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Beräkning av kostnader för lågaktiv kärnavfallshantering
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Fysiska sektionen, Institutionen för fysik och astronomi, Tillämpad kärnfysik.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Fysiska sektionen, Institutionen för fysik och astronomi, Tillämpad kärnfysik.
2016 (svensk)Independent thesis Basic level (professional degree), 10 poäng / 15 hpOppgave
Abstract [en]

The surtax in Sweden, which exclusively applies for nuclear power plants, in conjunction with low electricity prices, has forced Swedish nuclear power plants to minimize their expenses.

At Oskarshamn power plant, estimation of cost, associated with low-level nuclear waste management has been conducted several years ago, but with lacking knowledge about how the calculations were performed. Therefore, the purpose of this project was to establish an independent cost estimation for compactible and non-compactible, low level and medium level nuclear waste. Cost estimates for free released low-level nuclear waste was also performed.

By analyzing average economic figures from year 2014-2015 and visits on-site, an excel-based calculation template was accomplished. During the on-site studies, several visits to the low-level nuclear waste management facilities at Oskarshamn power plant were made, in order to get an overview of how the handling process works.

By following the staff around, it was possible to estimate some of the time durations for the different parts in the handling process for compactible lowlevel nuclear waste, that were used in the calculations.

The price for compactible low-level nuclear waste was calculated to 6,72 - 6,97 kr/kg, depending on the activity level. The non-compactible low-level nuclear waste price was found to vary between 4 – 48 kr/kg.

The large fluctuations are due to different activity levels and associated additional costs in handling, measuring, final deposition etc.

For both compactible and non-compactible nuclear waste, the storage cost is a factor that dominates the total cost and that could be minimized. Based on the analysis presented in this work, the cost can be decreased by reducing the storage time and/or store the nuclear waste in a more space efficient way.

The cost estimate for free released material is low (5,94 – 8,74 kr/kg), which concludes that Oskarshamn power plant may profit from free releasing as much material as possible, due to the fact that it is highly profitable to recycle metals.

sted, utgiver, år, opplag, sider
2016. , s. 42
Emneord [sv]
kärnkraft, radioaktivt avfall, okg, avfallshantering, kostnader, radioaktivitet, kärnteknik
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-307224ISRN: UTH-INGUTB-EX-KKI-2016/03-SEOAI: oai:DiVA.org:uu-307224DiVA, id: diva2:1045812
Eksternt samarbeid
OKG AB
Utdanningsprogram
Bachelor Programme in Nuclear Engineering
Veileder
Examiner
Tilgjengelig fra: 2016-11-24 Laget: 2016-11-10 Sist oppdatert: 2016-11-24bibliografisk kontrollert

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