Abstract
The objective of the present work is to evaluate the emission of dangerous chemical substances upon depressurization and partial or complete rupture of a container holding depleted or natural uranium hexafluoride. An algorithm is presented for calculating the emissions of dangerous chemical substances during emergencies which are not associated with fires or explosions. The expressions for evaluating the emissions in the primary cloud and during stationary emission, which include a dependence on the state parameters of atmospheric air – temperature, pressure, moister content, and wind velocity – are obtained. The assessment of the stationary emission is based on an analysis of the heterogeneous chemical reaction of water vapor with the solid surface of uranium hexafluoride.
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