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  • anaerobic biodegradability of category 2 animal by-products: methane potential and inoculum source

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 785
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     category 2 animal by-products that need to be sterilized with steam pressure according regulation (ec) 1774/2002 are studied. in this work, 2 sets of experiments were performed in mesophilic conditions: (i) biomethane potential determination testing 0.5%, 2.0% and 5.0% total solids (ts), using sludge from the anaerobic digester of a wastewater treatment plant as inoculum; (ii) biodegradability tests at a constant ts concentration of 2.0% and different inoculum sources (digested sludge from a wastewater treatment plant; granular sludge from an upflow anaerobic sludge blanket reactor; leachate from a municipal solid waste landfill; and sludge from the slaughterhouse wastewater treatment anaerobic lagoon) to select the more adapted inoculum to the substrate in study. the higher specific methane production was of 317 ml ch4 g−1 vssubstrate for 2.0% ts. the digested sludge from the wastewater treatment plant led to the lowest lag-phase period and higher methane potential rate.

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