Feasibility Study on the Enlargement of the Surface Repository for LILW at Mochovce, Slovak Republic
- DBE Technology GmbH, Peine (Germany)
- INITEC NUCLEAR S.A., Madrid (Spain)
- Jadrova a vyrad'ovacia spoloenost', a.s., Jaslovske Bohunice (Slovakia)
In the Slovak Republic the sources of radioactive waste include the operation of the Mochovce and Bohunice nuclear power plants, decommissioning activities currently carried out and/or planned at Bohunice and elsewhere, as well as the use of radioactive sources in research, industry, and medicine. Pursuant to the Slovak policy low and intermediate level radioactive waste (LILW) containing predominantly short-lived radionuclides (LILW-SL), which is amenable for surface disposal, shall be disposed of at the National Radioactive Waste Repository (NRR) at Mochovce, which was designed to take all Slovak LILW-SL and which currently is in routine operation. The NRR site covers approximately 11 ha, currently only some 20 % of this area is used with two double rows of 20 reinforced concrete vaults each. The dimensions of a vault are 17.4 x 5.4 x 5.5 m, with an effective volume of 510 m{sup 3}. The total capacity of the two existing double rows (80 vaults) is enough to accommodate a net volume of radioactive waste of 22,320 m{sup 3}. Until the end of 2006 some 17 % of that capacity had already been used up. The NRR can receive in addition to the waste resulting from decommissioning the Bohunice A1 NPP pilot power reactor (under decommissioning since 1979) all the routinely produced Slovak waste until approximately 2020. However, the early shutdown of the Bohunice V1 Unit 1 end of 2006 and the planned shutdown of Unit 2 in 2008 with their following decommissioning will require additional disposal capacity well ahead of the initial time schedule. In this context it appears meaningful, to analyze anew the regulatory boundary conditions, existing disposal options and the corresponding waste categories. The main purpose of the feasibility study is to analyze alternatives for optimization of LILW management in the Slovak Republic as well as for the enlargement of the NRR at Mochovce, which will allow to dispose of the waste generated by the decommissioning of the nuclear power plants Bohunice A1 and V1 as well as waste arising from the operation of the Mochovce and Bohunice V2 NPPs and institutional waste. This paper describes the situation in the field of waste disposal in the Slovak Republic, the reasons leading to the decision of enlarging the NRR, the approach developed to select the optimum solution out of eight different enlargement variants, and first proposals and concepts for the enlargement of the NRR developed in the course of the project. (authors)
- Research Organization:
- WM Symposia, 1628 E. Southern Avenue, Suite 9 - 332, Tempe, AZ 85282 (United States)
- OSTI ID:
- 21323115
- Report Number(s):
- INIS-US-10-WM-08373; TRN: US10V0569064306
- Resource Relation:
- Conference: WM'08: Waste Management Symposium 2008 - HLW, TRU, LLW/ILW, Mixed, Hazardous Wastes and Environmental Management - Phoenix Rising: Moving Forward in Waste Management, Phoenix, AZ (United States), 24-28 Feb 2008; Other Information: Country of input: France; 1 ref
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BOUNDARY CONDITIONS
CAPACITY
FEASIBILITY STUDIES
GROUND DISPOSAL
INTERMEDIATE-LEVEL RADIOACTIVE WASTES
LOW-LEVEL RADIOACTIVE WASTES
MOCHOVCE RADIOACTIVE WASTE REPOSITORY
RADIOACTIVE WASTE DISPOSAL
REINFORCED CONCRETE
SLOVAKIA