선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- For the laboratory experiment, two parameters (HD and LT) were tested for the PCO efficiencies of bioaerosol disinfection under four reactor conditions (an uncoated (no titania) reactor with turning UV lamp off, an uncoated reactor with turning UV lamp on, TiOz-coated reactor with UV lamp off, and TiOi-coated reactor with UV lamp on). Based on the laboratory experiment, the field experiment was conducted under two reactor conditions 0이y (Ti02-coated reactor with UV lamp off and TiO2-coated reactor with UV lamp on). Three HDs (5.
- The laboratory test focuses on total bacteria and total fungi, while the flower garden test focuses on four major fungal species (Aspergillus, Alternaria, Cladosporium, and Penicillium) as well as total bacteria and t이al fungi. Contrast to the total bacterial and total fungal tests which examined two parameters (HD and LT) for disinfection efficiency, the fungal species tests were conducted to examine the LT effects only, by fixing HD to 20 mm. Laboratory or flower garden indoor air stream was drawn to the PCO reactor, and the bioaerosol samples were collected at the PCO reactor inlet prior to and outlet one hour after operating the PCO reactor.
- These two environments were selected to maximize the concentration range of bioaerosols at inlet of the PCOI8). For the laboratory experiment, two parameters (HD and LT) were tested for the PCO efficiencies of bioaerosol disinfection under four reactor conditions (an uncoated (no titania) reactor with turning UV lamp off, an uncoated reactor with turning UV lamp on, TiOz-coated reactor with UV lamp off, and TiOi-coated reactor with UV lamp on). Based on the laboratory experiment, the field experiment was conducted under two reactor conditions 0이y (Ti02-coated reactor with UV lamp off and TiO2-coated reactor with UV lamp on).
- The evaluation included both laboratory and field tests and the tests of hydraulic diameter (HD) and lamp type (LT). The effect of HD on photocatalytic oxidation (PCO) destruction efficiency was tested since UV intensity on the reactor surface is an important parameter15* and varies with the HD of the PCO reactor for an identical UV lamp.
대상 데이터
- 1. The PCO reactors used in this investigation had annular geometries. The reactor consisted of a Pyrex tube coated on the inner surface with a thin film of the TiO? photocatalyst (20% Degussa P-25 slurry).
- The PCO reactors used in this investigation had annular geometries. The reactor consisted of a Pyrex tube coated on the inner surface with a thin film of the TiO? photocatalyst (20% Degussa P-25 slurry). The coated reactor is dried for an hour at room temperature and baked for 30 min at 450 ℃.
- Based on the laboratory experiment, the field experiment was conducted under two reactor conditions 0이y (Ti02-coated reactor with UV lamp off and TiO2-coated reactor with UV lamp on). Three HDs (5.0, 20, and 45 mm) were tested using two lamps (germicidal and fluorescent lamps. The UV radiation is supplied by an 4-W germicide lamp (SANKYO DENKI, F40T8GL) or an 8-W fluorescent black light (SANKYO DENKI F8T5/BLB) with a maximum spectral intensity at 352 nm.
- Three reactors with different HDs (5, 20, and 45 mm) were tested as regards the PCO efficiencies for bioaerosols. Table 1 displays the removal efficiencies for bacteria obtained from a university laboratory.
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