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Development of a radon trap device using a corona discharge
Yuji Yamada1, Akira Koizumi, Koji Ishikawa
1National Institute of Radiological Sciences, 4-9-1 Anagawa, Chiba 263-8555, Japan. yj_yamad@nirs.go.jp
Radiation Protection Dosimetry
|June 16, 2005
Summary
Radon, a noble gas, unexpectedly reacted with fluorine under corona discharge. This novel reaction efficiently traps radon, offering a potential method for reducing radon contamination in air.
Area of Science:
- Chemistry
- Noble Gas Chemistry
- Environmental Science
Background:
- Radon is a chemically inert noble gas.
- Noble gases typically do not form reactants under normal conditions.
Purpose of the Study:
- To investigate the reaction between radon and fluorine.
- To explore the use of corona discharge as a promoter for noble gas reactions.
- To assess the potential for radon trapping and air purification.
Main Methods:
- Exposure of radon to fluorine gas.
- Application of corona discharge as a reaction promoter.
- Measurement of radon concentration changes.
- Estimation of trap efficiency.
Main Results:
- Demonstrated an enigmatic reaction between radon and fluorine.
- Observed distinctive changes in radon concentrations due to corona discharge.
- Estimated a trap efficiency exceeding 99.5% for radon.
- Confirmed reasonable mass balance, indicating chemical reaction.
Conclusions:
- The study indicates the existence of chemical reactions involving radon and fluorine.
- The observed radon trapping phenomenon has practical applications for reducing radon levels in contaminated air.
- The technique may be applicable to other noble gases.