Preparation and characterization of simulated waste forms ZrxCe1-xSiO4

Xi Rui Lu, Fa Qin Dong, Xiao Li Wang, Li Liu, Chun Li Li, Yan Lin Wu

Research output: Contribution to journalArticlepeer-review


In order to investigate the capabilities of zircon immobilizing Pu(IV), Ce(IV) was used as the simulacrum for Pu(IV), and compounds in the system ZrxCe1-xSiO4 (0≤x≤0.5) were sintered for 72 h under 1500°C, using ZrO2, SiO2 and CeO2 powders as raw materials. The phases and structure of synthesized waste forms were characterized by XRD. Moreover, the Rietveld structural refinement method was employed to calculate the crystal cell parameters of samples. The results indicate that the phase of samples keeps the phase of zircon when the value of x is between 0 and 0.05, and the phase of cerium oxide is found when the value of x is more than 0.05. The parameters a, c, V and x in the system of ZrxCe1-xSiO4 (0≤x≤0.05) respectively follow the linear relations.

Original languageEnglish
Pages (from-to)1290-1294
Number of pages5
JournalYuanzineng Kexue Jishu/Atomic Energy Science and Technology
Issue number8
Publication statusPublished - 2013 Aug 1
Externally publishedYes


  • Characterization
  • Synthesis
  • Waste forms
  • Zircon

ASJC Scopus subject areas

  • Nuclear Energy and Engineering


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