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  • comparison of the energy and environmental performances of nine biomass/coal co-firing pathways

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 620
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     life cycle energy and environmental performances of nine different biomass/coal co-firing pathways to power generation were compared. agricultural residue (ar), forest residue (fr), and whole trees (wt) as feedstock were analyzed for direct (dc) and parallel co-firing (pc) in various forms (e.g., chip, bale and pellet). biomass co-firing rate lies in the range of 7.53–20.45% (energy basis; rest of the energy comes from coal) for the co-firing pathways, depending on type of feedstock and densification. net energy ratios (ner) for fr-, wt-, and ar-based co-firing pathways were 0.39–0.42, 0.39–0.41, and 0.37–0.38, greenhouse gas (ghg) emissions were 957–1004, 967–1014, and 1065–1083 kg co2eq/mwh, acid rain precursor (arp) emissions were 5.16–5.39, 5.18–5.41, and 5.77–5.93 kg so2eq/mwh, and ground level ozone precursor (gop) emissions were 1.79–1.89, 1.82–1.93, and 1.88–1.91 kg (nox + voc)/mwh, respectively. biomass/coal co-firing life cycle results evaluated in this study are relevant for any jurisdiction around the world.

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