分散型バイオマスガス化システムによる燃料製造に係るLCA A Life Cycle Assessment on a Fuel Production Through Distributed Biomass Gasification Process

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著者

    • 江口 勉 EGUCHI Tsutomu
    • 東京理科大学理工学部経営工学科 Dept. of Industrial Administration, Tokyo University of Science
    • 玄地 裕 GENCHI Yutaka
    • 産業技術総合研究所ライフサイクルアセスメント研究センタ Research Center for Life Cycle Assessment, National Institute of Advanced Industrial Science and Technology (AIST)

抄録

In this paper, we estimated life cycle inventories (energy intensities and CO<sub>2</sub> emissions) on the biomass gasification CGS, Bio-H<sub>2</sub>, Bio-MeOH (methanol) and Bio-DME (di-methyl ether), using the bottom-up methodology.<br>CO<sub>2</sub> emissions and energy intensities on material's chipping, transportation and dryer operation were estimated. Also, the uncertainties on the moisture content of biomass materials and the transportation distance to the plant were considered by the Monte Carlo simulation. The energy conversion system was built up by gasification through the BLUE Tower process, with either CGS, PSA (Pressure Swing Absorption) system or the liquefaction process.<br>In our estimation, the biomass materials were the waste products from Japanese Cedar. The uncertainties of moisture content and transportation distance were assumed to be 20 to 50 wt.% and 5 to 50 km, respectively. The capability of the biomass gasification plant was 10 t-dry/d, that is, an annual throughput of 3,000 t-dry/yr. The production energy in each case was used as a functional unit.<br>Finally, the energy intensities of 1.12 to 3.09 MJ/MJ and CO<sub>2</sub> emissions of 4.79 to 88.0 g-CO<sub>2</sub>/MJ were obtained. CGS case contributes to the environmental mitigation, and Bio-H<sub>2</sub> and/or Bio-DME cases have a potential to reduce CO<sub>2</sub> emissions, compared to the conventional ones.

収録刊行物

  • 電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society  

    電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society 128(2), 168-175, 2008-02-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10021131140
  • NII書誌ID(NCID)
    AN10065950
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854221
  • NDL 記事登録ID
    9366560
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-795
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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