pure methane are available for various conditions, such experimental data for CH4/N2 mixtures are rare. In this paper, a solid―liquid equilibrium experimental apparatus using a static-analytic method is described. Data for CO2 solubility in pure liquid methane were obtained and their accuracy was verified by comparison with published values. Solubility of CO2 in CH4/N2 mixtures with nitrogen molar fractions of 10, 30, 50, and 70% were then measured at cryogenic temperatures between -190 and ―150 °C. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26132277

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