科技报告详细信息
Direct Dismantling of Reprocessing Plant Cells the Eurex Plant Experience.
Gili, M. ; Troiani, F.
Technical Information Center Oak Ridge Tennessee
关键词: Dismantling;    Plant cells;    Procedures;    Radioactive waste management;    EUREX Plant;   
RP-ID  :  DE2004827056
学科分类:工程和技术(综合)
美国|英语
来源: National Technical Reports Library
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【 摘 要 】

After finishing the reprocessing campaigns in 1970-1983, the EUREX pilot reprocessing plant of ENEA Saluggia Research Center started into a new phase, aiming to materials and irradiated fuel systemation and radioactive wastes conditioning. In 1997 the project 'CORA' for a vitrification plant for the high and intermediate liquid radioactive wastes started. The 'CORA' plant will be hosted in some dismantled cells of the EUREX plant, reusing many of the EUREX plant auxiliary systems, duly refurbished, saving money and construction time and avoiding a new nuclear building in the site. Two of the cells that will be reused were part of the EUREX chemical process (solvent recovery and 2nd extraction cycle) and the components were obviously internally contaminated. In 2000 the direct (hands-on) dismantling of one of them started and has been completed in summer 2002; the second one will be dismantled in the next year and then the 'CORA' plant will be assembled inside the cells. Special care w as taken to avoid spread of contamination in the cells, where 'CORA' installation activities will start in the next years, during the dismantling process The analysis of data and results collected during the dismantling of the first cell shows that direct dismantling can be achieved with careful choice of tools, procedures and techniques, to reduce volumes of wastes to be disposed and radiological burden.

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