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Analysis of Unit Process Cost for an Engineering-Scale Pyroprocess Facility Using a Process Costing Method in Korea

Author

Listed:
  • Sungki Kim

    (Korea Atomic Energy Research Institute, 1045 Daedeokdaero, Yuseong-gu, Daejeon 305-353, Republic of Korea)

  • Wonil Ko

    (Korea Atomic Energy Research Institute, 1045 Daedeokdaero, Yuseong-gu, Daejeon 305-353, Republic of Korea)

  • Sungsig Bang

    (Department of Business and Technology Management, Korea Advanced Institute of Science and Technology, 291 Deahak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea)

Abstract

Pyroprocessing, which is a dry recycling method, converts spent nuclear fuel into U (Uranium)/TRU (TRansUranium) metal ingots in a high-temperature molten salt phase. This paper provides the unit process cost of a pyroprocess facility that can process up to 10 tons of pyroprocessing product per year by utilizing the process costing method. Toward this end, the pyroprocess was classified into four kinds of unit processes: pretreatment, electrochemical reduction, electrorefining and electrowinning. The unit process cost was calculated by classifying the cost consumed at each process into raw material and conversion costs. The unit process costs of the pretreatment, electrochemical reduction, electrorefining and electrowinning were calculated as 195 US$/kgU-TRU, 310 US$/kgU-TRU, 215 US$/kgU-TRU and 231 US$/kgU-TRU, respectively. Finally the total pyroprocess cost was calculated as 951 US$/kgU-TRU. In addition, the cost driver for the raw material cost was identified as the cost for Li 3 PO 4 , needed for the LiCl-KCl purification process, and platinum as an anode electrode in the electrochemical reduction process.

Suggested Citation

  • Sungki Kim & Wonil Ko & Sungsig Bang, 2015. "Analysis of Unit Process Cost for an Engineering-Scale Pyroprocess Facility Using a Process Costing Method in Korea," Energies, MDPI, vol. 8(8), pages 1-23, August.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:8:p:8775-8797:d:54399
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    References listed on IDEAS

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    1. Nakaten, Natalie & Schlüter, Ralph & Azzam, Rafig & Kempka, Thomas, 2014. "Development of a techno-economic model for dynamic calculation of cost of electricity, energy demand and CO2 emissions of an integrated UCG–CCS process," Energy, Elsevier, vol. 66(C), pages 779-790.
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    Cited by:

    1. Sungki Kim & Jinseop Kim & Dongkeun Cho & Sungsig Bang, 2021. "Quantitative Cost-Benefit Analysis of Direct Disposal and Pyroprocessing in Korea’s Nuclear Fuel Cycle," Sustainability, MDPI, vol. 13(14), pages 1-15, July.
    2. Sungki Kim & Jin-Seop Kim & Dong-Keun Cho, 2021. "Comparative Evaluation of Direct Disposal and Pyro-SFR Nuclear Fuel Cycle Alternatives Using Multi Criteria Decision Making in Korea," Energies, MDPI, vol. 14(12), pages 1-20, June.
    3. SungSig Bang & SangYun Park, 2021. "Effect of Depreciation Method for Long-Term Tangible Assets on Sustainable Management: From a Nuclear Power Generation Cost Perspective under the Nuclear Phase-Out Policy," Sustainability, MDPI, vol. 13(9), pages 1-15, May.

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