Study on the aerosol generation of plutonium metal due to oxidation

Author:

Peng Xianxun,Ding Dexin

Abstract

AbstractTransuranic metals such as plutonium usually need to be protected in inert gases to inhibit oxidation and produce aerosols. In the paper, the oxidation reaction process of plutonium was depicted based on the point defect model. The aerosol generation rate was approximated to the oxidation rate of plutonium when the oxidation layer keeps constant. The results show that the rate is strongly dependent on the vacancy diffusivity and reaction rate constant of the vacancy generation and consumption. The aerosol generation rate at the temperature of 298 K is in the order of 108 particles/cm2/s.

Publisher

Springer Science and Business Media LLC

Subject

Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health,Spectroscopy,Pollution,Radiology, Nuclear Medicine and imaging,Nuclear Energy and Engineering,Analytical Chemistry

Reference12 articles.

1. Haschke JM, Allen TH, Morales LA (2000) Surface and corrosion chemistry of plutonium. Los Alamos Sci 26(2):252–273

2. Handbook, D. O. E. (1994) Primer on spontaneous heating and pyrophoricity. US Department of Energy, Washington, p 20585

3. ANL Human Health Fact Sheet—Plutonium (2001) (PDF). Argonne National Laboratory

4. Haschke JM (1992) Evaluation of source-term data for plutonium aerosolization. No. LA-12315-MS. Los Alamos National Laboratory, NM, United States

5. DOE, US (1994) Assessment of plutonium storage safety issues at Department of Energy facilities, DOE/DP-0123T

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