combined sewerage system

简明释义

雨污水合恋统

英英释义

例句

1.During heavy rainfall, the combined sewerage system often struggles to handle the excess water.

在大雨期间，综合排水系统通常难以处理多余的水。

2.The city has invested in upgrading its combined sewerage system to prevent overflow during heavy rains.

该城市已投资升级其综合排水系统以防止在大雨期间溢流。

3.The environmental impact assessment included a study of the local combined sewerage system.

环境影响评估包括对当地综合排水系统的研究。

4.Residents were informed about the maintenance schedule for the combined sewerage system in their neighborhood.

居民们被通知了他们社区综合排水系统的维护时间表。

5.A combined sewerage system can lead to pollution if not properly managed.

如果管理不当，综合排水系统可能会导致污染。

作文

The concept of a combined sewerage system refers to a type of sewage infrastructure that collects both stormwater runoff and wastewater in a single pipe. This system is designed to transport sewage and rainwater to a treatment facility, where it can be processed before being released into the environment. While this method was widely adopted in many urban areas during the 19th and early 20th centuries, it has become increasingly problematic in modern times due to various environmental concerns.One of the primary advantages of a combined sewerage system is its ability to manage large volumes of water during heavy rainfall. By consolidating stormwater and sewage, these systems can effectively prevent flooding in urban areas. However, when the flow exceeds the capacity of the treatment plant, untreated sewage can overflow into nearby rivers and lakes, leading to severe pollution and health risks for local communities.Another issue with combined sewerage systems is their tendency to contribute to water quality degradation. During periods of heavy rain, the mixture of stormwater and sewage can result in combined sewer overflows (CSOs). These events can release harmful contaminants into natural water bodies, affecting aquatic ecosystems and posing risks to public health. The presence of pathogens, nutrients, and chemicals in CSOs can lead to fish kills, algal blooms, and the contamination of drinking water supplies.To address these challenges, many cities are now investing in alternative solutions to the traditional combined sewerage system. One approach is the implementation of separate sewer systems, which divide stormwater and sewage into two distinct pipelines. This separation allows for more efficient treatment of wastewater and reduces the risk of CSOs. Additionally, green infrastructure solutions, such as rain gardens, permeable pavements, and green roofs, can help manage stormwater at the source, minimizing the burden on the sewer system.In conclusion, while the combined sewerage system has played a crucial role in urban sanitation for over a century, its limitations have become increasingly apparent. As cities continue to grow and face the challenges of climate change, it is essential to explore innovative and sustainable alternatives to improve water management practices. By investing in modern infrastructure and adopting environmentally friendly solutions, we can protect our waterways and ensure a healthier future for our communities.

“结合排水系统”是指一种污水基础设施，它在单一管道中收集雨水径流和废水。这种系统旨在将污水和雨水运输到处理设施，在那里可以进行处理，然后再释放到环境中。虽然这种方法在19世纪和20世纪初期被许多城市地区广泛采用，但由于各种环境问题，现代社会对此的依赖已经变得越来越成问题。“结合排水系统”的主要优点之一是它能够在大雨期间管理大量水量。通过将雨水和污水合并，这些系统可以有效防止城市地区的洪水。然而，当流量超过处理厂的容量时，未经处理的污水可能会溢出到附近的河流和湖泊中，导致严重的污染和对当地社区的健康风险。“结合排水系统”另一个问题是它们往往会导致水质恶化。在暴雨期间，雨水和污水的混合可能导致结合排水溢流（CSOs）。这些事件可能会将有害污染物释放到自然水体中，影响水生生态系统，并对公共健康构成风险。CSOs中存在的病原体、营养物质和化学物质可能导致鱼类死亡、藻类繁殖和饮用水源污染。为了应对这些挑战，许多城市现在正在投资替代传统“结合排水系统”的解决方案。一种方法是实施独立的排水系统，将雨水和污水分为两条不同的管道。这种分离允许更高效地处理废水，并减少CSOs的风险。此外，绿色基础设施解决方案，如雨水花园、透水铺装和绿色屋顶，可以帮助在源头管理雨水，从而减轻排水系统的负担。总之，尽管“结合排水系统”在城市卫生方面发挥了一个多世纪的重要作用，但其局限性变得越来越明显。随着城市的不断发展和气候变化带来的挑战，探索创新和可持续的替代方案以改善水管理实践变得至关重要。通过投资现代基础设施和采用环保解决方案，我们可以保护水道，确保我们的社区拥有更健康的未来。