The Role of Colloids in Radionuclide Retention by and Transport Through Geologic Media

摘要

Most systems of interest as sites for nuclear waste repositories will be "symmetrical", at least in the far field. Near-field systems are likely to become "asymmetrical" with time. Colloid-facilitated radionuclide transport in symmetrical systems will likely be minimal. The current uncertainty over the importance of colloid-facilitated radionuclide transport is associated with a substantial lack of knowledge of system heterogeneity.