Steklo i Keramika (Glass and Ceramics). Monthly scientific, technical and industrial journal

 

ISSN 0131-9582 (Online)

  • Continuous numbering: 1091
  • Pages: 40-45
  • Share:

Heading: Environmental protection

Research has been carried out on the synthesis of ceramic matrices based on zirconium-enriched pyrochlore for the immobilization of high-level waste (HLW) by the method of self-propagating high-temperature synthesis (SHS) in an SHS reactor under argon and compressed air pressure. The dependences of the phase composition and characteristics of the crystalline phases of the material on the gas pressure have been established. It is shown that all rare-earth elements (REE) (Ce 4+ , La 3+ ) from the model HLW mixture are incorporated into the ceramic structure. Elemental analysis showed that lanthanides are concentrated in the structures of perovskite and pyrochlore.
Cand. tech. Sciences K. B. Podbolotov 1 ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ), Cand. chem. Sciences T. V. BARINOVA 2 ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ); 1 Institute of Physics and Technology of the National Academy of Sciences of Belarus (Belarus, Minsk)
2 Institute of Structural Macrokinetics and Problems of Materials Science named after A. G. Merzhanov of the Russian Academy of Sciences (Russia, Chernogolovka)
Baluev A.V., Galkin B.Ya., Mityakhina V.S., Isupov V.K. review // Radiochemistry. 2000. T. 42.? 4.S. 295? 307. Sobolev AI, Dmitriev SA, Barinov AS et al. Handling of radioactive wastes formed outside the nuclear fuel cycle // Atomic Energy. 1995. V. 79. N 6. P. 840? 844. Dmitriev SA, Stefanovsky SV Radioactive waste management. Moscow: Ed. Center RCTU named after D.I.Mendeleeva, 2000.125 p. Ian W. Donald. Waste Immobilization in Glass and Ceramic Based Hosts: Radioactive, Toxic and Hazardous. Chichester: Wiley-Blackwell, 2010.526 p. Glagovskiy E. M., Yudintsev S. V. Kuprin A. V. et al. Study of crystal matrices of actinides obtained by self-propagating high-temperature synthesis // Radiochemistry. 2001. T. 43.? 6.S. 557? 562. Yudintsev SV Complex oxides of structural types of pyrochlore, garnet and murataite? matrices for immobilization of actinide waste from nuclear power: author. dis. ? Dr. Geol.-Mineral. sciences. Moscow: IGEM, 2009.46 p. Laverov NP, Yudintsev SV, Livshits TS et al. Synthetic Minerals with the Pyrochlore and Garnet Structures for Immobilization of Actinide-Containing Wastes // Geochemistry International. 2010. V. 48. N 1. P. 1? 14. Konovalov EE, Lastov AI, Nerozin NA On the issue of immobilization of high-level waste in a cermet matrix based on Y-Al garnet in SHS mode // Izvestiya vysshikh educational institutions. Nuclear energy. 2015.? 1.S. 111? 117. Mironov AS, Chizhevskaya SV, Stefanovskiy SV REE-substituted zirconolite? promising matrix for HLW immobilization // Advances in chemistry and chemistry. technologies: Sat. scientific. tr. 2003. T. 17.? 11, p. 6? 12. Podbolotov K., Barinova T. Synthesis of Mineral Matrices Based on Enriched by Zirconium Pyrochlore for Immobilize Actinide-Containing Waste // Advances in Materials Science for Environmental and Energy Technologies IV: Ceramic Transactions. 2015. V. 253. P. 73? 82. Podbolotov KB, Barinova TV Synthesis of ceramics with a pyrochlore structure for the immobilization of actinide-containing waste // Bulletin of the Nat. acad. Navuk Belarus ?. Ser. HM. navuk. 2016.? 2.S. 110? 115. Barinova TV, Borovinskaya IP, Ratnikov VI et al. Self-Propagating High-Temperature Synthesis of Ceramic Matrices for Immobilization of Actinide-Containing Wastes // Radiochemistry. 2014. V. 56. N 5. P. 554? 559. Belov GV Thermodynamic modeling: methods, algorithms, programs. Moscow: Scientific World, 2002.184 p.

The article can be purchased
electronic!

PDF format

700 руб

UDK 536.46
Article type: Environmental protection
Make a request

Keywords

Use the reference below to cite the publication

Podbolotov K. B., Barinova T. V. Influence of synthesis atmosphere on formation of pyrochlore matrices for HLWaste immobilisation. Steklo i keramika. 2018:91(11):40-45. (in Russ). UDK 536.46