UV-C燈具應用於空氣品質改善的可行性分析

林芳正

doi:10.6841/NTUT.2014.00705

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College of Mechanical and Electrical Engineering > Master's Program, Department of Air-conditioning and Refrigeration Engineering
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UV-C燈具應用於空氣品質改善的可行性分析

Feasibility Analysis of UV-C lamps used in air quality improvement

林芳正 , Masters　　Advisor：李文興　　Co-advisor ：卓清松

繁體中文 DOI： 10.6841/NTUT.2014.00705

UV-C ；紫外光；揮發性有機氣體；室內空氣淨化； UV-C ； UV light ； volatile organic gas ； indoor air purification

Abstract │ Reference (49) │ Altmetrics

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The purpose of this study is twofold: to explore whether there are other applications of advanced technologies in addition to the titanium dioxide photocatalyst technology among current commercially available photochemical bond dissociation technologies considering the increasing focus on air quality in Taiwan’s regulatory requirements and to examine the viability of the proposed technology for air purification as well as whether it generates secondary pollutants. As organic gases like formaldehyde, toluene and acetone as well as carbon dioxide are the most common pollutants that affect indoor air quality, this study investigates these four pollutants as primary research targets using an air processing system that can control temperature, air volume and in-system air speed and is installed with UV-C lamp equipment for air purification and consequent removal of pollutants. Experiment results show that the UVC lamps can most effectively remove formaldehyde, followed by toluene, acetone and carbon dioxide. The actual removal rates after the UVC lamps have operated for 4 hours are 60.9%, 48.7%, 41.6% and 18%, respectively, indicating that UVC lamps can achieve better pollutant removal rates when they are applied in operating areas with normal temperature conditions and low air speeds. This study confirms that the use of UVC lamps can effectively remove pollutants. This discovery will significantly improve the viability of UVC lamps in future applications.

Reference ( 49 ) 〈TOP〉

[1] Destaillats, H., M. Sleiman, D. P. Sullivan, C. Jacquiod, J. Sablayrolles, L. Molins, “Key parameters influencing the performance of photocatalytic oxidation (PCO) air purification under realistic indoor conditions,” Applied Catalysis B: Environmental 128, 159-170(2012)
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[2] Filtration+Separation, 2013, “Practical filtration: Improving indoor air quality,” January/February 34-35
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[3] Gilbert, N. L., M. Guay, D. Gauvin, R. N. Dietz,C. C. Chan, B. Levesque, “Air change rate and concentration of formaldehyde in residential indoor air,” Atmospheric Environment 42, 2424–2428(2008)
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[4] Katsoyiannis, A. and C. Bogdal, “Interactions between indoor and outdoor air pollution – Trends and scientific challenges,” Environmental Pollution 169, 150-151(2012)
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[5] Kolarik, B., P. Wargocki, A. Skorek-Osikowska, A. Wisthaler, “The effect of a photocatalytic air purifier on indoor air quality quantified using different measuring methods,” Building and Environment 45, 1434–1440(2010)
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