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Détail de l'auteur
Auteur Amir H. Mohammadi
Documents disponibles écrits par cet auteur
Affiner la rechercheA mathematical model based on artificial neural network technique for estimating liquid water-hydrate equilibrium of water-hydrocarbon system / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 47 n°14 (Juillet 2008)
[article]
in Industrial & engineering chemistry research > Vol. 47 n°14 (Juillet 2008) . - p. 4966–4970
Titre : A mathematical model based on artificial neural network technique for estimating liquid water-hydrate equilibrium of water-hydrocarbon system Type de document : texte imprimé Auteurs : Amir H. Mohammadi, Auteur ; Richon, Dominique, Auteur Année de publication : 2008 Article en page(s) : p. 4966–4970 Note générale : Bibliogr. p. 4970 Langues : Anglais (eng) Mots-clés : Artificial neural network technique; Hydrocarbon hydrate -- solubility Résumé : A mathematical model based on feed-forward artificial neural network technique, which uses a modified Levenberg−Marquardt optimization algorithm, has been developed to estimate the solubility of a pure hydrocarbon hydrate former in pure water being in equilibrium with gas hydrates. More recent and reliable data for three hydrocarbon hydrate formers (methane, ethane, and propane) have been used to train and develop this model. Independent experimental data (not employed in training and testing) have been used to examine the reliability of this technique. The acceptable agreement between the predicted and experimental data demonstrates the capability of the neural network model for estimating the solubility of pure hydrocarbon hydrate formers in pure water being in equilibrium with gas hydrates. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800235m [article] A mathematical model based on artificial neural network technique for estimating liquid water-hydrate equilibrium of water-hydrocarbon system [texte imprimé] / Amir H. Mohammadi, Auteur ; Richon, Dominique, Auteur . - 2008 . - p. 4966–4970.
Bibliogr. p. 4970
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 47 n°14 (Juillet 2008) . - p. 4966–4970
Mots-clés : Artificial neural network technique; Hydrocarbon hydrate -- solubility Résumé : A mathematical model based on feed-forward artificial neural network technique, which uses a modified Levenberg−Marquardt optimization algorithm, has been developed to estimate the solubility of a pure hydrocarbon hydrate former in pure water being in equilibrium with gas hydrates. More recent and reliable data for three hydrocarbon hydrate formers (methane, ethane, and propane) have been used to train and develop this model. Independent experimental data (not employed in training and testing) have been used to examine the reliability of this technique. The acceptable agreement between the predicted and experimental data demonstrates the capability of the neural network model for estimating the solubility of pure hydrocarbon hydrate formers in pure water being in equilibrium with gas hydrates. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800235m Monodisperse thermodynamic model based on chemical + flory – huggins polymer solution theories for predicting asphaltene precipitation / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 51 N° 10 (Mars 2012)
[article]
in Industrial & engineering chemistry research > Vol. 51 N° 10 (Mars 2012) . - pp. 4041–4055
Titre : Monodisperse thermodynamic model based on chemical + flory – huggins polymer solution theories for predicting asphaltene precipitation Type de document : texte imprimé Auteurs : Amir H. Mohammadi, Auteur ; Ali Eslamimanesh, Auteur ; Richon, Dominique, Auteur Année de publication : 2012 Article en page(s) : pp. 4041–4055 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Thermodynamic Polymer Résumé : Asphaltene precipitation is traditionally modeled using the Flory–Hüggins polymer solution theory. The existing thermodynamic models, generally, do not take into account the aggregation/association phenomena in the system. This work aims at providing a monodisperse thermodynamic model for estimating asphaltene precipitation by taking into account the aforementioned phenomena. The chemical theory of associated solutions with physical interactions along with the Flory–Hüggins polymer solution theory is applied to develop this model. The results of this method are compared with some selected experimental data from the literature. It is shown that taking into account the aggregation/association phenomena in the system can lead to better predictions of the model. Moreover, it is shown that this method simplifies to the existing activity coefficient based models when ignoring the association. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie202737p#cor1 [article] Monodisperse thermodynamic model based on chemical + flory – huggins polymer solution theories for predicting asphaltene precipitation [texte imprimé] / Amir H. Mohammadi, Auteur ; Ali Eslamimanesh, Auteur ; Richon, Dominique, Auteur . - 2012 . - pp. 4041–4055.
