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Title: Analytic studies of colloid transport in fractured porous media

Abstract

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.

Authors:
; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley Lab., CA (USA)
Sponsoring Org.:
USDOE; USDOE, Washington, DC (USA)
OSTI Identifier:
5715074
Report Number(s):
LBL-27200; CONF-901105-118
ON: DE91011891
DOE Contract Number:
AC03-76SF00098
Resource Type:
Conference
Resource Relation:
Conference: Fall meeting of the Materials Research Society (MRS), Boston, MA (USA), 24 Nov - 1 Dec 1990
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; POROUS MATERIALS; RADIONUCLIDE MIGRATION; COLLOIDS; FRACTURED RESERVOIRS; RADIOACTIVE WASTE DISPOSAL; TRANSPORT THEORY; DISPERSIONS; ENVIRONMENTAL TRANSPORT; MANAGEMENT; MASS TRANSFER; MATERIALS; WASTE DISPOSAL; WASTE MANAGEMENT; 540230* - Environment, Terrestrial- Radioactive Materials Monitoring & Transport- (1990-)

Citation Formats

Hwang, Y., Chambre, P.L., Lee, W.W.L., and Pigford, T.H. Analytic studies of colloid transport in fractured porous media. United States: N. p., 1989. Web.
Hwang, Y., Chambre, P.L., Lee, W.W.L., & Pigford, T.H. Analytic studies of colloid transport in fractured porous media. United States.
Hwang, Y., Chambre, P.L., Lee, W.W.L., and Pigford, T.H. Wed . "Analytic studies of colloid transport in fractured porous media". United States. doi:. https://www.osti.gov/servlets/purl/5715074.
@article{osti_5715074,
title = {Analytic studies of colloid transport in fractured porous media},
author = {Hwang, Y. and Chambre, P.L. and Lee, W.W.L. and Pigford, T.H.},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Nov 01 00:00:00 EST 1989},
month = {Wed Nov 01 00:00:00 EST 1989}
}

Conference:
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