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Title: Carbon-14 production in fusion reactors

Abstract

Calculations based on existing composition data were performed to estimate the order of magnitude and the final location of /sup 14/C in fusion reactors. These calculations indicate that approximately 8 Ci/day, formed principally by /sup 14/N activation, will be produced in the UWMAK-II reference reactor (5,000 MWth). If Nb-1 percent Zr is used as the structural material instead of stainless steel 316 this quantity will be more than doubled. No information is available on the form of the /sup 14/C produced, but reduced forms such as carbides, hydrocarbons and perhaps CO may be produced. Most of the /sup 14/C may remain fixed in structural and other reactor materials until the material is reclaimed. Activation of air in the plasma chamber would be an immediate concern.

Authors:
;
Publication Date:
Research Org.:
Battelle Pacific Northwest Labs., Richland, Wash. (USA)
OSTI Identifier:
7325795
Report Number(s):
BNWL-2105
TRN: 77-004176
DOE Contract Number:  
E(45-1)-1830
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CARBON 14; PRODUCTION; THERMONUCLEAR REACTORS; RADIATION HAZARDS; AIR; BREEDING BLANKETS; FIRST WALL; NITROGEN 14; RADIOACTIVITY; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBON ISOTOPES; EVEN-EVEN NUCLEI; FLUIDS; GASES; HAZARDS; HEALTH HAZARDS; ISOTOPES; LIGHT NUCLEI; NITROGEN ISOTOPES; NUCLEI; ODD-ODD NUCLEI; RADIOISOTOPES; REACTOR COMPONENTS; STABLE ISOTOPES; THERMONUCLEAR REACTOR WALLS; YEARS LIVING RADIOISOTOPES; 700206* - Fusion Power Plant Technology- Environmental Aspects

Citation Formats

Scheele, R.D., and Burger, L.L. Carbon-14 production in fusion reactors. United States: N. p., 1976. Web. doi:10.2172/7325795.
Scheele, R.D., & Burger, L.L. Carbon-14 production in fusion reactors. United States. doi:10.2172/7325795.
Scheele, R.D., and Burger, L.L. Wed . "Carbon-14 production in fusion reactors". United States. doi:10.2172/7325795. https://www.osti.gov/servlets/purl/7325795.
@article{osti_7325795,
title = {Carbon-14 production in fusion reactors},
author = {Scheele, R.D. and Burger, L.L.},
abstractNote = {Calculations based on existing composition data were performed to estimate the order of magnitude and the final location of /sup 14/C in fusion reactors. These calculations indicate that approximately 8 Ci/day, formed principally by /sup 14/N activation, will be produced in the UWMAK-II reference reactor (5,000 MWth). If Nb-1 percent Zr is used as the structural material instead of stainless steel 316 this quantity will be more than doubled. No information is available on the form of the /sup 14/C produced, but reduced forms such as carbides, hydrocarbons and perhaps CO may be produced. Most of the /sup 14/C may remain fixed in structural and other reactor materials until the material is reclaimed. Activation of air in the plasma chamber would be an immediate concern.},
doi = {10.2172/7325795},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1976},
month = {9}
}