Geochemistry for High Level Waste: An International Comparison

by Paul L. Cloke, Science Applications Int Corp, Las Vegas, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993


This paper presents a brief summary of some of the recent and on going geochemical research related to the disposal of high level radioactive waste. For most categories of research (basic chemical reactions, solubilities, thermochemical data, kinetics, modeling, sorption and ion exchange, colloidal phenomena, isotopic studies, migration, and analytical techniques and chemical analyses) benefits would accrue from increased international communication. This is true in spite of the marked difference in rock type and hydrologic setting between the potential United States (U.S.) repository and those of other countries because many of the studies address fundamental characteristics, such as sorption, and because most of the relevant chemistry deals with liquid/solid interactions. In some cases, especially the last three categories noted, much of the research is site specific and of primary interest only to the country in which the site lies.

Subject Headings: Waste management | Comparative studies | Chemicals | Radioactive wastes | Waste disposal | Subsurface investigation | Solubility | Colloids | United States

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