Journal of environmental and Sanitary engineering (환경위생공학)

Korean Society for Environmental Sanitary Engineers (대한환경위생공학회)
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Effect of Removal Efficiency of Formaldehyde by Input Coating Concentration of Photocatalyst - with Study of Standardization of Coating Thickness -

광촉매 코팅농도가 포름알데히드 제거능에 미치는 효과 - 코팅 두께 표준화 연구를 중심으로 -

  • Park Young G. (Department of Chemical Engineering, Daejin University) ;
  • Han Man-So (Department of Chemistry Daejin University)
  • Published : 2005.12.01
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Abstract

Photocatalytic degradation using $TiO_2$ Particles suspended in a reactor was experimentally performed to degrade the formaldehyde of indoor pollutants. Exponential increase of degradation appears to prove light availability due to the scattering of W light by particles themselves. Comparative removal studies of formaldehyde were done in both cases of dipping and spraying immobilized techniques of $TiO_2$ Particles suspended in solution. Experiments were performed under several different experimental conditions such as initial concentration of formaldehyde, UV intensity and concentration of photocatalysts. Optimal conditions to degrade formaldehyde were obtained under the conditions of $30\;mg/cm^2$ concentration of catalyst and UV intensity of 30 Watt at the distance of 30 cm using immobilized technique by dipping coating.

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References

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