Document Type

Report

Publication Date

2005

First page number:

1

Last page number:

8

Abstract

In the framework of Agreement #280204 (first year) it was necessary to review methods of apatite synthesis; identify optimal procedure of precursor preparation; obtain and study first fluorapatite samples. Although, some apatite-based ceramics were successfully synthesized using co-precipitated precursors and sintering method, there are still a lot of uncertainties related to optimal apatite doping with different radionuclides and non-radioactive elements. It is necessary to provide complete incorporation of waste elements into apatite crystalline structure avoiding formation of separate phases of radionuclides. Also, it is important to note that real waste streams might contain radionuclides with essentially different chemical features such as Cs, Sr, rare earth elements and actinides. Therefore, study of apatite loading capacity to different individual elements and their various combinations was a main goal of present research.

In the framework of current Agreement #280204-1 (second year) new samples of apatite based ceramic doped with Cs, Sr and rare earth elements were obtained and studied at KRI.

Keywords

Apatite – Properties; Ceramic materials; Fluorides; Phosphates; Radioactive wastes – Purification; Separation (Technology); Strontium compounds; Zirconium compounds

Controlled Subject

Apatite; Radioactive wastes--Purification; Separation (Technology)

Disciplines

Analytical Chemistry | Chemistry | Oil, Gas, and Energy | Physical Chemistry

File Format

pdf

File Size

1000 KB

Language

English

Comments

Signatures have been redacted for privacy and security measures.

Rights

COPYRIGHT UNDETERMINED. For more information about this rights statement, please visit http://rightsstatements.org/vocab/UND/1.0/

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