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Aerobic Heterotrophic Bacterial Populations of Sewage and Activated Sludge IV. Adaptation of Activated Sludge to Utilization of Aromatic Compounds

机译:污水和活性污泥的需氧异养细菌种群IV。活性污泥对芳香化合物利用的适应

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An activated sludge from a sewage treatment plant and a laboratory activated sludge developed on an artificial waste were compared for their ability to utilize 11 aromatic compounds. There were several significant differences between them. The laboratory sludge contained higher numbers of organisms and metabolized the aromatics to a greater extent. Laboratory activated sludges acclimated to utilization of the aromatics differed from each other in population structure and the pattern of oxygen consumption with aromatic substrates. The oxidative patterns of uncontrolled mixed populations were unreliable for investigating metabolic pathways. Extracts of the various sludges elevated the plate counts of the sludges.
机译:比较了污水处理厂的活性污泥和人工废物上开发的实验室活性污泥利用11种芳香族化合物的能力。它们之间有几个显着差异。实验室污泥中含有更多的生物,并在更大程度上代谢了芳烃。适应芳香族化合物利用的实验室活性污泥在种群结构和芳香族底物的耗氧模式上互不相同。不受控制的混合群体的氧化模式是不可靠的调查代谢途径。各种污泥的提取物增加了污泥的板数。

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