Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Ex-situ Catalytic Pyrolysis of Korean Native Oak Tree over Microporous Zeolites

미세기공 제올라이트를 이용한 국내 수종 굴참나무의 간접 촉매 열분해

  • Kim, Young-Min (School of Environmental Engineering, University of Seoul) ;
  • Kim, Beom-Sik (School of Environmental Engineering, University of Seoul) ;
  • Chea, Kwang-Seok (School of Environmental Engineering, University of Seoul) ;
  • Jo, Tae Su (National Institute of Forest Science) ;
  • Kim, Seungdo (Department of Environmental Sciences and Biotechnology, Hallym University) ;
  • Park, Young-Kwon (School of Environmental Engineering, University of Seoul)
  • 김영민 (서울시립대학교 환경공학부) ;
  • 김범식 (서울시립대학교 환경공학부) ;
  • 채광석 (서울시립대학교 환경공학부) ;
  • 조태수 (국립산림과학원 바이오에너지연구센터) ;
  • 김승도 (한림대학교 환경생명공학과) ;
  • 박영권 (서울시립대학교 환경공학부)
  • Received : 2016.05.26
  • Accepted : 2016.06.01
  • Published : 2016.08.10
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Abstract

Ex-situ catalytic pyrolysis of a Korean native oak tree over microporous zeolites (HZSM-5, HBeta, and HY) was performed by using a fixed bed reactor. The effect of sample to catalyst ratio and reaction temperature was also investigated to optimize production conditions of high quality bio-oil. Among three catalysts, HZSM-5 showed the highest aromatic formation due to its proper pore size and strong acidity. Although HY and HBeta also showed the catalytic activity, they produced larger amounts of coke due to their larger pore size. The smaller ratio of the sample to the catalyst and higher reaction temperature were also required to maximize the yields of aromatic hydrocarbons via the catalytic pyrolysis of oak tree over HZSM-5.

고정층 반응기를 이용하여 제올라이트(HZSM-5, HBeta, HY) 상에서 국내 수종 굴참나무의 간접 촉매 열분해를 수행하였다. 고품질 바이오오일 생산 최적 조건을 도출하기 위해 시료와 촉매의 비율과 반응 온도의 영향 또한 고찰하였다. 세 종의 촉매 중에서 HZSM-5가 적절한 기공크기와 강한 산도로 인해 가장 높은 방향족 화합물 형성능을 나타내었다. HY와 HBeta 또한 촉매능을 가졌으나, 큰 기공크기로 인해 많은 양의 코크가 형성되었다. HZSM-5 상에서 참나무의 촉매 열분해를 통해 방향족 화합물의 수율을 극대화하기 위해서는 낮은 시료/촉매비와 높은 반응 온도가 요구됨을 확인하였다.

Keywords

References

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