Monitoring of radionuclide migration around Kolaghat thermal power plant, West Bengal, India

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• 作者：Kajori Parial ; R. Guin ; S. Agrahari…
• 关键词：Radium equivalent activity ; Thermal power plant ; Fly ash ; Soil contamination ; Contaminant migration
• 刊名：Journal of Radioanalytical and Nuclear Chemistry
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：307
• 期：1
• 页码：533-539
• 全文大小：911 KB
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• 作者单位：Kajori Parial (1)
  R. Guin (2)
  S. Agrahari (1)
  D. Sengupta (1)
  
  1. Department of Geology and Geophysics, Indian Institute of Technology Kharagpur, Kharagpur, India
  2. Accelerator Chemistry Section, Radiochemistry Division (BARC), Variable Energy Cyclotron Centre (VECC), Kolkata, 700064, India
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Nuclear Chemistry
  Physical Chemistry
  Nuclear Physics, Heavy Ions and Hadrons
  Diagnostic Radiology
  Inorganic Chemistry
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1588-2780

文摘

Coal based power accounts for 70 % of energy generation in India. In this study, radiological characterization around Kolaghat Thermal Power Plant was undertaken. Radiochemical analysis of coal, ash and soil samples was performed using High purity germanium (efficiency 50 %). The characterization was done based on ‘Radium equivalent activity’, dose rate and hazard index. High radioactivity was observed within a radius of 500 m from the ash ponds and it decreased beyond 500 m. The overall radioactivity of the area was observed ~3–4 times higher than the prescribed limit, and the hazard index was estimated as unity.