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国外对核废物处理不惜巨款进行了大量的各种研究,并取得了成果。然而,对强放射性废物处理,尤其在永久处理方面却还正在孕育之中。强放射性废物可分成下列三大类: 1、废燃料:即核反应堆用尽的燃料元件。该废燃料含有大量的裂变产物及超铀元素。 2、强放射性液体废物:即废燃料后处理所产生的付产品,这类废物绝大多数来自萃取钚的后处理过程。这类废物含有后处理末分离的裂变产物及某些超铀元
Foreign countries have done a great deal of research on nuclear waste disposal at huge amounts and have achieved results. However, the management of high-level radioactive waste is still under development, especially in the area of permanent treatment. Strong radioactive waste can be divided into the following three categories: 1, spent fuel: that is, the depletion of nuclear fuel components. The spent fuel contains a large amount of fission products and transuranics. 2, strong radioactive liquid waste: waste fuel reprocessing produced by the pay products, the vast majority of such waste from extraction of plutonium after-treatment process. This type of waste contains post-processing fission products that are not separated and certain transuranics