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Welcome to THEREDA
THEREDA (Thermodynamic Reference Database) is a joint project dedicated to the creation of a comprehensive, internally consistent thermodynamic reference database. This database, together with suitable codes for the geochemical modeling of aqueous electrolyte solutions up to high concentrations. This is of paramount importance for processes in the near- and far-field of different host rock types, which are envisaged as potential sites for final repositories in Germany. At present, THEREDA represents the only database worldwide for the host rock salt, which covers polyterm the entire system of oceanic salts including acids and bases.
THEREDA was planned, implemented and is further developed jointly by established research institutions working in the field of final disposal of radioactive waste and its potential host rocks (THEREDA-Partners).
2020: First cumulative release from THEREDA
The THEREDA management board proudly announces the 2020 release of THEREDA.
The present THEREDA data release differs from earlier ones. Formerly separated into small parameter files dedicated to only a few, well-tested systems each, all datasets are now combined into a single parameter file, one for each supported code. The reason for this step is that the effort of updating and testing many small parameterfiles turned out to be unsustainable
Due to this paradigm shift in the release strategy it is now in principle possible to model chemical systems for which THEREDA has never been tested, or for which experimental data are lacking. Therefore, a “positive list” has been created which presents examples of applications of THEREDA to specific systems. This list will be continuously extended. Registered users may access through the menu item “Tested Systems”.
More information is given in the released notes attached to each parameter file.
Examples
An extensive survey of all tested systems can be accessed using the menu item Application Examples.
Key References
If you want to read more on THEREDA or cite the THEREDA database in your publications, you can use these references:
- Moog, H.C.; Bok, F.; Marquardt, C.M.; Brendler, V. (2015) "Disposal of nuclear waste in host rock formations featuring high-saline solutions – Implementation of a thermodynamic reference database (THEREDA)", Appl. Geochem., 55, 72–84.
- Altmaier, M., Kienzler, B.; Marquardt, C.M.; Neck, V.; Brendler, V.; Richter, A.; Hagemann, S.; Herbert, H.-J.; Moog, H.C.; Voigt, W.; Wilhelm, S. (2008) "THEREDA: Ein Beitrag zur Langzeitsicherheit von Endlagem nuklearer und nichtnuklearer Abfälle" (transl.: "THEREDA: A Contribution to Long-term Safety of Repositories of Nuclear and Non-nuclear Wastes") Atw. Internationale Zeitschrift für Kernenergie 53(4), 249–253.
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