Journal of the Korean Institute of Gas (한국가스학회지)

The Korean Institute of GAS (한국가스학회)
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Techno-economic Analysis(TEA) on Hybrid Process for Hydrogen Production Combined with Biomass Gasification Using Oxygen Released from the Water Electrolysis Based on Renewable Energy

재생에너지기반 수전해 생산 수소와 바이오매스 가스화 하이브리드 공정의 기술 경제성 분석

  • Park, Sungho (Plant engineering center, Institute of Advanced Engineering(IAE)) ;
  • Ryu, JuYeol (Plant engineering center, Institute of Advanced Engineering(IAE)) ;
  • Sohn, Geun (Plant engineering center, Institute of Advanced Engineering(IAE))
  • 박성호 (고등기술연구원 플랜트엔지니어링 센터) ;
  • 류주열 (고등기술연구원 플랜트엔지니어링 센터) ;
  • 손근 (고등기술연구원 플랜트엔지니어링 센터)
  • Received : 2020.08.07
  • Accepted : 2020.10.26
  • Published : 2020.10.31
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Abstract

To reduce the hydrogen production cost through the utilizing the oxygen and improving the capacity factor of water electrolysis used to energy storage of renewable energy, the hybrid hydrogen production process which has dual operating concept of using the water electrolysis as energy storage and oxygen production process for biomass gasification was proposed. Moreover, Techno-economic analysis on this system was quantitatively performed.

본 연구에서는 재생에너지원의 에너지저장기술(Power to gas, P2G)로써 활용되는 수전해기의 가동률 향상과 산소 이용 극대화를 통해 경제성을 확보하기 위해서 수전해기에서 배출되는 산소를 바이오매스 가스화 공정에 공급하여 추가적인 수소 생산을 통해 수소 원가를 감소시키고, 재생에너지원의 출력 감소 시 수전해기를 바이오매스 가스화 공정의 산소 제조/공급 장치로 활용하는 공정을 제안하고, 이에 대한 정량적인 효율 분석과 경제성 분석을 수행하였다.

Keywords

References

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