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  • enhancement of anaerobic sludge digestion by high-pressure homogenization

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 549
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     to improve anaerobic sludge digestion efficiency, the effects of high-pressure homogenization (hph) conditions on the anaerobic sludge digestion were investigated. the vs and tcod were significantly removed with the anaerobic digestion, and the vs removal and tcod removal increased with increasing the homogenization pressure and homogenization cycle number; correspondingly, the accumulative biogas production also increased with increasing the homogenization pressure and homogenization cycle number. the optimal homogenization pressure was 50 mpa for one homogenization cycle and 40 mpa for two homogenization cycles. the scod of the sludge supernatant significantly increased with increasing the homogenization pressure and homogenization cycle number due to the sludge disintegration. the relationship between the biogas production and the sludge disintegration showed that the accumulative biogas and methane production were mainly enhanced by the sludge disintegration, which accelerated the anaerobic digestion process and improved the methane content in the biogas.

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