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Spent Nuclear Fuel Disposition at the Savannah River Site

机译:萨凡纳河场址的废核燃料处置

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For over forty years, the H-Canyon facility at the Savannah River Site (SRS) performed remotely operated radiochemical separations of irradiated targets and fuels to produce materials for national defense. Although the materials production mission has ended, the facility continues to play an important role in the stabilization and safe disposition of proliferate nuclear materials. H-Canyon has operated for over sixty years and provides the capability to process various types of radioactive materials in a safe, environmentally acceptable manner. The canyon was designed to remotely handle material with the highest potential for radiation exposure, and to do remote maintenance. Equipment can also be remotely inserted, modified in place and removed if necessary, with low radiation exposure to the operators. These facilities have capabilities that are unique in the U.S. and rare in the world. Their replacements would cost tens of billions of dollars and would require sustained construction funding over many government budget cycles. H-Canyon continues to disposition excess uranium and plutonium-bearing materials as well as assist with nuclear research/development. The main H-Canyon mission is to process spent nuclear fuel (SNF) currently stored in the SRS L-area "wet" basin. Research and development activities utilizing these facilities during these processes have also been approved. An Amended Record of Decision (AROD) was approved in April 2013 allowing conventional chemical separations processing of approximately 1,000 aluminum clad fuel bundles and up to 200 High Flux Isotope Reactor (HFIR) cores through SRS's H-Canyon. Allowing this chemical separations processing, will disposition this uranium material for a useful purpose and alleviate the potential need to increase SNF storage capacity at SRS L Basin.
机译:40多年来,萨凡纳河站点(SRS)的H-Canyon设施对受辐照的目标物和燃料进行了远程操作的放射化学分离,以生产国防用材料。尽管材料生产任务已经结束,但该设施继续在稳定和安全处置扩散核材料方面发挥重要作用。 H-Canyon已经运营了60多年,具有以安全,环保的方式处理各种类型的放射性物质的能力。峡谷的设计目的是远程处理最有可能暴露于辐射的材料,并进行远程维护。设备也可以远程插入,修改和拆卸(如有必要),并且不会对操作员造成低辐射。这些设施的功能在美国是独一无二的,在世界上是罕见的。它们的替换将耗资数百亿美元,并且需要在许多政府预算周期内持续提供建设资金。 H-峡谷继续处置多余的铀和p材料,并协助进行核研究/开发。 H-Canyon的主要任务是处理当前存储在SRS L-区域“湿”盆地中的乏核燃料(SNF)。在这些过程中利用这些设施进行的研究和开发活动也已获得批准。 2013年4月批准了修订的决定记录(AROD),允许通过SRS的H-Canyon进行常规化学分离处理,处理约1,000个铝包燃料束和多达200个高通量同位素反应堆(HFIR)堆芯。允许进行此化学分离处理,将处置该铀材料以达到有用的目的,并减轻增加SRS L盆地SNF储存能力的潜在需求。

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