Combustion Chracteristics of Biomass and Refuse Derived Fuel

바이오매스와 폐기물 고형연료의 연소특성

  • Gu, Jae-Hoi (Department of Environmental Engineering, Kongju National University) ;
  • Oh, Sea Cheon (Plant Engineering Center, IAE)
  • 구재회 (공주대학교 환경공학과) ;
  • 오세천 (고등기술연구원 플랜트엔지니어링센터)
  • Published : 2012.10.10


To verify the utilization of biomass as energy, the combustion characteristic has been studied by an experimental combustion furnace under an isothermal and non-isothermal combustion. The wood pellet, rice straw and rice husk were used as biomass samples in this work. The characteristics of emission gases, dusts and residues from biomass combustion have been analyzed and compared with those of reuse derived fuel (RDF). From isothermal combustion experiments, it was found that the incomplete combustion of rice straw was greater that that of rice husk, wood pellet and RDF. This is due to the fact that the combustion reaction rate of the rice straw was faster than that of other samples, and the oxygen concentration in rice straw combustion was rapidly decreasing. It was also found that $NO_{X}$ concentration of emission gas from wood pellet combustion was the lowest. From non-isothermal combustion experiments, it was found that all samples were burned before $900^{\circ}C$. Also, the temperature range of $NO_{X}$ emission was similar to that of CO emission, on the other hand, $SO_{2}$ was emitted at a higher temperature than that of CO emission.


wood pellet;rice straw;rice husk;reuse derived fuel;combustion


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