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首页> 美国政府科技报告 >Radiolytic Hydrogen Production during the Long Term Storage of Spent Organic Ion Exchange Resins
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Radiolytic Hydrogen Production during the Long Term Storage of Spent Organic Ion Exchange Resins

机译：废旧有机离子交换树脂长期储存过程中产生的放射性氢

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Organic ion exchange resins are used at Savannah River Site (SRS) and Hanford as well as many commercial nuclear installations to remove radionuclides from process waters that have become contaminated. Contamination of reactor moderator water can occur during reactor operation or the water in basins used to store spent fuel such as the K-basin at Hanford can become contaminated. After these resins have been used to the extent that they are no longer efficient for removing the radionuclides, the resins need to be stored and eventually placed in permanent disposal. During this storage, radiolysis from the radionuclides on the resin produces hydrogen and can create a flammable mixture in the storage container. Recent reviews stressing the importance of understanding the effects of radiation on resins used in the nuclear industry have been published. This report presents results of radiolysis studies designed to provide an estimate of the rate of hydrogen production from two commonly used resins so that the time to reach a flammable mixture (4 percent hydrogen in air) in the storage container can be estimated. We also include in this report further studies on our previously reported investigation of the radiolytic stability of a resorcinol-formaldehyde ion exchange resin. The resorcinol-formaldehyde polycondensation-type cation exchange resin is currently being investigated for potential cesium removal applications at Hanford and the Savannah River Site.

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