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用于黑水处理的污水池变体的风险评估

Caroline Kimie Miyazaki¹, Adriano Luiz Tonetti²

¹School of Civil Engineering, Architecture and Urban Design - FECFAU, UNICAMP (State University of Campinas), P.O. Box 6021, Campinas, SP, 95113083-852, Brazil.

Environmental monitoring and assessment

|September 23, 2025

概括

在农业中再利用废水存在风险. 一项生物消化器污水池 (BST) 研究发现,在维护和使用过程中存在微生物危害,建议停止添加牛便,并使用地下灌进行更安全的废水再利用.

科学领域:

环境微生物学环境微生物学
水资源管理水资源的管理.
公共卫生公共卫生

背景情况:

农业中单一家庭的废水再利用面临着运营,维护和卫生方面的挑战.
生物消化器污水池 (BST) 是一种用于处理黑水的变体系统,但它们的微生物安全性需要评估.

研究的目的:

评估用于处理黑水的BST系统用户的微生物风险.
通过定量微生物风险评估 (QMRA) 提出农业安全废水再利用的控制措施.

主要方法:

使用了定量微生物学风险评估 (QMRA) 方法.
暴露途径被绘制为地图,并计算了大肠杆菌的概率感染风险.

主要成果:

确定了与BST维护和使用相关的显著微生物健康风险.
为了维护,添加新鲜的牛便存在风险.
通过地下灌再利用废水是一种建议的更安全的方法.

结论:

建议停止将新鲜牛便添加到BST中.
地下灌是一种可行的方法,用于农业再利用经过处理的废水.
实施风险管理策略对于巴西和拉丁美洲安全采用BST技术至关重要.

关键词:

现场系统; 重复使用; 黑水.这是QMRA的QMRA.风险评估风险评估风险评估

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