sewage disposal plant

简明释义

污水处理工厂

英英释义

例句

1.The sewage disposal plant processes waste from thousands of homes.

这个污水处理厂处理来自数千个家庭的废物。

2.Environmentalists are concerned about the impact of the sewage disposal plant on local wildlife.

环保主义者对污水处理厂对当地野生动物的影响表示担忧。

3.The city invested in a new sewage disposal plant to improve water quality.

这座城市投资建造了一个新的污水处理厂以改善水质。

4.Residents near the sewage disposal plant reported a foul smell during summer.

靠近污水处理厂的居民在夏季报告有难闻的气味。

5.The government is planning to upgrade the sewage disposal plant to meet new regulations.

政府计划升级污水处理厂以符合新法规。

作文

In modern society, the management of waste is a critical issue that affects both public health and the environment. One of the key components of waste management is the operation of a sewage disposal plant, which plays a vital role in treating wastewater before it is released back into the environment. A sewage disposal plant (污水处理厂) is designed to remove contaminants from sewage and convert it into an effluent that can be safely discharged or reused. As urban populations continue to grow, the importance of these facilities becomes increasingly evident.The process of sewage treatment typically involves several stages, including preliminary treatment, primary treatment, secondary treatment, and sometimes tertiary treatment. During preliminary treatment, large debris such as sticks, plastics, and other solid waste are removed from the sewage. This is crucial because large objects can damage the machinery used in the later stages of treatment. Following this, primary treatment involves the settling of solids and the separation of sludge from the liquid waste.The secondary treatment phase is where the real magic happens. In this stage, biological processes are employed to break down organic matter present in the sewage. Microorganisms, such as bacteria, play a significant role in this process. They consume the organic pollutants, converting them into harmless byproducts. This not only reduces the amount of waste but also helps in purifying the water. The treated water, however, may still contain some nutrients like nitrogen and phosphorus, which can contribute to environmental problems if released directly into water bodies.Tertiary treatment, if implemented, further enhances the quality of the effluent. This stage may involve additional filtration, nutrient removal, and disinfection processes, such as chlorination or UV treatment. The goal of a sewage disposal plant (污水处理厂) is to ensure that the water released back into rivers, lakes, or oceans meets regulatory standards and is safe for aquatic life and human use.Moreover, a well-functioning sewage disposal plant contributes significantly to the sustainability of urban areas. By treating sewage effectively, these plants help prevent pollution, protect local ecosystems, and promote public health. Additionally, many modern facilities are now designed to recover resources from wastewater. For instance, biogas produced during the treatment process can be harnessed as a renewable energy source, while treated water can be reused for irrigation or industrial processes.Despite their importance, sewage disposal plants face several challenges. Aging infrastructure, insufficient funding, and increasing volumes of wastewater due to population growth can strain these facilities. Furthermore, climate change poses additional risks, as extreme weather events can overwhelm treatment systems and lead to untreated sewage being released into the environment.Public awareness and education about the significance of sewage disposal plants (污水处理厂) are essential for fostering community support and ensuring proper maintenance of these facilities. Citizens can play a role by reducing the amount of waste they generate, properly disposing of hazardous materials, and advocating for sustainable waste management practices.In conclusion, the role of sewage disposal plants in our society cannot be overstated. They are crucial for protecting public health, safeguarding the environment, and promoting sustainable urban development. As we move forward, it is imperative that we invest in and prioritize the improvement of these facilities to meet the challenges of the future. Only then can we ensure a cleaner, healthier planet for generations to come.

在现代社会，废物管理是一个影响公共健康和环境的关键问题。污水处理厂的运营是废物管理的关键组成部分，它在处理废水方面发挥着至关重要的作用，确保废水在释放回环境之前得到处理。污水处理厂（sewage disposal plant）旨在去除污水中的污染物，将其转化为可以安全排放或重复使用的废水。随着城市人口的不断增长，这些设施的重要性变得愈加明显。污水处理的过程通常包括几个阶段，包括初步处理、初级处理、二级处理，有时还有三级处理。在初步处理阶段，污水中会去除大块杂物，如树枝、塑料和其他固体废物。这一点至关重要，因为大物体可能会损坏后续处理阶段所用的机械设备。接下来，初级处理涉及固体的沉降和污泥与液态废物的分离。二级处理阶段是污水处理的关键。在这一阶段，采用生物过程来分解污水中的有机物质。微生物，如细菌，在这一过程中发挥了重要作用。它们消耗有机污染物，将其转化为无害的副产品。这不仅减少了废物的数量，还帮助净化水质。然而，处理过的水仍可能含有一些营养物质，如氮和磷，如果直接排放到水体中，可能会导致环境问题。如果实施三级处理，进一步提高了出水的质量。这一阶段可能涉及额外的过滤、营养物质去除和消毒过程，例如氯化或紫外线处理。污水处理厂（sewage disposal plant）的目标是确保排放回河流、湖泊或海洋的水符合监管标准，并对水生生物和人类使用是安全的。此外，运作良好的污水处理厂对城市地区的可持续发展贡献显著。通过有效处理污水，这些工厂帮助防止污染，保护当地生态系统，促进公共健康。此外，许多现代设施现在被设计为从废水中回收资源。例如，在处理过程中产生的沼气可以作为可再生能源，而处理后的水可以用于灌溉或工业过程。尽管污水处理厂的重要性不容忽视，但它们面临着许多挑战。老化的基础设施、资金不足以及由于人口增长导致的污水量增加都可能给这些设施带来压力。此外，气候变化带来了额外的风险，因为极端天气事件可能会使处理系统超负荷运转，导致未经处理的污水排放到环境中。公众对污水处理厂（sewage disposal plant）重要性的认识和教育对于促进社区支持和确保这些设施的适当维护至关重要。市民可以通过减少产生的废物量、妥善处置有害材料和倡导可持续废物管理实践来发挥作用。总之，污水处理厂在我们社会中的作用不可低估。它们对保护公共健康、维护环境和促进可持续城市发展至关重要。展望未来，我们必须投资于并优先改善这些设施，以应对未来的挑战。只有这样，我们才能确保为子孙后代创造一个更清洁、更健康的星球。