Dispersion modelling of natural radionuclides 238U, 232Th and 40K released from coal-fired power plants operations

• Type: Article in International Conference Proceedings Book
• Date: 2014

Authors

Maria de Lurdes Dinis (Author) FEUP; António Fiúza (Author) FEUP; Joaquim Góis (Author) FEUP; José Soeiro Carvalho (Author) FEUP; Ana Cristina Meira Castro (Author) FEUP

Conference proceedings International

Title: Uranium, Past and Future Challenges

Pages: 573-580

Proceedings of the 7th International Conference on Uranium Mining and Hydrogeology

Scientific classification

FOS: Natural sciences

CORDIS: Physical sciences > Computer science ; Physical sciences > Mathematics ; Technological sciences > Engineering ; Natural sciences > Environmental science

Other information

Authenticus ID: P-00N-ESZ

DOI: 10.1007/978-3-319-11059-2_65

Resumo (PT): The aim of this work was to simulate the radionuclides dispersion in the surrounding area of a coal-fired power plant, operational during the last 25 years. The dispersion of natural radionuclides (236Ra, 232Th and 40K) was simulated by a Gaussian plume dispersion model with three different stability classes estimating the radionuclides concentration at ground level. Measurements of the environmental activity concentrations were carried out by gamma-spectrometry and compared with results from the air dispersion and deposition model which showed that the stability class D causes the dispersion to longer distances up to 20 km from the stacks.

Abstract (EN): The aim of this work was to simulate the radionuclides dispersion in the surrounding area of a coal-fired power plant, operational during the last 25 years. The dispersion of natural radionuclides (236Ra, 232Th and 40K) was simulated by a Gaussian plume dispersion model with three different stability classes estimating the radionuclides concentration at ground level. Measurements of the environmental activity concentrations were carried out by gamma-spectrometry and compared with results from the air dispersion and deposition model which showed that the stability class D causes the dispersion to longer distances up to 20 km from the stacks.

Language: English

Type (Professor's evaluation): Scientific