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J Radiol Prot. 2012 Sep;32(3):289-300. doi: 10.1088/0952-4746/32/3/289. Epub 2012 Jul 19.

Analysis of radon reduction and ventilation systems in uranium mines in China.

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1
Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, People's Republic of China.

Abstract

Mine ventilation is the most important way of reducing radon in uranium mines. At present, the radon and radon progeny levels in Chinese uranium mines where the cut and fill stoping method is used are 3-5 times higher than those in foreign uranium mines, as there is not much difference in the investments for ventilation protection between Chinese uranium mines and international advanced uranium mines with compaction methodology. In this paper, through the analysis of radon reduction and ventilation systems in Chinese uranium mines and the comparison of advantages and disadvantages between a variety of ventilation systems in terms of radon control, the authors try to illustrate the reasons for the higher radon and radon progeny levels in Chinese uranium mines and put forward some problems in three areas, namely the theory of radon control and ventilation systems, radon reduction ventilation measures and ventilation management. For these problems, this paper puts forward some proposals regarding some aspects, such as strengthening scrutiny, verifying and monitoring the practical situation, making clear ventilation plans, strictly following the mining sequence, promoting training of ventilation staff, enhancing ventilation system management, developing radon reduction ventilation technology, purchasing ventilation equipment as soon as possible in the future, and so on.

PMID:
22809776
DOI:
10.1088/0952-4746/32/3/289
[Indexed for MEDLINE]
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