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Contribution of Nano- to Microscale Roughness to Heterogeneity: Closing the Gap between Unfavorable and Favorable Colloid Attachment Conditions
ArticleAbstract: Surface roughness has been reported to both increase as well as decrease colloid retention. In orderPalabras claves:Autores:Assemi S., Eddy Pazmiño, Johnson W.P., Rasmuson A.Fuentes:googlescopusGravitational settling effects on unit cell pbkp_redictions of colloidal retention in porous media in the absence of energy barriers
ArticleAbstract: Laboratory column experiments for colloidal transport and retention are often carried out with flowPalabras claves:Autores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusDirect observations of colloid retention in granular media in the presence of energy barriers, and implications for inferred mechanisms from indirect observations
ArticleAbstract: In this paper we present direct observations of retention of colloids in granular porous media overPalabras claves:Colloid, heterogeneity, Porous media, Secondary energy minimum, Straining, WedgingAutores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusRelease of colloids from primary minimum contact under unfavorable conditions by perturbations in ionic strength and flow rate
ArticleAbstract: Colloid release from surfaces in response to ionic strength and flow perturbations has been mechanisPalabras claves:Autores:Eddy Pazmiño, Johnson W.P., Trauscht J.Fuentes:googlescopusPower law size-distributed heterogeneity explains colloid retention on soda lime glass in the presence of energy barriers
ArticleAbstract: This article concerns reading the nanoscale heterogeneity thought responsible for colloid retentionPalabras claves:Autores:Dame B., Eddy Pazmiño, Johnson W.P., Trauscht J.Fuentes:googlescopusPbkp_rediction of Nanoparticle and Colloid Attachment on Unfavorable Mineral Surfaces Using Representative Discrete Heterogeneity
ArticleAbstract: Despite several decades of research there currently exists no mechanistic theory to pbkp_redict collPalabras claves:Autores:Eddy Pazmiño, Johnson W.P., Trauscht J.Fuentes:googlescopusStraining cbkp_redibility: A general comment regarding common arguments used to infer straining as the mechanism of colloid retention in Porous Media
OtherAbstract:Palabras claves:Autores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusSurface heterogeneity on hemispheres-in-cell model yields all experimentally-observed non-straining colloid retention mechanisms in porous media in the presence of energy barriers
ArticleAbstract: Many mechanisms of colloid retention in porous media under unfavorable conditions have been identifiPalabras claves:Autores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopus