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Izvestiya, Atmospheric and Oceanic Physics

, Volume 54, Issue 7, pp 667–677 | Cite as

Processes of Formation of Beryllium Hydroxide Aerosols and Assessment of Ecological Risks Arising during Their Emissions to the Environment

  • Yu. I. ObvintsevEmail author
  • D. P. GubanovaEmail author
  • V. M. MinashkinEmail author
Article
  • 4 Downloads

Abstract

The processes leading to the formation of toxic beryllium-containing aerosol particles at the stages of beryllium hydroxide production using a new innovative technology of ore processing at the Ermakovskoe deposit are considered. In order to create a conceptual structure of experimental samples of the units for control emissions and discharges of pollutants in the production of beryllium hydroxide, the processes of aerosol formation at various technological stages of beryllium production have been studied. A diffusion model is proposed for droplet evaporation during the leaching and hydrolysis of beryllium concentrates, which makes it possible to determine the rate of evaporation, temperature, size, and lifetime of a droplet depending on the environmental conditions. The results of model calculations (for the diffusion model) of the dispersed composition of beryllium-containing aerosol particles are presented. The most hazardous stages of emissions and discharges of beryllium-containing aerosols in the production of beryllium hydroxide according to a new technology have been identified; the ecological risks arising during emissions of aerosol particles into the atmosphere are assessed.

Keywords:

beryllium-containing aerosol particles dispersed composition mechanism of aerosol formation beryllium hydroxide droplet evaporation diffusion model ecological risks 

Notes

ACKNOWLEDGMENTS

This work was performed under the Development and Production of Experimental Samples of Units Controlling Emissions and Discharges of Pollutants in the Production of Beryllium Hydroxide (Agreement no. 14.579.21.0098 on Granting a Subsidy, unique identifier RFMEF157915X0098) implemented in accordance with the Federal Targeted Program Research and Developments in the Priority Areas of Development of the Russian Scientific and Technological Complex for 2014–2020.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Karpov Research Physicochemical Institute, State Scientific Center of the Russian Federation, State Atomic Energy Corporation RosatomMoscowRussia
  2. 2.Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesMoscowRussia

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