ANALYSIS OF NATURAL RADIONUCLIDES IN COAL, SLAG AND ASH IN COAL-FIRED POWER PLANTS IN SERBIA

被引：22

作者：

Jankovic, M. M. ^{[1
]}

Todorovic, D. J. ^{[1
]}

Nikolic, J. D. ^{[1
]}

机构：

[1] Univ Belgrade, Inst Vinca, Radiat & Environm Protect Dept, Belgrade 11001, Serbia

来源：

JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY | 2011年 / 47卷 / 02期

关键词：

Radioactivity; Coal; Ash; Slag; RADIATION; RADIOACTIVITY; INDIA; SOIL;

D O I：

10.2298/JMMB110208008J

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The radioactivity monitoring in the "Nikola Tesla", "Kolubara", "Morava" and "Kostolac" coal-fired power plants was performed by the Radiation and Environmental Protection Laboratory, Vinca Institute of nuclear sciences in the period 2003-2010. Monitoring included the analysis of soil, water, flying ash, slag, coal and plants. This paper presents the results of the radioactivity analysis of coal, ash and slag samples. Naturally occurring radionuclides Ra-226, Th-232, K-40, U-235, U-238, and Pb-210 as well as the man-made radionuclide Cs-137 were determined by gamma spectrometry using HPGe detector. The concentrations of pairs of radionuclides were statistically tested to determine the corellation between them. Based on the obtained results, health effect due to the activity of these radionuclides was estimated via radium equivalent (Ra-eq), external hazard index (H-ex), external gamma absorbed dose rate ((D) over dot) and annual effective dose.

引用

页码：149 / 155

页数：7

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