NUCLIDE CONVERSION SYSTEM AND NUCLIDE CONVERSION METHOD

• Main Authors: IKEDA TAKURO, NAKANO YOJI, DOBASHI SHINSAKU, TSURUGA SHIGENORI
• Format: Patent
• Language: English; Japanese
• Published: 31.03.2022
• Subjects: CONVERSION OF CHEMICAL ELEMENTS; DECONTAMINATION ARRANGEMENTS THEREFOR; FUSION REACTORS; MEASUREMENT OF NUCLEAR OR X-RADIATION; MEASURING; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; PHYSICS; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT; RADIOACTIVE SOURCES; TESTING; TREATING RADIOACTIVELY CONTAMINATED MATERIAL

To provide a nuclide conversion system and a nuclide conversion method capable of recognizing the degree of progress of reaction of a heavy hydrogen with a radioactive substance in a nondestructive and non-contact state.SOLUTION: A nuclide conversion system 1 comprises: a reaction apparatus 10 having a structure 13 allowing a heavy hydrogen to penetrate, a storage part 11, a heavy hydrogen low-concentration part 12, an electrode 14 and a power source 15; an electrolyte solution supply part 60 for supplying an electrolyte-containing heavy water solution to the storage part 11; a circulation part 30 for extracting a solution from the storage part 11 and returning the extracted solution to the storage part 11; and a first detector 100 for measuring an amount of radiation of the structure 13. The structure 13 has a surface layer 25 having a hydrogen storage metal or a hydrogen storage alloy, and a radioactive substance at a storage part 11 side, and the circulation part 30 has a solution storage part 101 for storing the solution extracted from the storage part 11.SELECTED DRAWING: Figure 1 【課題】非破壊かつ非接触で、重水素と放射性物質との反応の進行度合いを見極められる核種変換システムおよび核種変換方法を提供することを目的とする。【解決手段】本開示に係る核種変換システム１は、重水素が透過可能な構造体１３、貯留部１１、重水素低濃度部１２、電極１４および電源１５を有する反応装置１０と、電解質を含む重水溶液を貯留部１１に供給する電解質溶液供給部６０と、貯留部１１内から溶液を抜き出し、抜き出した溶液を貯留部１１に戻す循環部３０と、構造体１３の放射線量を測定する第１検出器１００と、を備え、構造体１３は、貯留部１１側に、水素吸蔵金属または水素吸蔵合金と、放射性物質とを含む表層２５を有し、循環部３０は、貯留部１１から抜き出した溶液を貯蔵する溶液貯蔵部１０１を有する。【選択図】図１