STABILITY OF NZP WASTE FORMS AND THEIR APPLICATION TO ICCP WASTE.

B. E. Scheetz, Sridhar Komarneni, W. Fajun, L. J. Yang, M. Ollinen, R. Roy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations

Abstract

The crystal structure of NaZr//2(PO//4)//3 (NZP) contains three distinct crystallographic sites which between them can readily accommodate the majority of elements that are present in high level nuclear waste. The applicability of this host phase to the immobilization of mixed zirconia/alumina waste from the Idaho Chemical Processing Plant (ICPP) was demonstrated. A waste form consisting of CaF//2, a number of NZP phases and F-apatite was prepared and the results of leach testing reported. Detailed stability studies of the host sodium zirconium phosphate phase were also conducted as a function of temperature, pH and time.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposia Proceedings
EditorsCarol M. Jantzen, John A. Stone, Rodney C. Ewing
PublisherMaterials Research Soc
Pages903-910
Number of pages8
ISBN (Print)093183709X
StatePublished - Dec 1 1985

Publication series

NameMaterials Research Society Symposia Proceedings
Volume44
ISSN (Print)0272-9172

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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