Journal of Energy Engineering (에너지공학)

The Korean Society for Energy (한국에너지학회)
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SNG Production from Wood Biomass with Dual Fluidized-Bed Gasifier

목재 바이오매스를 활용한 이중유동층 가스화기의 SNG 생산

  • Received : 2016.10.04
  • Accepted : 2016.12.12
  • Published : 2016.12.30
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Abstract

Gasification is one of the important contribution to resource recycling by conversion of biomass to a variety of energy sources such as alcohol, SNG etc., and to global warming prevention by reduction of green house gases such as $CO_2$. The aim of this study is to draw the optimal operation condition of dual fluidized-bed gasifier with biomass fuel, to verify SNG production efficiency and to establish the basis for the domestic commercialization of dual fluidized bed gasification. As a result, dual fluidized-bed gasifier has the optimal conditions at $826^{\circ}C$ with steam input 1,334 g/hr, air input 5.56 L/min. The carbon conversion is 81% and SNG production efficiency was $CH_4$ 92%.

목재 바이오매스를 이용한 가스화 공정은 고열량의 합성가스를 통해 알콜류, SNG 등 다양한 에너지 자원으로 변환시킴으로써 자원의 재순환에 기여할 수 있으며, $CO_2$ 등의 온실가스를 감소시킴으로써 지구온난화 방지에 기여할 수 있다. 본 연구에서는 이중유동층 가스화기에 목재 바이오매스를 투입하여 가스화기의 최적운전 조건을 도출하고, SNG 생산효율을 검증함으로써 이중유동층 가스화기에 대한 국내 상용화 기반을 마련하고자 하였다. 목재 바이오매스에 대한 가스화기의 최적 운전조건 도출 결과, 운전온도 $826^{\circ}C$에서 Steam 투입량 1,334g/hr, Air 투입량 5.56L/min일 때 탄소전환율이 81%로 확인되었으며, SNG 생산을 위한 $CH_4$가스 농도를 확인한 결과, 92%로 나타났다.

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References

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