Abstract
Layered hydrazinium titanate LHT-9, (N2H5)1/2Ti1.87O4 is a new nanohybrid material related to lepidocrocite-type titanates. Unique combination of ion exchange, reductive properties, surface activity due to Bransted acid sites and occurrence of surface titanyl groups allows exploring LHT-9 for simultaneous uptake of almost all components of liquid nuclear wastes. LHT-9 irreversibly removes technetium, molybdenum, palladium and selenium from their aqueous solutions by specific mechanism of reductive adsorption. For removal of cesium, strontium, transition elements, actinides and lanthanides LHT-9 provides mechanisms of ion exchange and surface complexation. Products of adsorption are nanocrystalline and homogeneous powders loaded with 5 to 15 wt. % of radionuclides and non-radioactive elements. LHT-9 can be applied as ready-to-use precursor for one-step synthesis of durable titanate ceramic waste forms similar to SYNROC. An essential advantage of LHT-9 in comparison with other titanate sorbents (monosodium titanate and peroxo-titanate materials) is the absence of Na in its composition that permits arbitrary tailoring of sorbent properties by simple pre-treatment with the desired elements. Results on sorption of americium, cesium, strontium and lanthanides by LHT-9 are discussed.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
N. R. Mann, and T. A. Todd, Sep. Sci. Technol., 39, #10, 2351–2371 (2004). 10.1081/SS-120039321
M. Nyman, A. Tripathi, J. B. Parise, R. S. Maxwell, W. T. A. Harrison, and T. M. Nenoff, J. Am. Chem. Soc., 123, #7, 1529–1530 (2001). 10.1021/ja005816e
S. N. Britvin, A. Lotnyk, L. Kienle, S. V. Krivovichev, and W. Depmeier, J. Am. Chem. Soc., 133, #24, 9516–9525 (2011). 10.1021/ja202053q
S. N. Britvin, W. Depmeier, S. V. Krivovichev, O. I. Siidra, A. A. Zolotarev, V. V Gurzhiy, D. V. Spiridonova, Patent WO 2011/116788 A1.
S. S. Berman, R. E. Sturgeon, J. A. H. Desaulniers, and A. P. Mykyfluk, Marine Poll. Bull., 14, 69–73 (1983). 10.1016/0025-326X(83)90195-9
T. J. White, R. L. Segall, and P. S. Turner, Angew. Chem. Int. Ed., 24, #5, 357–438 (1985). 10.1002/anie.198503573
S. V. Krivovichev, S. V. Yudintsev, S. V. Stefanovsky, N. I. Organova, O. V. Karimova, and V. S. Urusov, Angew. Chem. Int. Ed., 49, #51, 9982–9984 (2010). 10.1002/anie.201005674
R. Lynch, R. Dosch, B. Kenna, J. Johnstone, and E. Nowak, IAEA Symposium on the Management of Radioactive Waste. Vienna, Austria, 360–372 (1976).
D. T. Hobbs, M. R. Poirier, M. J. Barnes, T. B. Peters, F. F. Fondeur, M. E. Thompson, S. D. Fink, and M. D. Nyman, WM’08 Conference, February 24–28, Phoenix, AZ (2008).
M. Nyman, and D. T. Hobbs, Chem. Mater., 18, 6425–6435 (2006). 10.1021/cm061797h
W. Lutze, and R. C. Ewing, Radioactive Waste Forms for the Future. (Elsevier, 1988).
Acknowledgments
This research was supported in part by a grant from the Deutsche Forschungsgemeinschaft (DE 412/39-1), by the V.G. Khlopin Radium Institute (KRI), Russian Federal Grant-in-Aid contracts 02.740.11.0326 and 16.513.11.3033, and internal budget grant of St. Petersburg State University 3.37.84.2011. L.K. acknowledges financial support by the Deutsche Forschungsgemeinschaft in the frame of the Heisenberg Program.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Britvin, S.N., Korneyko, Y.I., Burakov, B.E. et al. Sorption of Nuclear Waste Components by Layered Hydrazinium Titanate: a Straightforward Route to Durable Ceramic Forms. MRS Online Proceedings Library 1475, 191–196 (2012). https://doi.org/10.1557/opl.2012.575
Published:
Issue Date:
DOI: https://doi.org/10.1557/opl.2012.575