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The human factor in licensing and operating the next generation of nuclear plants
As human factors specialists working at the intersection of human performance and nuclear operations, we are witnessing one of the nuclear sector’s most significant transitions in decades. The emergence of small modular reactors, microreactors, and other advanced designs is reshaping the industry’s landscape. Digital instrumentation and controls, passive safety systems, and increased automation are creating opportunities for greater safety margins and more flexible operation. These same features also fundamentally redefine what it means to “operate” a nuclear plant. Interactions among human roles, automation, and passive systems shape how people maintain awareness, exercise judgment, and intervene when necessary. These developments affect both operational realities and the regulatory foundations on which nuclear safety is built.
Yasuo Arai, Takashi Iwai, Mitsuo Akabori, Kazuo Minato
Nuclear Technology | Volume 162 | Number 2 | May 2008 | Pages 244-249
Technical Paper | First International Pyroprocessing Research Conference | doi.org/10.13182/NT08-A3952
Articles are hosted by Taylor and Francis Online.
Pyrochemical processing has several advantages over conventional wet processing for the treatment of spent nitride fuel. Besides the molten salt electrorefining of nitride fuel, actinide nitride formation in and recovery from the liquid cadmium cathode is a key technology in the nitride fuel cycle with pyrochemical processing. It was found that heating a cadmium alloy containing plutonium and uranium at 973 K under a nitrogen gas stream resulted in the simultaneous nitridation of the actinides and the distillation of cadmium. Furthermore, nitride pellets were prepared from the powder recovered without any milling or granulating process. The results obtained in the present study suggested that the nitride fuel cycle with pyrochemical processing is technologically feasible for transmutation of minor actinides and advanced fast reactors.
