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生活污水实时控制策略实现短程脱氮研究

Technology of Water Treatment(2013)

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Abstract
短程脱氮工艺可减少25%的曝气量和40%的有机碳源。然而,对于低C/N比的城市生活污水常温下较难实现短程脱氮以及维持稳定。本研究利用实时控制策略常温下处理生活污水经过30 d的驯化实现了短程脱氮。SBR曝气结束后亚硝氮积累率超过95%,成功的将大部分亚硝化细菌(NOB)从系统中淘洗掉,氨氧化菌(AOB)成为了优势菌属。SEM分析结果表明,活性污泥系统中大部分以杆状亚硝化单胞菌(约为1μm)为主。
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Key words
ammonia oxidizing bacteria(AOB),shortcut nitrogen removal,real-time control
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