全国发电用煤天然放射性核素含量调查分析

Abstract

Abstract: Based on the analysis of the data obtained from coal mines and related literature, it is found that in 2013, the natural radionuclide content of ²³⁸U, ²²⁶Ra, ²³²Th, ⁴⁰K, ²¹⁰Po, and ²¹⁰Pb for coal samples is 29.2±2.9 Bq/kg, 25.2±2.1 Bq/kg, 26.9±0.1 Bq/kg, 64.0±0.6 Bq/kg, 20.7±0.2 Bq/kg and 24.6±0.3 Bq/kg respectively based on weighted average of annual production; while the natural radionuclides content for coal samples is 33.9±9.7 Bq/kg, 30.9±7.9 Bq/kg, 28.5±4.2 Bq/kg, 79.7±20.4 Bq/kg, 26.8±4.3 Bq/kg and 33.9±7.7 Bq/kg respectively based on the weighted average of coal mine scale. The results of this survey can provide basic data for a comprehensive evaluation of the radioactive impact of Chinese coal power industry chain on the natural radioactive level of coal power generation.

Key words: coal used for power generation, natural radionuclides, investigation and analysis

CLC Number:

X837

WANG Shaolin, CHEN Ling, BAI Xiangfei, TUO Fei, CHEN Faguo, CAO Zhonggang. Investigation and analysis of natural radionuclides content in coal used for power generation in China[J].RADIATION PROTECTION, 2023, 43(5): 478-484.

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Investigation and analysis of natural radionuclides content in coal used for power generation in China

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