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  • the anaerobic co-digestion of food waste and cattle manure

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 557
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this study assessed the anaerobic co-digestion of food waste and cattle manure, in order to identify the key parameters that determine the biogas and methane yield. results of both batch and semi-continuous tests indicated that the total methane production is enhanced in co-digestion, with an optimum food waste (fm) to cattle manure (cm) ratio of 2. at this ratio, the total methane production in batch tests was enhanced by 41.1%, and the corresponding methane yield was 388 ml/g-vs. in the semi-continuous mode, the total methane production in co-digestion, at the organic loading rate (olr) of 10 g-vsfw/l/d, increased by 55.2%, corresponding to the methane yield of 317 ml/g-vs. addition of cattle manure enhanced the buffer capacity (created by nh4+and vfas), allowing high organic load without ph control. the c/n ratio and the higher biodegradation of lipids might be the main reasons for the biogas production improvement.

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