Ceramic composition for immobilization of actinides

Hazardous or toxic waste destruction or containment – Destruction or containment of radioactive waste – By fixation in stable solid media

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501152, 501155, 264 05, 252625, G21F 900

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active

061370258

ABSTRACT:
Disclosed is a ceramic composition for the immobilization of actinides, particularly uranium and plutonium. The ceramic is a titanate material comprising pyrochlore, brannerite and rutile.

REFERENCES:
patent: 4274976 (1981-06-01), Ringwood
patent: 4329248 (1982-05-01), Ringwood
patent: 5597516 (1997-01-01), Feng et al.
patent: 5613243 (1997-03-01), Hollit et al.
patent: 5656009 (1997-08-01), Feng et al.
L.P. Hatch, "Ultimate Disposal of Radioactive Wastes," American Scientist, vol. 41, pp. 410-421 (1953).
R.E. Isaacson and L.E. Brownell, "Ultimate Storage of Radioactive Wastes in Terrestrial Environments," Management of Radioactive Wastes from Fuel Reprocessing, OECD Proceedings, Paris, pp. 953-986 (1972).
G.J. McCarthy and M.T. Davidson, "Ceramic Nuclear Waste Forms: I, Crystal Chemistry and Phase Formation," Bull. Am. Ceram. Soc., vol. 54, pp. 782-786 (1975).
R.W. Lynch, R.G. Dosch, B.T. Kenna, J.K. Johnstone, and E.J. Nowak, "The Sandia Solidification Process-A Broad Range Aqueous Waste Solidification Method," Proceedings of the IAEA Symposium on the Management of Radioactive Waste, IAEA-SM-207/75, Vienna, Austria, pp. 361-373 (Mar. 1976).
R. Roy, "Rational Molecular Engineering of Ceramic Materials," J. Am. Ceram. Soc., vol. 60, pp. 3580-35963 (1977).
A.E. Ringwood, "Safe Disposal of High Level Nuclear Reactor Wastes: A New Strategy," Australian National University Press, Canberra, Australia and Norwalk, CT (1978).
A.E. Ringwood, S.E. Kesson, N.G. Ware, W. Hibberson, and A. Major, "Immobilisation of High Level Nuclear Reactor Wastes in Synroc," Nature, vol. 278, pp. 219-223 (1979).
A.G. Solomah, T.M. Hare, and H. Palmour III, "Demonstration of the Feasibility of Subsolidus Sintering of Radwaste-Containing Synroc-B Composition," Nucl. Technol., vol. 49, pp. 183-185 (1980).
J. Campbell, C. Hoenig, F. Bazan, F. Ryerson, M. Guinan, R. Van Konynenburg, and R. Rozsa, "Properties of Synroc-D Nuclear Waste Form: A State-of-the-Art Review," UCRL-53240, pp. 1-23, Lawrence Livermore National Laboratory, Livermore, CA (Jan. 1982).
S.E. Kesson and A.E. Ringwood, "Safe Disposal of Spent Nuclear Fuel," Radioactive Waste Management and the Nuclear Fuel Cycle, vol. 4(2), pp. 159-174 (1983).
S.E. Kesson and A.E. Ringwood, "Immobilization of HLW in Synroc-E," Materials Research Society Symposium Proceedings, vol. 26, Scientific Basis for Nuclear Waste Management VII, G.L. McVay, ed., North-Holland, New York (1984), pp. 507-512.
F.W. Clinard, Jr., D.L. Rohr, and R.B. Roof, "Structural Damage in a Self-Irradiated Zirconolite-Based Ceramic," Nucl. Inst. And Meth. in Phys. Res. B1, pp. 581-586 (1984).
F.W. Clinard, Jr., "Self-Irradiation Effects in 238Pu-Substituted Zirconolite, I. Temperature Dependence of Damage," J. Nucl. Mater., vol. 126, pp. 245-254 (1984).
F.W. Clinard, Jr., R.J. Livak, L.W. Hobbs, and D.L. Rohr, "Structural Changes in 238Pu-Substituted Zirconolite on Recovery from the Metamict State," Materials Research Society Symposium Proceedings, vol. 50, Scientific Basis for Nuclear Waste Management IX, L.O. Werme, ed., Materials Research Society, Pittsburgh, PA (1985), pp. 371-378.
E.M. Foltyn, F.W. Clinard, Jr., J. Rankin, and D.E. Peterson, "Self-Irradiation Effects in 238Pu-Substituted Zirconolite: II. Effect of Damage Microstructure on Recovery," J. Nucl. Mater., vol. 136, pp. 97-103 (1985).
G.R. Lumpkin and R.C. Ewing, "Natural Pyrochlores: Analogues for Actinide Host Phases in Radioactive Waste Forms," Materials Research Society Symposium Proceedings, vol. 44, Scientific Basis for Nuclear Waste Management VIII, C.M. Jantzen, J.A. Stone, and R.C. Ewing, eds., Materials Research Society, Pittsburgh, PA (1985), pp. 647-654.
F.W. Clinard, Jr., "Review of Self-Irradiation Effects in Pu-Substituted Zirconolite," Ceramic Bulletin, vol. 65 No. 8, pp. 1181-1187 (1986).
