Regenerative Energie
In the last decade, leaching tests and associated modelling tools have been developed for use in risk assessment of stabilised waste monofills, to address long-term release characteristics of contaminants from such monolithic wastes. The test methods used for this purpose are designed to provide intrinsic leaching properties. In addition, procedures with a shorter turn-around time are in development for quality control and compliance purposes in relation to acceptance of stabilised waste at landfills (CEN/TC292/WG2, 2007).
Currently, criteria for monolithic waste are lacking in the EU Landfill Directive. The development of a proper scenario description is ongoing in different EU member countries. The Test methods underlying such scenario development are technically accepted. These imply a monolithic leach test to assess release from intact specimen, the use of a percolation test for pore water simulation (first fractions only) and a pH dependence leaching test for the chemical speciation aspects and assessment of change in release due to carbonation. For a given disposal scenario, these test are used to feed sub-scenarios dealing with different exposure conditions within the site. The development of models to describe the sub-scenarios is progressing rapidly now. An important aspect following the development of criteria is the regular quality control, for which simplified procedures are needed.
| Copyright: | © IWWG International Waste Working Group |
| Quelle: | Workshop G (Oktober 2007) |
| Seiten: | 11 |
| Preis: | € 11,00 |
| Autor: | W. Aarnink Rob Bleijerveld Dr Hans A. Van der Sloot |
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Springer Vieweg | Springer Fachmedien Wiesbaden GmbH (5/2025)
Die Landestalsperrenverwaltung des Freistaates Sachsen (LTV) betreibt aktuell insgesamt 87 Stauanlagen, darunter 25 Trinkwassertalsperren. Der Stauanlagenbestand ist historisch gewachsen und wurde für unterschiedliche Zwecke errichtet.