LCCO2 of coal co-firing with imported torrefied woody biomass in Japan

研究成果: Conference article

抄録

In response to Japan's increase on coal dependence, co-firing of woody biomass in a coal power plant has been considered as the most feasible sustainable alternative. We propose torrefaction as an effective method to improve the quality of biomass fuel. To measure how much CO2 can be avoided by utilizing torrefied fuel, Life Cycle CO2 (LCCO2) of woody biomass co-firing in the Japanese coal power plant was conducted in this study. As a comparative analysis in the LCCO2, scenarios constructed included the use of woody biomass in the form of chip, pellet, and torrefied fuel. Due to the unavailability of large quantity domestic feedstocks in Japan, Indonesia was chosen as the origin of the imported woody biomass in the simulated scenarios. The results showed that significant CO2 reduction could be achieved especially in the co-firing that includes torrefied fuel. In the case where 30cal% of torrefied fuel or 5cal% of pellets were used for co-firing in a 50 MW capacity coal power plant, 95,000 t of CO2 could be avoided annually compared to using 100% coal.

元の言語English
記事番号03001
ジャーナルE3S Web of Conferences
74
DOI
出版物ステータスPublished - 2018 12 12
イベント2018 International Conference Series on Life Cycle Assessment: Life Cycle Assessment as A Metric to Achieve Sustainable Development Goals, ICSoLCA 2018 - Jakarta, Indonesia
継続期間: 2018 10 242018 10 25

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Life cycle
Biomass
life cycle
Coal
coal
biomass
power plant
Power plants
Feedstocks
firing

ASJC Scopus subject areas

  • Environmental Science(all)
  • Energy(all)
  • Earth and Planetary Sciences(all)

これを引用

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title = "LCCO2 of coal co-firing with imported torrefied woody biomass in Japan",
abstract = "In response to Japan's increase on coal dependence, co-firing of woody biomass in a coal power plant has been considered as the most feasible sustainable alternative. We propose torrefaction as an effective method to improve the quality of biomass fuel. To measure how much CO2 can be avoided by utilizing torrefied fuel, Life Cycle CO2 (LCCO2) of woody biomass co-firing in the Japanese coal power plant was conducted in this study. As a comparative analysis in the LCCO2, scenarios constructed included the use of woody biomass in the form of chip, pellet, and torrefied fuel. Due to the unavailability of large quantity domestic feedstocks in Japan, Indonesia was chosen as the origin of the imported woody biomass in the simulated scenarios. The results showed that significant CO2 reduction could be achieved especially in the co-firing that includes torrefied fuel. In the case where 30cal{\%} of torrefied fuel or 5cal{\%} of pellets were used for co-firing in a 50 MW capacity coal power plant, 95,000 t of CO2 could be avoided annually compared to using 100{\%} coal.",
author = "Kenta Omura and Pandyaswargo, {Andante Hadi} and Hiroshi Onoda",
year = "2018",
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AU - Omura, Kenta

AU - Pandyaswargo, Andante Hadi

AU - Onoda, Hiroshi

PY - 2018/12/12

Y1 - 2018/12/12

N2 - In response to Japan's increase on coal dependence, co-firing of woody biomass in a coal power plant has been considered as the most feasible sustainable alternative. We propose torrefaction as an effective method to improve the quality of biomass fuel. To measure how much CO2 can be avoided by utilizing torrefied fuel, Life Cycle CO2 (LCCO2) of woody biomass co-firing in the Japanese coal power plant was conducted in this study. As a comparative analysis in the LCCO2, scenarios constructed included the use of woody biomass in the form of chip, pellet, and torrefied fuel. Due to the unavailability of large quantity domestic feedstocks in Japan, Indonesia was chosen as the origin of the imported woody biomass in the simulated scenarios. The results showed that significant CO2 reduction could be achieved especially in the co-firing that includes torrefied fuel. In the case where 30cal% of torrefied fuel or 5cal% of pellets were used for co-firing in a 50 MW capacity coal power plant, 95,000 t of CO2 could be avoided annually compared to using 100% coal.

AB - In response to Japan's increase on coal dependence, co-firing of woody biomass in a coal power plant has been considered as the most feasible sustainable alternative. We propose torrefaction as an effective method to improve the quality of biomass fuel. To measure how much CO2 can be avoided by utilizing torrefied fuel, Life Cycle CO2 (LCCO2) of woody biomass co-firing in the Japanese coal power plant was conducted in this study. As a comparative analysis in the LCCO2, scenarios constructed included the use of woody biomass in the form of chip, pellet, and torrefied fuel. Due to the unavailability of large quantity domestic feedstocks in Japan, Indonesia was chosen as the origin of the imported woody biomass in the simulated scenarios. The results showed that significant CO2 reduction could be achieved especially in the co-firing that includes torrefied fuel. In the case where 30cal% of torrefied fuel or 5cal% of pellets were used for co-firing in a 50 MW capacity coal power plant, 95,000 t of CO2 could be avoided annually compared to using 100% coal.

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