The Solubility Of The Aerosol, Cs-137 And Co-60 Carrier, In The Ignalina Nuclear Power Plant Region
APPLIED RADIATION AND ISOTOPES(2008)
摘要
The dissolution of aerosol particles, carrier of Cs-137 and Co-60, sampled on filters is studied by means of a leaching test with distilled water. Samples were collected from the ventilation stack of the operating Ignalina Nuclear Power Plant (NPP) reactor, the shut down reactor and in the ground-level air. The insolubility in water of radionuclides attached to aerosol particles sampled on filters, collected in the operating Unit 2 reactor effluents, is clearly lower than the insolubility in water of radionuclides attached to aerosol particles sampled on filters, collected in the ground-level air. The mean rate of the change in the insolubility in water of Co-60 and Cs-137 attached to aerosol particles, released from the Ignalina NPP and registered at a 3.5 km distance from the NPP, is estimated. The radionuclide activity concentration distribution in the ground-level air is calculated in respect of the insolubility in water of Co-60 attached to aerosol particles and compared with experimental data. (C) 2008 Elsevier Ltd. All rights reserved.
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关键词
Ignalina NPP,Modelling (regional),Radioactive aerosol,Leaching,Solubility
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