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Effect of Operation Conditions on Pyrolysis of Larch Sawdust in a Bubbling Fluidized Bed

기포유동층 반응기를 이용한 낙엽송 톱밥의 열분해 특성

  • Yoo, Kyung-Seun (Department of Environmental Engineering, Kwangwoon University) ;
  • Eom, Min-Seop (Department of Environmental Engineering, Kwangwoon University) ;
  • Lee, See Hoon (Department of Mineral Resources and Energy Engineering, Chonbuk National University)
  • 유경선 (광운대학교 환경대학교) ;
  • 엄민섭 (광운대학교 환경대학교) ;
  • 이시훈 (전북대학교 자원에너지공학과)
  • Received : 2016.06.29
  • Accepted : 2016.07.15
  • Published : 2016.10.10

Abstract

In this study, a bubbling fluidized bed pyrolyzer (0.076 m I.D. and 0.8 m high) was employed to investigate the fast pyrolysis characteristics of larch sawdust which is abundant in Korea. The effects of operation conditions, such as bed temperature ($350-550^{\circ}C$), fluidization velocity ratio ($U_o/U_{mf} $: 2.0-6.0) and feeding rate (2.2-7.0 g/min) on product yields and their chemical components were studied. The number of chemical compounds in the bio-oil decreased with the increasing bed temperature because of secondary pyrolysis. The effects of the Uo/Umf ratio and feeding rate on bio-oil compositions were relatively lower than those of the bed temperature.

Acknowledgement

Supported by : National Research Foundation of Korea (NRF), National Research Council of Science & Technology (NST)

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