Hostname: page-component-586b7cd67f-rcrh6 Total loading time: 0 Render date: 2024-11-25T17:28:52.991Z Has data issue: false hasContentIssue false
  • English
  • Français

Gas generation from water adsorbed onto pure plutonium dioxide powder

Published online by Cambridge University Press:  26 February 2011

Kirk Veirs
Kirk Veirs*
Affiliation:
[email protected], Los Alamos National Laboratory, Nuclear Materials Technology, PO Box 1663, MS E505, Los Alamos, NM, 87545, United States, 5056679291
Get access

Abstract

The production of H2 from alpha-particle radiolysis of water adsorbed onto plutonium dioxide powders has been studied. Plutonium dioxide powders with specific surface areas of 1.0 and 21 m2/g were used. The specific surface area strongly affects the amount of water adsorbed. At water coverage between 1 and 2 monolayers the H2 yield per unit of energy deposited into the water is found to be between 0.05 and 0.13 molecules of H2 per 100 eV adsorbed dose (5 to 12 nmols/s W). The H2 yield increases to between 0.29 and 0.58 molecules per 100 eV adsorbed dose (28 to 56 nmol/s W) when the number of adsorbed monolayers of water is between 10 and 20. The latter H2 yield is similar to that of liquid water of 0.45 molecules per 100 eV adsorbed dose

Keywords

Puradiation effectsactinide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 893: Symposium JJ – Actinides 2005 – Basic Science, Applications and Technology , 2005 , 0893-JJ07-03
Copyright
Copyright © Materials Research Society 2006

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1 Paffett, M. T., Kelly, D., Joyce, S. A., Morris, J., Veirs, K., “A critical examination of the thermodynamics of water adsorption on actinide oxide surfaces”, J. Nuc. Mat. 322, 45–56 (2003).10.1016/S0022-3115(03)00315-5Google Scholar
2 DOE-STD-3013-2000, “Stabilization, packaging, and storage of plutonium-bearing materials”, U.S. Department of Energy, Washington, D.C..Google Scholar
3 Vladimirova, M. V., Kulikov, I. A., “Formation of H2and O2 in Radiolysis of Water Sorbed on PuO2”, Radiochemistry 44, 86–90 (2002)10.1023/A:1014839621040Google Scholar
4 LaVerne, J. A. and Tandon, L.,: “H2 Production in the Radiolysis of Water on CeO2 and ZrO2 ”, J. Phys. Chem. B 106, 380–386 (2002) and “H2 Production in the Radiolysis of Water on UO2 and Other Oxides”, J. Phys. Chem. B 107, 13623–13628 (2003).10.1021/jp013098sGoogle Scholar
5 Machuron-Mandard, X. and Madic, C., “Plutonium dioxide particle properties as a function of calcinations temperature”, J. Alloys and Compounds 235, 216–224 (1996).Google Scholar
6 Farr, J. Douglas, Schulze, Roland K., and Neu, Mary P., “Surface chemistry of Pu oxides”, J. Nucl. Mat. 328, 124–136 (2004).10.1016/j.jnucmat.2004.04.001Google Scholar
7 Vladimirova, M. V. and Kulikov, I. A., “Formation of H2 and O2 in Radiolysis of Water Sorbed on PuO2”, Radiochemistry 44, 86–90 (2002).10.1023/A:1014839621040Google Scholar