Once-through thorium cycle for BWR's

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Description

Problems in application of thorium cycles include greater fissile inventory requirements, the blending of highly enriched uranium or plutonium with thorium, and the necessity to recover and recycle the valuable U-233 produced in order to recover the costs of the initial inventory and enrichment. With these problems in mind, a once-through thorium cycle was developed for Boiling Water Reactors which minimizes the effect of thorium on the fissile inventory, which is initiated with ThO/sub 2/ fuel containing no initial fissile material, and which does not require U-233 recovery and recycle to make the application economically competitive. The design makes advantageous ... continued below

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4 pages

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Townsend, D.B.; Crowther, R.L. & Wolters, R.A. January 1, 1979.

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Description

Problems in application of thorium cycles include greater fissile inventory requirements, the blending of highly enriched uranium or plutonium with thorium, and the necessity to recover and recycle the valuable U-233 produced in order to recover the costs of the initial inventory and enrichment. With these problems in mind, a once-through thorium cycle was developed for Boiling Water Reactors which minimizes the effect of thorium on the fissile inventory, which is initiated with ThO/sub 2/ fuel containing no initial fissile material, and which does not require U-233 recovery and recycle to make the application economically competitive. The design makes advantageous use of the inherent lattice heterogeneity and other characteristics of the BWR lattice to produce U-233 in ThO/sub 2/ without power distribution penalties and to improve reactor performance (thermal and transient margins). Standard BWR fuel assembly hardware was used to make the design backfitable with minimum manufacturing impact. Preliminary conclusions are that the once-through thorium application has potential to both reduce uranium ore requirements and increase BWR operating margins.

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4 pages

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • ANS annual meeting, Atlanta, GA, USA, 3 Jun 1979

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  • Report No.: CONF-790602-71
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 6019168
  • Archival Resource Key: ark:/67531/metadc1100915

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1979

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • April 23, 2019, 2:14 p.m.

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Townsend, D.B.; Crowther, R.L. & Wolters, R.A. Once-through thorium cycle for BWR's, article, January 1, 1979; United States. (https://digital.library.unt.edu/ark:/67531/metadc1100915/: accessed May 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.