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Remembering Charles E. Till
Charles E. Till
Charles E. Till, an ANS member since 1963 and Fellow since 1987, passed away on March 22 at the age of 89. He earned bachelor’s and master’s degrees from the University of Saskatchewan and a Ph.D. in nuclear engineering from Imperial College, University of London. Till initially worked for the Civilian Atomic Power Department of the Canadian General Electric Company, where he was the physicist in charge of the startup of the first prototype CANDU reactor in Canada.
Till joined Argonne National Laboratory in 1963 in the Applied Physics Division, where he worked as an experimentalist in the Fast Critical Experiments program. He then moved to additional positions of increasing responsibility, becoming division director in 1973. Under his leadership, the Applied Physics Division established itself as one of the elite reactor physics organizations in the world. Both the experimental (critical experiments and nuclear data measurements) and nuclear analysis methods work were internationally recognized. Till led Argonne’s participation in the International Nuclear Fuel Cycle Evaluation (INFCE), and he was the lead U.S. delegate to INFCE Working Group 5, Fast Breeders.
I. Maya, H. E. Levine, D. D. Peterman, S. Strausberg, K. R. Schultz
Fusion Science and Technology | Volume 4 | Number 2 | September 1983 | Pages 1141-1145
Environment and Safety | doi.org/10.13182/FST83-A23012
Articles are hosted by Taylor and Francis Online.
Three options for the disposition of irradiated materials from the STARFIRE toroidal field (TF) magnets were examined, namely, (1) preparation of the irradiated magnet for the subsequent refabrication of a new magnet using the irradiated materials, (2) reprocessing of selected materials and the subsequent manufacturing of a new magnet using these and new materials with standard fabrication techniques, and (3) disposal of the irradiated magnet material. The results indicate that refabrication of a magnet using the acceptable components of the irradiated magnet is technologically feasible. The total cost of refabricating the 12 TF magnets was estimated to be $21 million in 1982 dollars. Since this option avoids the purchase of new magnets which would cost over $170 million, it is the preferred economic choice. In comparison, reprocessing and recycling of the magnet materials through standard channels of trade yields a net profit of $0.4 million, but requires the purchase of a new set of magnets. In the event that the old magnets are unusable (e.g., as a result of significant advances in magnet design or severe accidental damage), reprocessing of the TF-coil materials can be used to recover the decommissioning costs associated with the STARFIRE magnets. Lastly, the low induced radioactivity levels in the magnets permit their qualification as Class A radioactive waste. Simply disposing of the magnets via shallow land burial was estimated to cost $3 million, including all the associated costs of dismantling, packaging, shipping, and ultimate disposal.