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Simulation of the Evolution of a Clay Engineered Barrier by Interaction With Granitic Groundwater: Dynamics and Characteristic Time Scales

Published online by Cambridge University Press:  10 February 2011

M. Cranga ,
L. Trotignon ,
C. Martial  and
E. Castelier
M. Cranga
Affiliation:
CEA Fuel Cycle Division DESD/SESD CE Cadarache, F-13108 St Paul Lez Durance
L. Trotignon
Affiliation:
CEA Fuel Cycle Division DESD/SESD CE Cadarache, F-13108 St Paul Lez Durance
C. Martial
Affiliation:
CEA Fuel Cycle Division DESD/SESD CE Cadarache, F-13108 St Paul Lez Durance
E. Castelier
Affiliation:
CEA Fuel Cycle Division DESD/SESD CE Cadarache, F-13108 St Paul Lez Durance
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Abstract

The chemical evolution of a clay engineered barrier in a deep repository interacting with various groundwaters is predicted using the TRIO-EF code supported by additional models tested against experimental data. Main results of this work are related to the long term evolution of the porewater and the buffering effect of the clay barrier in the presence of ion exchange sites and calcite, when exposed to representative granitic groundwaters or more acidic or alkaline waters.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 506: Symposium – Scientific Basis for Nuclear Waste Management XXI , 1997 , 629
Copyright
Copyright © Materials Research Society 1998

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References

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