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Radionuclide removal by apatite

Journal Article · · American Mineralogist
DOI:https://doi.org/10.2138/am-2016-5769· OSTI ID:1347532
 [1];  [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
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In this study, a growing body of research supports widespread future reliance on apatite for radioactive waste cleanup. Apatite is a multi-functional radionuclide sorbent that lowers dissolved radionuclide concentrations by surface sorption, ion exchange, surface precipitation, and by providing phosphate to precipitate low-solubility radionuclide-containing minerals. Natural apatites are rich in trace elements, and apatite’s stability in the geologic record suggest that radionuclides incorporated into apatite, whether in a permeable reactive barrier or a waste form, are likely to remain isolated from the biosphere for long periods of time. Here we outline the mineralogic and surface origins of apatite-radionuclide reactivity and show how apatites might be used to environmental advantage in the future.
Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1347532
Alternate ID(s):
OSTI ID: 1497667
Report Number(s):
SAND--2016-2340J; 643757
Journal Information:
American Mineralogist, Journal Name: American Mineralogist Journal Issue: 12 Vol. 101; ISSN 0003-004X
Publisher:
Mineralogical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

Cited By (4)

Immobilization of cesium from aqueous solution using nanoparticles of synthetic calcium phosphates journal July 2018
Structural, photoluminescence and dielectric investigations of phosphatic shale journal January 2019
Waiting for Aπαταω: 250 Years Later journal April 2019
A novel sorbent based on Ti-Ca-Mg phosphates: synthesis, characterization, and sorption properties journal December 2019

Figures / Tables (7)

Figure 1(p. 31)figure Figure 1
Figure 2(p. 32)figure Figure 2
Figure 3(p. 33)figure Figure 3
Figure 4(p. 34)figure Figure 4
Table 1(p. 35)table Table 1
Table 2(p. 36)table Table 2
Table 3(p. 37)table Table 3

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Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
54 ENVIRONMENTAL SCIENCES