Chimie industrielle
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 51 N° 10 (Mars 2012) . - pp. 4041–4055
Mots-clés : Thermodynamic Polymer Résumé : Asphaltene precipitation is traditionally modeled using the Flory–Hüggins polymer solution theory. The existing thermodynamic models, generally, do not take into account the aggregation/association phenomena in the system. This work aims at providing a monodisperse thermodynamic model for estimating asphaltene precipitation by taking into account the aforementioned phenomena. The chemical theory of associated solutions with physical interactions along with the Flory–Hüggins polymer solution theory is applied to develop this model. The results of this method are compared with some selected experimental data from the literature. It is shown that taking into account the aggregation/association phenomena in the system can lead to better predictions of the model. Moreover, it is shown that this method simplifies to the existing activity coefficient based models when ignoring the association. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie202737p#cor1 Phase behavior modeling of alkyl amine + hydrocarbon and alkyl amine + alcohol systems using a group contribution associating equation of state / Francisco A. Sanchez in Industrial & engineering chemistry research, Vol. 48 N° 16 (Août 2009)
[article]
in Industrial & engineering chemistry research > Vol. 48 N° 16 (Août 2009) . - pp. 7705–7712
Titre : Phase behavior modeling of alkyl amine + hydrocarbon and alkyl amine + alcohol systems using a group contribution associating equation of state Type de document : texte imprimé Auteurs : Francisco A. Sanchez, Auteur ; Amir H. Mohammadi, Auteur ; Alfonsina Andreatta, Auteur Année de publication : 2009 Article en page(s) : pp. 7705–7712 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Alkyl amine + hydrocarbon systemAlkyl amine + alcohol system State namely GCA-EoS Résumé : In this work, a group contribution-associating equation of state namely GCA-EoS, is extended to model the phase behavior of alkyl amine + hydrocarbon and alkyl amine + alcohol systems while considering the association of functional groups. A generalized routine has been implemented to quantify the association effects through functional groups with associating sites. The predictions of the model are found in good agreement with experimental data reported in the literature. The model parameters were estimated in the temperature range 218−428 K and pressures up to 735 kPa. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie802004v [article] Phase behavior modeling of alkyl amine + hydrocarbon and alkyl amine + alcohol systems using a group contribution associating equation of state [texte imprimé] / Francisco A. Sanchez, Auteur ; Amir H. Mohammadi, Auteur ; Alfonsina Andreatta, Auteur . - 2009 . - pp. 7705–7712.
Chemical engineering
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 48 N° 16 (Août 2009) . - pp. 7705–7712
Mots-clés : Alkyl amine + hydrocarbon systemAlkyl amine + alcohol system State namely GCA-EoS Résumé : In this work, a group contribution-associating equation of state namely GCA-EoS, is extended to model the phase behavior of alkyl amine + hydrocarbon and alkyl amine + alcohol systems while considering the association of functional groups. A generalized routine has been implemented to quantify the association effects through functional groups with associating sites. The predictions of the model are found in good agreement with experimental data reported in the literature. The model parameters were estimated in the temperature range 218−428 K and pressures up to 735 kPa. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie802004v Phase equilibria of clathrate hydrates of cyclopentane + hydrogen sulfide and cyclopentane + methane / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 48 N° 19 (Octobre 2009)
[article]
in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 9045–9048
Titre : Phase equilibria of clathrate hydrates of cyclopentane + hydrogen sulfide and cyclopentane + methane Type de document : texte imprimé Auteurs : Amir H. Mohammadi, Auteur ; Richon, Dominique, Auteur Année de publication : 2009 Article en page(s) : pp. 9045–9048 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Hydrogen sulfide Cyclopentane Water Methane Isochoric pressure-search method Résumé : In this work, experimental hydrate dissociation data for the hydrogen sulfide + cyclopentane + water and methane + cyclopentane + water systems are reported in the temperature ranges of 295.4−310.0 K and 284.8−299.3 K, respectively. The experimental data were generated using an isochoric pressure-search method. The hydrate dissociation data for the methane + cyclopentane + water system are compared with some selected experimental data from the literature, and the acceptable agreement demonstrates the reliability of the experimental method used in our work. The experimental data for both measured systems are finally compared with the corresponding literature data in the absence of cyclopentane to study its hydrate promotion effects. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900376p [article] Phase equilibria of clathrate hydrates of cyclopentane + hydrogen sulfide and cyclopentane + methane [texte imprimé] / Amir H. Mohammadi, Auteur ; Richon, Dominique, Auteur . - 2009 . - pp. 9045–9048.
