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首页> 外文期刊>International Journal of Environmental Research and Public Health >Treated Wastewater Effluent as a Source of Microbial Pollution of Surface Water Resources
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Treated Wastewater Effluent as a Source of Microbial Pollution of Surface Water Resources

机译：处理后的废水作为地表水资源的微生物污染源

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Since 1990, more than 1.8 billion people have gained access to potable water and improved sanitation worldwide. Whilst this represents a vital step towards improving global health and well-being, accelerated population growth coupled with rapid urbanization has further strained existing water supplies. Whilst South Africa aims at spending 0.5% of its GDP on improving sanitation, additional factors such as hydrological variability and growing agricultural needs have further increased dependence on this finite resource. Increasing pressure on existing wastewater treatment plants has led to the discharge of inadequately treated effluent, reinforcing the need to improve and adopt more stringent methods for monitoring discharged effluent and surrounding water sources. This review provides an overview of the relative efficiencies of the different steps involved in wastewater treatment as well as the commonly detected microbial indicators with their associated health implications. In addition, it highlights the need to enforce more stringent measures to ensure compliance of treated effluent quality to the existing guidelines.
机译：自1990年以来，全世界有超过18亿人获得了饮用水并改善了卫生条件。尽管这是朝着改善全球健康和福祉迈出的重要一步，但人口的快速增长以及快速的城市化进一步加剧了现有水的供应。南非的目标是将其GDP的0.5％用于改善卫生条件，而诸如水文变异性和不断增长的农业需求等其他因素则进一步增加了对这种有限资源的依赖。现有废水处理厂的压力越来越大，导致排放的废水处理不充分，从而增加了改进和采用更严格的方法来监测排放的废水和周围水源的需求。这篇综述概述了废水处理中不同步骤的相对效率，以及通常检测到的微生物指标及其相关的健康影响。此外，它强调需要采取更严格的措施，以确保处理后的废水质量符合现有准则。

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