Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Decomposition of Odor Pollutant Acetaldehyde Using Mn Loaded Microporous Zeolites

Mn 담지 미세기공 제올라이트를 이용한 악취오염물질인 아세트알데히드의 분해반응

  • Lee, Hyung Won (School of Environmental Engineering, University of Seoul) ;
  • Lee, Heejin (School of Environmental Engineering, University of Seoul) ;
  • Park, Young-Kwon (School of Environmental Engineering, University of Seoul)
  • 이형원 (서울시립대학교 환경공학부) ;
  • 이희진 (서울시립대학교 환경공학부) ;
  • 박영권 (서울시립대학교 환경공학부)
  • Received : 2019.12.30
  • Accepted : 2020.01.04
  • Published : 2020.02.10
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Abstract

An acetaldehyde, a representative food waste odor, was decomposed using a hybrid system comprised of a non-thermal plasma and catalyst at an ambient temperature under high humidity. A five wt.% Mn was impregnated on two differently structured microporous zeolites, namely Beta and ZSM-5, with a different molar ratio of SiO2/Al2O3. Under high humidity conditions, the acetaldehyde degradation was higher in zeolites with the high ratio of SiO2/Al2O3. Among studied catalysts, a five wt.% Mn/Beta (SiO2/Al2O3 = 300) showed the highest acetaldehyde removal activity owing to its high hydrophobicity and reducibility. During long term stability test using the same catalyst for 110 hours, the acetaldehyde removal activity was relatively well-maintained.

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References

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