Chemical engineering
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 9045–9048
Mots-clés : Hydrogen sulfide Cyclopentane Water Methane Isochoric pressure-search method Résumé : In this work, experimental hydrate dissociation data for the hydrogen sulfide + cyclopentane + water and methane + cyclopentane + water systems are reported in the temperature ranges of 295.4−310.0 K and 284.8−299.3 K, respectively. The experimental data were generated using an isochoric pressure-search method. The hydrate dissociation data for the methane + cyclopentane + water system are compared with some selected experimental data from the literature, and the acceptable agreement demonstrates the reliability of the experimental method used in our work. The experimental data for both measured systems are finally compared with the corresponding literature data in the absence of cyclopentane to study its hydrate promotion effects. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900376p Phase equilibria of clathrate hydrates of methane + n - propyl mercaptan or n - butyl mercaptan + water system / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 51 N° 9 (Mars 2012)
[article]
in Industrial & engineering chemistry research > Vol. 51 N° 9 (Mars 2012) . - pp. 3841-3843
Titre : Phase equilibria of clathrate hydrates of methane + n - propyl mercaptan or n - butyl mercaptan + water system Type de document : texte imprimé Auteurs : Amir H. Mohammadi, Auteur ; Richon, Dominique, Auteur Année de publication : 2012 Article en page(s) : pp. 3841-3843 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Clathrate Phase equilibrium Résumé : In this work, we report dissociation pressures for clathrate hydrates of the methane + n-propyl mercaptan + water and methane + n-butyl mercaptan + water systems in the temperature ranges of 282.3-289.9 K and 279.4―287.4 K, respectively. The experimental data were measured using an isochoric pressure search method. The hydrate dissociation data for both measured systems are compared with some selected literature data for the dissociation conditions of methane clathrate hydrates. It is shown that n-propyl mercaptan has a thermodynamic promotion effect on methane clathrate hydrates while n-butyl mercaptan has a negligible effect. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25595815 [article] Phase equilibria of clathrate hydrates of methane + n - propyl mercaptan or n - butyl mercaptan + water system [texte imprimé] / Amir H. Mohammadi, Auteur ; Richon, Dominique, Auteur . - 2012 . - pp. 3841-3843.
Chimie industrielle
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 51 N° 9 (Mars 2012) . - pp. 3841-3843
Mots-clés : Clathrate Phase equilibrium Résumé : In this work, we report dissociation pressures for clathrate hydrates of the methane + n-propyl mercaptan + water and methane + n-butyl mercaptan + water systems in the temperature ranges of 282.3-289.9 K and 279.4―287.4 K, respectively. The experimental data were measured using an isochoric pressure search method. The hydrate dissociation data for both measured systems are compared with some selected literature data for the dissociation conditions of methane clathrate hydrates. It is shown that n-propyl mercaptan has a thermodynamic promotion effect on methane clathrate hydrates while n-butyl mercaptan has a negligible effect. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25595815 Phase equilibria of clathrate hydrates of tetrahydrofuran + hydrogen sulfide and tetrahydrofuran + methane / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 48 N° 16 (Août 2009)
PermalinkPhase equilibria of hydrogen sulfide clathrate hydrates in the presence of methanol, ethanol, NaCl, KCl, or CaCl2 aqueous solutions / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 48 N° 16 (Août 2009)
PermalinkPhase equilibria of methane hydrates in the presence of methanol and/or ethylene glycol aqueous solutions / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 49 N° 2 (Janvier 2010)
PermalinkPhase equilibrium modeling of structure H clathrate hydrates of methane + water “insoluble” hydrocarbon promoter using group contribution - support vector machine technique / Ali Eslamimanesh in Industrial & engineering chemistry research, Vol. 50 N° 22 (Novembre 2011)
PermalinkResearch note previous article next article table of contents experimental data and predictions of dissociation conditions for methane ethane propane, and carbon dioxide simple hydrates in the presence of glycerol aqueous solutions / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 47 n°21 (Novembre 2008)
PermalinkStudy of gas hydrate formation in the carbon dioxide + hydrogen + water systems / Veronica Belandria in Industrial & engineering chemistry research, Vol. 50 N° 10 (Mai 2011)
PermalinkThermodynamic consistency test for experimental data of sulfur content of hydrogen sulfide / Ali Eslamimanesh in Industrial & engineering chemistry research, Vol. 50 N° 6 (Mars 2011)
PermalinkThermodynamic model for the prediction of equilibrium conditions of clathrate hydrates of methane + water-soluble or -insoluble hydrate former / Mohammad Illbeigi in Industrial & engineering chemistry research, Vol. 50 N° 15 (Août 2011)
PermalinkUse of an artificial neural network algorithm to determine pressure − temperature phase diagrams of tert - butylamine + methane and tert - butylamine + hydrogen binary hydrates / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 49 N° 20 (Octobre 2010)
PermalinkWax solubility in gaseous system / Amir H. Mohammadi in Industrial & engineering chemistry research, Vol. 50 N° 8 (Avril 2011)
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