Analysis of Radionuclides in Airborne Effluents from Coal-Fired Power Plants

  • G. Rosner
  • B. Chatterjee
  • H. Hötzl
  • R. Winkler


In order to assess the level of radioactivity emitted by coal-fired power plants in detail, specific activities of several radio-nuclides have been measured in samples from a coal-fired and a brown coal-fired plant in the Federal Republic of Germany. Samples measured included coal, brown coal, bottom ash, collected fly ash from the various electrostatic precipitator stages and sieve fractions of collected fly ash as well as samples of escaping fly ash taken from the exhaust stream, all taken simultaneously on three operating days. Nuclides measured were U-238, U-234, Th-232, Th-230, Th-228, Ra-226, Pb-210, Po-210 and K-40. Methods applied included (i) direct gamma spectrometry, (ii) radiochemical separation with subsequent alpha spectrometry and (iii) direct alpha spectrometry. Methods are described and discussed. Finally, annual emission rates of airborne radionuclides are calculated for both plants.


Brown Coal Alpha Spectrometry Quartz Wool Sieve Fraction High Purity Germanium Detector 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • G. Rosner
    • 1
  • B. Chatterjee
    • 1
  • H. Hötzl
    • 1
  • R. Winkler
    • 1
  1. 1.Gesellschaft für Strahlen- und Umweltforschung mbH MünchenInstitut für StrahlenschutzNeuherbergFed. Rep. Germany

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