人类病原体在堆肥污水中的存活情况。
Survival of human pathogens in composted sewage.
作者信息
Wiley B B, Westerberg S C
出版信息
Appl Microbiol. 1969 Dec;18(6):994-1001. doi: 10.1128/am.18.6.994-1001.1969.
Studies were conducted to assess the effectiveness of an aerobic composter in destroying pathogens that may possibly be present in raw sewage sludge. Experiments conducted in this study were designed to determine whether or not selected indicator organisms (i.e., Salmonella newport, poliovirus type 1, Ascaris lumbricoides ova, and Candida albicans) could survive the composting process. The results of the assay showed that after 43 hr of composting, no viable indicator organisms could be detected. The poliovirus type I was the most sensitive, being inactivated within the first hour, whereas C. albicans was the most resistant, requiring more than 28 hr of composting for its inactivation. The data from this study indicated that aerobic composting of sewage sludge would destroy the indicator pathogens when a temperature of 60 to 70 C is maintained for a period of 3 days.
开展了多项研究，以评估一种好氧堆肥机在杀灭原污水污泥中可能存在的病原体方面的有效性。本研究中进行的实验旨在确定选定的指示生物（即新港沙门氏菌、1型脊髓灰质炎病毒、蛔虫卵和白色念珠菌）能否在堆肥过程中存活下来。检测结果表明，堆肥43小时后，未检测到存活的指示生物。I型脊髓灰质炎病毒最为敏感，在最初一小时内就被灭活，而白色念珠菌最具抗性，需要超过28小时的堆肥时间才能将其灭活。本研究的数据表明，当污水污泥在60至70摄氏度的温度下保持3天时，好氧堆肥会破坏指示病原体。
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