Mineralogy in long-term nuclear waste managment

Županić, Daria (2009) Mineralogy in long-term nuclear waste managment. Bachelor's thesis, Faculty of Science > Department of Biology.

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Most radioactive waste derives from nuclear power plants as spent fuel. Nuclear waste has been divided in three main groups: Low Level Waste, Intermediate Level Waste and High Level Waste. Althought this waste is mainly solid, during various chemical reactions mobile radionuclids can be formed and find their way into the biosfere. Protection from HLW is provided with deep geological disposal, below water – saturated zone. The reason for that are Pu and U which are the most stable in completely anoxic conditions. The geosphere provides three elements of containment: shielding, protection for the engineered barriers and long pathway for radionuclide return to the surface. Disposal has been considered in very different geological formations: crystaline basements, fine-grained sedimentary rocks and bedded salt deposits (evaporites).

Item Type: Thesis (Bachelor's thesis)
Supervisor: Tomašić, Nenad
Date: 2009
Number of Pages: 15
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 05 Dec 2014 13:11
Last Modified: 05 Dec 2014 13:11
URI: http://digre.pmf.unizg.hr/id/eprint/3475

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