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The mission of the Decommissioning and Environmental Sciences (DES) Division is to promote the development and use of those skills and technologies associated with the use of nuclear energy and the optimal management and stewardship of the environment, sustainable development, decommissioning, remediation, reutilization, and long-term surveillance and maintenance of nuclear-related installations, and sites. The target audience for this effort is the membership of the Division, the Society, and the public at large.
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Latest News
College students help develop waste-measuring device at Hanford
A partnership between Washington River Protection Solutions (WRPS) and Washington State University has resulted in the development of a device to measure radioactive and chemical tank waste at the Hanford Site. WRPS is the contractor at Hanford for the Department of Energy’s Office of Environmental Management.
R. W. Moir
Fusion Science and Technology | Volume 61 | Number 1 | January 2012 | Pages 243-249
Fusion-Fission Hybrids and Transmutation | Proceedings of the Fifteenth International Conference on Emerging Nuclear Energy Systems | doi.org/10.13182/FST12-A13427
Articles are hosted by Taylor and Francis Online.
Fusion reactors can be designed to breed fissile material for startup and makeup fuel for fission reactors while suppressing fissioning, thereby enhancing safety. Each fusion reaction can release about 2.1 times the 14 MeV neutron's energy in the blanket in this fission-suppressed design while producing 0.6 fissile atoms, which is 2660 kg/1000 MW of fusion power for a full power year. The revenues would be doubled from such a plant by selling both fuel at a price of $60/g and electricity at $0.05/kWh for Q=Pfusion/Pinput=4. Fusion reactors could also be designed to destroy fission wastes by fissioning, but this is not a natural use of fusion whereas it is a designed use of fission reactors. Fusion could supply makeup fuel to fission reactors dedicated to fissioning wastes with some of their neutrons. The design for safety and heat removal is already accomplished with fission reactors; however, fusion reactors have geometry that compromises safety with a complex and thin wall separating the fusion zone from the fission blanket zone. Fusion is unique compared to fission in that its high-energy 14 MeV neutron can generate up to 0.05 232Uatoms for each 233U atom produced from thorium, about twice the IAEA standards of “reduced protection” or “self protection.”