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首页> 外文期刊>Animal Science Journal >Ammonia-oxidizing Archaea in laboratory-scale activated sludge systems for wastewater of low- or high-ammonium concentration.
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Ammonia-oxidizing Archaea in laboratory-scale activated sludge systems for wastewater of low- or high-ammonium concentration.

机译:实验室规模的活性污泥系统中的氨氧化古细菌,用于低或高铵浓度的废水。

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摘要

Ammonia-oxidizing bacteria (AOB) is known as ammonia-oxidizer in wastewater treatment systems. However, ammonia-oxidizing Archaea (AOA) is found from various environments, including wastewater treatment systems. In this study, to investigate the relationships between AOA population and ammonia concentration, AOA was monitored in two laboratory-scale reactors treating artificial wastewater of different ammonium concentrations by denaturing gradient gel electrophoresis targeting ammonia monooxygenase genes. At day 60 of the operation, AOA populations dominant in each reactor differed, suggesting the importance of influent ammonia concentration in dominant AOA selection.
机译:氨氧化细菌(AOB)在废水处理系统中被称为氨氧化剂。但是,氨氧化古细菌(AOA)可在各种环境中找到,包括废水处理系统。在这项研究中,为了研究AOA种群与氨气浓度之间的关系,在两个实验室规模的反应器中通过变性针对氨单加氧酶基因的梯度凝胶电泳来监测AOA,以监测不同铵浓度的人工废水。在操作的第60天,每个反应堆中占优势的AOA种群有所不同,这表明进水氨浓度在占优势的AOA选择中的重要性。

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