Combined autotrophic nitritation and bioelectrochemical-sulfur denitrification for treatment of ammonium rich wastewater with low C/N ratio
作者： Haiyan Wang , Qianyu Hang , John Crittenden , Yuexi Zhou , Quan Yuan
DOI: 10.1007/S11356-015-5460-0
关键词:
摘要: A novel combined autotrophic nitritation and bioelectrochemical-sulfur denitrification (CANBSD) process was developed for treatment of synthetic ammonium-rich wastewater with low carbon/nitrogen ratio. Total nitrogen removal the CANBSD higher than 95 %, effluent SO4 (2-) lower 1280 mg L(-1), maximum volumetric loading rate 1.2 kg m(-3) day(-1) when (1) influent NH4 (+)-N 1008 (2) hydraulic retention time between 3.7 32 h, (3) DO 0.5 (4) pH 7.5 8.2, (5) temperature 28 30 °C. Both conversion to NO2 (-)-N in membrane reactor (NMBR) were maintained at about 50 residual accumulated subsequently treated three-dimensional reactor. The energy consumption 0.13 3.4 kWh m(-3), respectively, 100 1000 L(-1). close that partial nitritation-ANNMMOX.
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