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The experiment presented in this report was performed in a simulated aircraft cabin to evalu-ate the air cleaning effects of two air purification devices using Photocatalytic Oxidation (PCO) technology. Objective physical, chemical and physiological measurements and subjec-tive human assessments were used for the evaluation. Comparisons were made between con-ditions with and without the PCO units installed in the re-circulated air system. Four groups of 17 subjects were exposed for 7 hours to each test condition. Chemical analysis indicates that Ethanol, Isoprene and Toluene were decomposed by oxida-tion in the PCO units tested. However, some intermediate products, such as Formaldehyde and Acetaldehyde, were detected. Physiological measurements did not show any significant effects of the two PCO units. Both positive and negative effects of using PCO units on subjec-tive assessments were observed after the first 3¼ hours of exposure. After 6 hours of expo-sure, a positive effect of using either PCO units on symptoms of dizziness and claustrophobia were observed.
|Title of host publication||Proceedings of the 10th International Conference on Indoor Air Quality and Climate - Indoor Air 2005|
|Place of Publication||Beijing|
|Publisher||Tsinghua University Press|
|Publication status||Published - 2005|
|Event||10th International Conference on Indoor Air Quality and Climate - Beijing, China|
Duration: 4 Sep 2005 → 9 Sep 2005
Conference number: 10
|Conference||10th International Conference on Indoor Air Quality and Climate|
|Period||04/09/2005 → 09/09/2005|
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