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An analysis of the radioactive contamination due to radon in a granite processing plant and its decontamination by ventilation.

Abstract：

:This work focuses on studying concentration distribution of 222Rn radioisotope in a granite processing plant. Using Computational Fluid Dynamic Techniques (CFD), the exposure of the workers to radiation was assessed and, in order to minimise this exposure, different decontamination scenarios using ventilation were analysed. Natural ventilation showed not sufficient to maintain radon concentration below acceptable limits, so a forced ventilation was used instead. Position of the granite blocks also revealed as a determining factor in the radioactive level distribution. Thus, a correct layout of the stored material and an adequate ventilation system can guarantee free of exposure to radiation zones within the studied workshop. This leads to a drastic fall in the exposure of the workers and consequently minimises their risk of developing aggressive illness like lung cancer.

journal_name

J Environ Radioact

journal_title

Journal of environmental radioactivity

authors

Dieguez-Elizondo PM,Gil-Lopez T,O'Donohoe PG,Castejon-Navas J,Galvez-Huerta MA

doi

10.1016/j.jenvrad.2016.11.016

subject

Has Abstract

pub_date

2017-02-01 00:00:00

pages

26-35

eissn

0265-931X

issn

1879-1700

pii

S0265-931X(16)30580-X

journal_volume

167

pub_type

杂志文章

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