Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility
The key industrial method for producing 99Mo is production of the radionuclide as one of the 235U fission fragments. 235U is irradiated with neutrons in a nuclear reactor (both heterogeneous and homogeneous nuclear reactors can be used) and then processed in radiochemical laboratories, where 99Mo is...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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National Research Nuclear University (MEPhI)
2024-03-01
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| Series: | Nuclear Energy and Technology |
| Online Access: | https://nucet.pensoft.net/article/122284/download/pdf/ |
| _version_ | 1797237751684268032 |
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| author | Oleg Yu. Kochnov Valery I. Stepanov Denis A. Pakholik Valery V. Kolesov Evgeny V. Nikulin |
| author_facet | Oleg Yu. Kochnov Valery I. Stepanov Denis A. Pakholik Valery V. Kolesov Evgeny V. Nikulin |
| author_sort | Oleg Yu. Kochnov |
| collection | DOAJ |
| description | The key industrial method for producing 99Mo is production of the radionuclide as one of the 235U fission fragments. 235U is irradiated with neutrons in a nuclear reactor (both heterogeneous and homogeneous nuclear reactors can be used) and then processed in radiochemical laboratories, where 99Mo is chemically extracted from fission products. Both highly enriched uranium (HEU) and low enriched uranium (LEU) can be used to produce 99Mo by the fragmentation method. To date, almost all world producers, with the exception of Russia, are either in the final stages of transferring production from highly enriched uranium to low enriched uranium, or are already producing 99Mo using LEU. This is due to the problems of non-proliferation of nuclear materials and the prevention of the likelihood of terrorist threats. A number of experimental studies have been carried out on the basis of the VVR-ts research reactor. Experimental studies included the study of the effect of LEU targets on the reactivity reserve of the VVR-ts reactor, irradiation of these targets in experimental channels and separation of 99Mo from them. The paper presents the results of producing and separating 99Mo from targets with LEU material. It is shown that it is necessary to improve the processing technology to increase the production of fragmented 99Mo from LEU. |
| first_indexed | 2024-04-24T17:24:44Z |
| format | Article |
| id | doaj.art-4c25102e929f4e4189cd0e943b946c2b |
| institution | Directory Open Access Journal |
| issn | 2452-3038 |
| language | English |
| last_indexed | 2024-04-24T17:24:44Z |
| publishDate | 2024-03-01 |
| publisher | National Research Nuclear University (MEPhI) |
| record_format | Article |
| series | Nuclear Energy and Technology |
| spelling | doaj.art-4c25102e929f4e4189cd0e943b946c2b2024-03-28T07:31:34ZengNational Research Nuclear University (MEPhI)Nuclear Energy and Technology2452-30382024-03-01101151810.3897/nucet.10.122284122284Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facilityOleg Yu. Kochnov0Valery I. Stepanov1Denis A. Pakholik2Valery V. Kolesov3Evgeny V. Nikulin4Joint Stock Company “Karpov Institute of Physical Chemistry”Joint Stock Company “Karpov Institute of Physical Chemistry”Joint Stock Company “Karpov Institute of Physical Chemistry”Joint Stock Company “Karpov Institute of Physical Chemistry”Joint Stock Company “Karpov Institute of Physical Chemistry”The key industrial method for producing 99Mo is production of the radionuclide as one of the 235U fission fragments. 235U is irradiated with neutrons in a nuclear reactor (both heterogeneous and homogeneous nuclear reactors can be used) and then processed in radiochemical laboratories, where 99Mo is chemically extracted from fission products. Both highly enriched uranium (HEU) and low enriched uranium (LEU) can be used to produce 99Mo by the fragmentation method. To date, almost all world producers, with the exception of Russia, are either in the final stages of transferring production from highly enriched uranium to low enriched uranium, or are already producing 99Mo using LEU. This is due to the problems of non-proliferation of nuclear materials and the prevention of the likelihood of terrorist threats. A number of experimental studies have been carried out on the basis of the VVR-ts research reactor. Experimental studies included the study of the effect of LEU targets on the reactivity reserve of the VVR-ts reactor, irradiation of these targets in experimental channels and separation of 99Mo from them. The paper presents the results of producing and separating 99Mo from targets with LEU material. It is shown that it is necessary to improve the processing technology to increase the production of fragmented 99Mo from LEU.https://nucet.pensoft.net/article/122284/download/pdf/ |
| spellingShingle | Oleg Yu. Kochnov Valery I. Stepanov Denis A. Pakholik Valery V. Kolesov Evgeny V. Nikulin Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility Nuclear Energy and Technology |
| title | Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility |
| title_full | Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility |
| title_fullStr | Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility |
| title_full_unstemmed | Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility |
| title_short | Experience in the production of 99Mo from low enriched uranium at the VVR-ts research nuclear facility |
| title_sort | experience in the production of 99mo from low enriched uranium at the vvr ts research nuclear facility |
| url | https://nucet.pensoft.net/article/122284/download/pdf/ |
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