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Direct 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:googlescopusApplicability of colloid filtration theory in size-distributed, reduced porosity, granular media in the absence of energy barriers
ArticleAbstract: The vast majority of colloid transport experiments use granular porous media with narrow size distriPalabras claves:Autores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusParticulate and dissolved trace element concentrations in three southern ecuador rivers impacted by artisanal gold mining
ArticleAbstract: Water and sediment samples were collected along river transects at three artisanal gold mining areasPalabras claves:Cyanidation, Dissolved loads, ECUADOR, Methyl mercury, Particulate loads, trace metalsAutores:Carling G.T., Eddy Pazmiño, Fernandez D.P., Gale B.K., Johnson W.P., Merugu S., Nasimba L., Perez L., Ponce M., Rudd A., Ximena DíazFuentes:googlescopus