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Related Experiment Videos

On the escaping radioactivity from coal power plants (CPP).

C Papastefanou, S Charalambous

    Health Physics
    |February 1, 1984
    PubMed
    Summary
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    Radioactivity from Greek coal power plants (CPP) primarily escapes as fine particles, mainly from the uranium series. This study quantifies the escaping 226Ra activity and assesses associated environmental hazards.

    Area of Science:

    • Environmental Science
    • Nuclear Chemistry
    • Atmospheric Science

    Background:

    • Coal power plants (CPP) are significant sources of airborne emissions.
    • Radioactivity, particularly from the uranium series, is present in coal and can be released during combustion.
    • Understanding the dispersion and impact of these emissions is crucial for environmental and public health.

    Purpose of the Study:

    • To quantify the radioactivity escaping from Greek coal power plants.
    • To investigate the physical form and dispersion patterns of radioactive emissions.
    • To evaluate the potential hazards associated with radioactivity release from CPP.

    Main Methods:

    • Analysis of radioactive content in coal and emissions.
    • Measurement of escaping radioactivity, specifically 226Ra.

    Related Experiment Videos

  • Modeling of particulate dispersion of fly ash around CPP stacks.
  • Risk assessment of radioactivity hazards.

    • Main Results:

    • The primary radioactivity source is the uranium series.
    • Approximately 99% of radioactivity escapes as very fine particles, with the remainder as fly ash.
    • Total escaping 226Ra activity is estimated at 40 Ci/yr.
    • Particulate dispersion patterns were described for sites surrounding CPP stacks.

    Conclusions:

    • Greek coal power plants release significant amounts of radioactivity, predominantly as fine particles.
    • The dispersion of fly ash and associated radioactivity poses potential environmental risks.
    • Further evaluation of the hazards from escaping radioactivity is warranted.