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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2006.6
- 수록면
- 19 - 26 (8page)
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The decomposition of gaseous CH₃CHO was investigated by metal loaded TiO₂ (pure TiO₂, Pt/TiO₂, Pd/TiO₂, Mn/TiO₂ and Ag/TiO₂) with UV/TiO₂ process and UV/TiO₂/O₃ process at room temperature and atmospheric pressure. Metal loaded TiO₂ was prepared by photodeposition. Decomposition of CH₃CHO was carried out in a flow-type photochemical reaction system using three 10 W black light lamps (300~400 ㎚) as a light source. The experimental results showed that the degradation rate of CH₃CHO was increased with Pt and Ag on TiO₂ compared to pure TiO₂, but decreased with depositing Pd and Mn on pure TiO₂. The considerable increase in the degradation efficiency of the CH₃CHO was found by a combination of photocatalysis and ozonation as compared to only by ozonation or photocatalysis. Loading of Pt on TiO₂ promoted conversion of gaseous ozone. The degradation rate of gaseous CH₃CHO decreased with an increase of water vapor in the feed stream for the both UV/TiO₂ and UV/TiO₂/O₃ processes. The pure TiO₂ was more affected by the water vapor than Pt loaded TiO₂.
목차
Abstract
1. INTRODUCTION
2. EXPERIMENTAL
3. RESULTS AND DISCUSSION
4. CONCLUSIONS
ACKNOWLEDGEMENT
REFERENCES
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