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  • comparison of solid-state to liquid anaerobic digestion of lignocellulosic feedstocks for biogas production

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 563
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     lignocellulosic biomass feedstocks (switchgrass, corn stover, wheat straw, yard waste, leaves, waste paper, maple, and pine) were evaluated for methane production under liquid anaerobic digestion (l-ad) and solid-state anaerobic digestion (ss-ad). no significant difference in methane yield between l-ad and ss-ad, except for waste paper and pine, were found. however, the volumetric productivity was 2- to 7-fold greater in the ss-ad system compared with the l-ad system, except for paper. methane yields from corn stover, wheat straw, and switchgrass were 2–5 times higher than those from yard waste, maple, and pine biomass. waste paper had a methane yield of only 15 l/kg vs caused by souring during ss-ad due to organic overloading. pine also had very low biogas yield of 17 l/kg vs, indicating the need for pretreatment prior to ss-ad. the findings of this study can guide future studies to improve the efficiency and stability of ss-ad of lignocellulosic biomass.

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