Analytic studies of colloid transport in fractured porous media

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We analyze the interactive migration of radioactive colloids and solute in fractured rock. Two possible interactions between radionuclides as colloids and as solute are considered: solute sorption on nonradioactive colloids to form pseudocolloids, and dissolution of radioactive colloids. Previous studies have discussed the formation and transport of colloids in porous media, including removal of colloids by filtration and sedimentation. Colloids can migrate faster than solute because of weaker sorption on stationary solids and because of hydrochromatography of colloid particles in flow channels. However, the migration of colloids and pseudocolloids can be retarded by the interaction of colloids with solute, and ... continued below

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Pages: (10 p)

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Hwang, Y.; Chambre, P.L.; Lee, W.W.L. & Pigford, T.H. November 1, 1989.

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Description

We analyze the interactive migration of radioactive colloids and solute in fractured rock. Two possible interactions between radionuclides as colloids and as solute are considered: solute sorption on nonradioactive colloids to form pseudocolloids, and dissolution of radioactive colloids. Previous studies have discussed the formation and transport of colloids in porous media, including removal of colloids by filtration and sedimentation. Colloids can migrate faster than solute because of weaker sorption on stationary solids and because of hydrochromatography of colloid particles in flow channels. However, the migration of colloids and pseudocolloids can be retarded by the interaction of colloids with solute, and the migration of solute in local equilibrium with colloids can be more rapid than if colloids were not present. Here we present a new quantative analysis to predict the interactive migration of colloids and solute in porous and fractured media. 4 figs.

Physical Description

Pages: (10 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Fall meeting of the Materials Research Society (MRS), Boston, MA (USA), 24 Nov - 1 Dec 1990

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  • Other: DE91011891
  • Report No.: LBL-27200
  • Report No.: CONF-901105--118
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 5715074
  • Archival Resource Key: ark:/67531/metadc1093504

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Office of Scientific & Technical Information Technical Reports

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  • November 1, 1989

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 24, 2018, 5:45 p.m.

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Hwang, Y.; Chambre, P.L.; Lee, W.W.L. & Pigford, T.H. Analytic studies of colloid transport in fractured porous media, article, November 1, 1989; [Berkeley,] California. (digital.library.unt.edu/ark:/67531/metadc1093504/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.