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فناوری منابع زیستی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • removal and recovery of phosphorus as struvite from swine wastewater using microbial fuel cell

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 730
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     air–cathode single chamber microbial fuel cells (mfcs) were operated with swine wastewater. the maximum power density, the maximum current density, the average value of cod-removal efficiency, and the coulombic efficiency were 1–2.3 w/m2, 6.0–7.0 a/m2, 76–91%, and 37–47%, respectively. during operation, 70–82% of the phosphorus was removed from the influent, and some precipitations were observed on the surface of the liquid side of the cathodes. the amount of phosphorus contained in these precipitates was estimated to be equivalent 4.6–27% of the influent. the main component of these precipitates was revealed by x-ray diffraction analysis to be struvite. furthermore, our results indicate that phosphorus in suspended solid form was first dissolved, and then precipitated on the cathode. by scanning electron microscope observation, the morphology of the precipitates was irregularly shaped, including crystals with hexagonal cross-section surfaces, and was different from the familiar needle-like ones. these results indicate that simultaneous recovery of electrical power and phosphorus from wastewater by microbial fuel cell is possible.

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