Chemistry and release of radioisotopes in LBE
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Abstract
In MYRRHA, LBE is used as both spallation target material and primary coolant. Because of the interactions with the proton beam and neutrons produced in the reactor core with the main constituents of the coolant Pb, and Bi, many radioactive elements are created. These include spallation products with masses close to that of the coolant atoms (such as Hg) and activation products of which Po is the most important. In addition, potentially volatile fission products such as I, Cs and Te may be released in the coolant after a breach in the fuel cladding. Reliable information on the release of these elements from the coolant is needed as input for safety calculations. To certain extent, the chemical properties of some elements like Hg and some fission products are known or can be estimated from existing data. Therefore, our work is focussed on cases where literature data are lacking.
Details
| Original language | English |
|---|---|
| Title of host publication | English |
| Subtitle of host publication | Nuclear Transmutation Energy Research Center |
| Place of Publication | South Korea |
| Publisher | NUTRECK - Nuclear Transmutation Energy Research Center of Korea |
| Pages | 1-3 |
| Number of pages | 3 |
| Publication status | Published - 8 Sep 2017 |
| Event | GLANST-2017 - Global Symposium on Lead and Lead Alloy Cooled Nuclear Energy Science and Technology - Seoul National University, Korea, Seoul, Korea, Democratic People's Republic of Duration: 7 Sep 2017 → 8 Sep 2017 http://peacer.org/new/glanst2017.php (Global Symposium on Lead and Lead Alloy Cooled Nuclear Energy Science and Technology) |
Conference
| Conference | GLANST-2017 - Global Symposium on Lead and Lead Alloy Cooled Nuclear Energy Science and Technology |
|---|---|
| Country/Territory | Korea, Democratic People's Republic of |
| City | Seoul |
| Period | 2017-09-07 → 2017-09-08 |
| Other | Heavy Liquid Metal Coolant including Lead and Lead Alloys has emerged as innovative solution for advanced nuclear energy systems, with their neutron transparency and physico-chemical stability as well as the radiation shielding and radionuclide retention properties. Rapid expansions and progresses in science and technology have been recognized at the existing HLMC conference that has been held every five years in Obninsk, RF. The new Global Symposium on Lead and Lead Alloy Cooled Nuclear Energy Science and Technology (GLANST) will be launched this fall with five year interval in order to provide an additional forum in parallel with the already successful HLMC, with the support of the provisional System Steering Committee (pSSC) of Generation-IV International Forum (GIF) on Lead Fast Reactor (LFR). On this ground, the Scientific Committee of GLANST including key members of the GIF LFR-pSSC as well as key members of HLMC has programmed the GLANST-2017. GLANST, in companion with HLMC, will serve the rapidly growing community with the new forum for promoting the advanced nuclear science and technology. The technical Tracks are 1. Advanced reactors with heavy liquid metal coolants (HLMC) 2. Accelerator-driven systems with HLMC 3. Fuels and fuel cycles for lead and lead-alloy cooled systems 4. Materials for lead and lead-alloy cooled systems 5. Safety: hypothetical accidents, neutronics, thermo-hydraulics, mechanics, radiology, PSA 6. Integral/demonstration experiments for lead and lead-alloy cooled reactors 7. Code and Standards for the construction of nuclear energy systems cooled by HLMC |
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Keywords
- MYRRHA, LBE, Polonium, fission products, release
ID: 3043694