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  • methane production from cattle manure supplemented with crude glycerin from the biodiesel industry in cstr and ibr

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 613
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
    the aim of the present research work was to optimise biogas production from cattle manure by adding crude glycerin from the biodiesel industry. for this purpose, 6% v/v crude glycerin (the optimum amount according to previous research) was added to ground manure and the mixture was sonicated to enhance biodegradability prior to anaerobic co-digestion at 55 °c. two different reactors were used: continuously stirred (cstr) and induced bed (ibr). the methanol and pure glycerin contents of the crude glycerin used in this study were 5.6% and 49.4% (w/w), respectively. the best results when operating in cstr were obtained for an organic loading rate (olr) of 5.4 kg cod/m3 day, obtaining 53.2 m3 biogas/t wet waste and 80.7% cod removal. when operating in ibr, the best results were obtained for an olr of 6.44 kg cod/m3 day, obtaining 89.6% cod removal and a biogas production of 56.5 m3/t wet waste.

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