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Radioactivity concentrations and risk assessment of Tekirdağ lignites (case study of Malkara coalfeld)

Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Malkara coals are located in the Oligocene-aged Danişmen Formation in the Thrace Tertiary coal basin. The Danişmen Formation consists of limestone, sandstone, tufte, siltstone, claystone and intercalated coal. Elemental and specifc natural radionuclide concentrations of lignites collected from Tekirdağ–Malkara coalfeld were determined, and the associated radiological risk was assessed. In order to examine the depth-dependent radionuclide concentration changes, samples were taken from top, middle and bottom parts of the boreholes. Gamma spectrometric measurements of radionuclide activities were performed with HPGe detector. The calculated mean 226Ra, 232Th and 40K concentrations were 27.0±3.57, 18.9±3.28 and 155±36.1 Bq kg−1, and the measured U, Th, Pb and K concentrations were 4.04, 6.27, 10.6 ppm and 0.82%, respectively. Findings were comparable with the reported literature for Turkey and other countries from the world. The dose due to the radionuclide content of lignites was not very high to pose a serious health risk.
Czasopismo
Rocznik
Strony
1411--1420
Opis fizyczny
Bibliogr. 44 poz.
Twórcy
  • Department of Construction Technology, Vocational School of Technical Sciences, Akdeniz University, Antalya, Turkey
  • Department of Geographical Information System, Vocational School of Technical Sciences, Akdeniz University, Antalya, Turkey
  • Department of Land Registry and Cadastre, Golhisar School of Applied Sciences, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
  • Nuclear Technology and Radiation Safety, Vocational School of Technical Sciences, Akdeniz University, Antalya, Turkey
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-ba0cd666-6477-46e1-a471-345e5c162ba3
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