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  • microbial electrolysis cell scale-up for combined wastewater treatment and hydrogen production

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 552
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this study demonstrates microbial electrolysis cell (mec) scale-up from a 50 ml to a 10 l cell. initially, a 50 ml membraneless mec with a gas diffusion cathode was operated on synthetic wastewater at different organic loads. it was concluded that process scale-up might be best accomplished using a ‘‘reactor- in-series’’ concept. consequently, 855 ml and 10 l mecs were built and operated. by optimizing the hydraulic retention time (hrt) of the 855 ml mec and individually controlling the applied voltages of three anodic compartments with a real-time optimization algorithm, a cod removal of 5.7 g l-1r d-1 and a hydrogen production of 1.0–2.6 l l-1r d-1 was achieved. furthermore, a two mecs in series 10 l setup was constructed and operated on municipal wastewater. this test showed a cod removal rate of 0.5 g l-1r d-1, a removal efficiency of 60–76%, and an energy consumption of 0.9 whperg of cod removed.

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