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首页> 外文期刊>Water Environment Research >Do Alternate Bacterial Indicators and Pathogens Increase after Centrifuge Dewatering of Anaerobically Digested Biosolids?
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Do Alternate Bacterial Indicators and Pathogens Increase after Centrifuge Dewatering of Anaerobically Digested Biosolids?

机译：厌氧消化的生物固体经离心脱水后，其他细菌指示剂和病原体是否增加？

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摘要

The objectives of this research were to evaluate the potential for sudden increase and/or regrowth of alternative bacteria as either indicators or pathogens after dewatering of thermophilic and mesophilically digested biosolids. The results showed that, in general, for thermophilic processes, even when a statistically significant (p<0.05) sudden increase and regrowth occurred for fecal coliforms, Escherichia coli, and Enterococci, it did not occur for Salmonella or Aeromonas. For the mesophilic process evaluated, sudden increase did not occur, but regrowth occurred for fecal coliforms, E. coli, Enterococci, and Salmonella. The results have implications for Class A and B biosolids regulations, as both fecal coliform and Salmonella are part of the regulatory limits. The results also suggest that the public health risks are minimal, as a result of the potential sudden increase and regrowth that may occur. Water Environ. Res., 83, 2057 (2011).
机译：这项研究的目的是评估嗜热和中温消化的生物固体脱水后，作为指示剂或病原体的替代细菌突然增加和/或再生的潜力。结果表明，一般而言，对于嗜热过程，即使粪便大肠菌，大肠杆菌和肠球菌在统计学上显着（p <0.05）突然增加和再生长，沙门氏菌或气单胞菌也没有发生。对于评估的中温过程，未发生突然增加，但粪便大肠菌，大肠杆菌，肠球菌和沙门氏菌发生了再生长。由于粪便大肠菌群和沙门氏菌均属于法规范围的一部分，因此该结果对A类和B类生物固体法规具有影响。结果还表明，由于可能发生的潜在突然增加和再生长，公共卫生风险最小。水环境。 Res.83，2057（2011）。

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