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DO对同步硝化反硝化协同除磷的影响 被引量:16

Effect of DO on Simultaneous Nitrification-denitrification with Phosphorus Removal
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摘要 采用序批式活性污泥反应器(SBR)处理模拟城市污水,在厌氧一好氧运行方式下,考察了DO对同步硝化反硝化协同除磷效果的影响。结果表明,DO的变化对该系统中有机物的去除影响不显著,当DO为1.5~2.0mg/L时,TN及TP去除率均能达到90%以上,并可以应用pH曲线拐点来判断系统硝化过程是否完成。 The sequencing batch reactor (SBR) was used to treat simulated urban sewage. The effect of DO on simultaneous nitrification-denitrification with phosphorus removal was investigated in anaerobic-aerobic mode. The results show that: The effect of DO on the removal of organic substance in the system is not significant; When DO is 1.5 - 2.0 mg/L, the removal rates of TN and TP are both above 90% ; And the inflection point of pH curve can indicate the finish of nitrification process in the system.
出处 《化工环保》 CAS CSCD 北大核心 2009年第2期109-112,共4页 Environmental Protection of Chemical Industry
基金 国家自然科学基金资助项目(50878058) 广东省自然科学基金资助项目(8151009101000015)
关键词 序批式活性污泥法 溶解氧 同步硝化反硝化 除磷 废水处理 sequencing batch reactor activated sludge process dissolved oxygen simultaneous nitrification and denitrification phosphorus removal wastewater treatment
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