A.G. Solomah, P.G. Richardson, and A.K. McIlwain, "Phase Identification, Microstructural Characterization, Phase Microanalyses and Leaching Performance Evaluation of Synroc-FA Crystalline Ceramic Waste Form," J. Nucl. Mater., vol. 148, pp. 157-165 (1987).
A.E. Ringwood, S.E. Kesson, K.D. Reeve, D.M. Levins, and E.J. Ramm, "Synroc," Chapter 4 in W. Lutze and R.C. Ewing, eds., Radioactive Waste Forms for the Future, North-Holland, New York (1988) pp. 233-250.
G.R. Lumpkin and R.C. Ewing, "Alpha-Decay Damage and Annealing Effects in Natural Pyrochlores: Analogues for Long-Term Radiation Damage Effects in Actinide, Pyrochlore Structure Types," Materials Research Society Symposium Proceedings, vol. 127, Scientific Basis for Nuclear Waste Management XII, W. Lutze and R.C. Ewing, eds., Materials Research Society, Pittsburgh, PA (1989), pp. 253-260.
F.W. Clinard, Jr., E.M. Foltyn, and R.C. Ewing, "Stored Energy in Natural Zirconolite and its Synthetic Counterpart after Alpha Recoil Self-Irradiation Damage," J. Nucl. Mater., vol. 185, pp. 202-207 (1991).
V.M. Oversby, R.A. Van Konynenburg, W.E. Glassley, and P.G. Curtis, "Immobilization in Ceramic Waste Forms of the Residues from Treatment of Mixed Wastes," Materials Research Society Symposium Proceedings, vol. 333, Scientific Basis for Nuclear Waste Management XVII, A. Barkatt and R.A. Van Konynenburg, eds., Materials Research Society, Pittsburgh, PA (1994), pp. 285-292.
R. Van Konynenburg, memorandum to Bill Halsey, "A Titanate Mineral Waste Form for Dismantled Weapons Plutonium," Lawrence Livermore National Laboratory, Livermore, CA (Feb. 10, 1994).
A. Jostsons, "Status of Synroc Development," Proc. of the 9th Pacific Basin Nuclear Conference, Sydney, Australia, May 1-6, 1994, Australian Nuclear Association, Inc., and the Institution of Engineers, Australia.
G.R. Lumpkin, K.P. Hart, P.J. McGlinn, and T.E. Payne, "Retention of Actinides in Natural Pyrochlores and Zirconolites," Radiochimica Acta 66/67, pp. 469-474 (1994).
A. Jostsons, A. Ridal, D.J. Mercer, and E.R. "Lou" Vance, "Experience Gained with the Synroc Demonstration Plant at Ansto and its Relevance to Plutonium Immobilization," pp. 347-358 in Final Proceedings, Plutonium Stabilization & Immobilization Workshop, CONF-951259, U.S. Department of Energy, Washington, D.C. (May 30, 1996).
B. Ebbinghaus, R. Van Konynenburg, E. Vance, A. Jostons, R. Anthony, C. Philip, and D. Wronkiewicz, "Status of Plutonium Ceramic Immobilization Processes and Immobilization Forms," pp. 253-261 in Final Proceedings, Plutonium Stabilization & Immobilization Workshop, CONF-951259, U.S. Department of Energy, Washington, D.C. (May 30, 1996).
B.B. Ebbinghaus, R.A. Van Konynenburg, J. M. Lawson, W. L. Close, P.G. Curtis, M.W.A. Stewart, E.R. Vance and M.L. Carter, "Progress on Ceramic Immobilized Forms for Pu Disposition", Presented at 20th Actinide Separations Conference, Ithaca, IL, USA, Jun. 13, 1996, (copy not provided).
A. Jostsons, E.R. Vance, R.A. Day, K.P. Hart and M.W.A. Stewart, "Surplus Plutonium Disposal Via Immobilisation in Synroc", presented at Specrum '96, International Topical Meeting on Nuclear and Hazardous Waste Management, pp. 2032-2039, Aug. 18-23, Seattle, WA, USA 1996.
B.B. Ebbinghaus, R.A. Van Konynenburg, H. Shaw, R. Ryerson, P.G. Curtis, W.L. Close, R. Burns, J.M. Lawson, E.R. Vance, M.W.A. Stewart, R.A. Day, M.J. Hambley, A. Brownscombe, J. Allender, T. Rankin, J. Congdon, E. Buck, A. Bakel, R. Putnam and A. Navrotsky, "Ceramic Formulation for the Immobilization of Plutonium", Presented at 21st Actinide Separations Conference, Charleston, SC, USA, Jun. 23-26, 1997.
Farmer, J.C., "U.S. Fissile Materials Disposition Program Form & Process Development Activities," UCRL-MI-127979, Lawrence Livermore National Laboratory, Livermore, CA (Jul. 1997), presentation: "Ceramic Formulation for the Immobilization of Plutonium" by B. Ebbinghaus, R. Van Konynenburg, E. Buck and L. Vance.
L.J. Jardine, G.A. Armantrout, W.L. Bourcier, W.A. Brummond, B. B. Ebbinghaus, H.F. Shaw, R.A. Van Konynenburg, and P. Zhao, "U.S.-Russian Experts NATO Collaborative Research Grant Exchange Visit Meetings on Excess Weapons Pu Ceramics Formulations and Characterizations," UCRL-ID-129328, Lawrence Livermore National Laboratory, Livermore, CA, relevant

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