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Irreversible chemical potential and shear-induced diffusion in crossflow filtration / Albert S. Kim in Industrial & engineering chemistry research, Vol. 47 n°15 (Août 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 n°15 (Août 2008) . - p. 5611–5614 Titre : Irreversible chemical potential and shear-induced diffusion in crossflow filtration Type de document : texte imprimé Auteurs : Albert S. Kim, Auteur ; Yuewei Liu, Auteur Année de publication : 2008 Article en page(s) : p. 5611–5614 Note générale : Bibliogr. p. 5614 Langues : Anglais (eng) Mots-clés : Crossflow  filtration;  Colloidal  back-diffusion;  Shear-induced  diffusion Résumé : Nonequilibrium themodynamics is used in a novel way to fundamentally investigate colloidal back-diffusion during crossflow membrane filtration. A generalized chemical potential is assumed as a superposition of equilibrium and irreversible contributions, which are proven to originate from Brownian and shear-induced diffusion, respectively. As a result, an effective drag force is derived for a particle that is simultaneously undergoing both Brownian and shear-induced diffusion in a sheared concentrated suspension. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie0714403 [article] Irreversible chemical potential and shear-induced diffusion in crossflow filtration [texte imprimé] / Albert S. Kim, Auteur ; Yuewei Liu, Auteur . - 2008 . - p. 5611–5614. Bibliogr. p. 5614 Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 n°15 (Août 2008) . - p. 5611–5614 Mots-clés : Crossflow  filtration;  Colloidal  back-diffusion;  Shear-induced  diffusion Résumé : Nonequilibrium themodynamics is used in a novel way to fundamentally investigate colloidal back-diffusion during crossflow membrane filtration. A generalized chemical potential is assumed as a superposition of equilibrium and irreversible contributions, which are proven to originate from Brownian and shear-induced diffusion, respectively. As a result, an effective drag force is derived for a particle that is simultaneously undergoing both Brownian and shear-induced diffusion in a sheared concentrated suspension. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie0714403