wastewater treatment

简明释义

废水处理

英英释义

例句

1.Research on new methods for wastewater treatment is crucial for environmental sustainability.

对新型废水处理方法的研究对环境可持续性至关重要。

2.Many industries are required to implement wastewater treatment processes to reduce pollution.

许多行业被要求实施废水处理工艺以减少污染。

3.Proper wastewater treatment can prevent harmful substances from entering natural water bodies.

适当的废水处理可以防止有害物质进入自然水体。

4.The city invested in advanced wastewater treatment facilities to improve water quality.

该市投资建设先进的废水处理设施，以改善水质。

5.The wastewater treatment plant operates 24 hours a day to ensure clean water supply.

该废水处理厂全天候运作，以确保供水清洁。

作文

In today's world, the issue of water pollution has become increasingly pressing. One of the most effective ways to combat this problem is through wastewater treatment (废水处理). This process involves the removal of contaminants from wastewater and is essential for protecting our environment and public health.Wastewater can originate from various sources, including households, industries, and agricultural activities. When left untreated, this contaminated water can lead to severe environmental issues, such as the degradation of water bodies, harm to aquatic life, and the spread of waterborne diseases among humans. Therefore, implementing an effective wastewater treatment (废水处理) system is crucial for sustainable development.The process of wastewater treatment (废水处理) typically involves several stages. The first stage is known as preliminary treatment, where large debris and solids are removed from the wastewater. This can include items like plastic bottles, leaves, and other materials that can clog the system. Following this, primary treatment occurs, which focuses on removing suspended solids and organic matter through sedimentation. During this phase, wastewater is allowed to sit in large tanks, causing heavier particles to settle at the bottom, forming sludge.After primary treatment, secondary treatment takes place. This stage is crucial as it involves biological processes to further break down organic matter. Microorganisms, such as bacteria, are introduced to the wastewater, where they consume the organic pollutants, effectively purifying the water. This step is often referred to as biological treatment and is essential for reducing the biochemical oxygen demand (BOD) of the water, which is a measure of the amount of organic material present.Finally, the tertiary treatment stage focuses on removing remaining impurities and pathogens from the treated water. This can involve advanced filtration methods, chemical treatments, or disinfection processes such as chlorination or ultraviolet light exposure. Once the water has undergone wastewater treatment (废水处理), it can be safely released back into the environment or reused for various purposes, such as irrigation, industrial processes, or even drinking water in some advanced systems.The benefits of wastewater treatment (废水处理) extend beyond just environmental protection. It also plays a significant role in conserving water resources. As freshwater supplies become increasingly scarce, recycling treated wastewater can provide a sustainable alternative for meeting water demands. Moreover, wastewater treatment (废水处理) facilities can generate energy through the anaerobic digestion of sludge, turning waste into a valuable resource.In conclusion, wastewater treatment (废水处理) is a vital process that addresses the challenges posed by water pollution. By effectively treating wastewater, we can protect our ecosystems, safeguard public health, and contribute to a more sustainable future. It is imperative that governments, industries, and communities invest in and prioritize wastewater treatment (废水处理) technologies to ensure a cleaner and healthier planet for generations to come.

在当今世界，水污染问题变得越来越紧迫。应对这一问题的有效方法之一是通过wastewater treatment（废水处理）。这个过程涉及从废水中去除污染物，对于保护我们的环境和公众健康至关重要。废水可以来自各种来源，包括家庭、工业和农业活动。如果不加以处理，这种受污染的水可能会导致严重的环境问题，例如水体退化、对水生生物的伤害，以及在人类中传播水源性疾病。因此，实施有效的wastewater treatment（废水处理）系统对于可持续发展至关重要。wastewater treatment（废水处理）的过程通常包括几个阶段。第一阶段称为初步处理，在此阶段，大的杂物和固体从废水中去除。这可以包括塑料瓶、树叶和其他可能堵塞系统的材料。接下来，进行初级处理，重点是通过沉淀去除悬浮固体和有机物。在这一阶段，废水被允许在大型池塘中静置，导致较重的颗粒沉降到底部，形成污泥。在初级处理之后，进行二级处理。这个阶段至关重要，因为它涉及生物过程来进一步分解有机物。微生物，如细菌，被引入到废水中，它们消耗有机污染物，有效地净化水。这一步通常被称为生物处理，对于降低水中的生化需氧量（BOD）至关重要，这是衡量有机物质存在量的指标。最后，三级处理阶段专注于去除处理过的水中的剩余杂质和病原体。这可以涉及先进的过滤方法、化学处理或消毒过程，如氯化或紫外线照射。一旦水经过了wastewater treatment（废水处理），就可以安全地释放回环境中，或用于各种目的，如灌溉、工业过程，甚至在一些先进系统中作为饮用水。wastewater treatment（废水处理）的好处不仅限于环境保护。它还在节约水资源方面发挥着重要作用。随着淡水供应日益稀缺，回收处理过的废水可以提供满足水需求的可持续替代方案。此外，wastewater treatment（废水处理）设施可以通过厌氧消化污泥产生能量，将废物转化为宝贵资源。总之，wastewater treatment（废水处理）是应对水污染挑战的重要过程。通过有效处理废水，我们可以保护生态系统，保障公众健康，并为更可持续的未来做出贡献。各国政府、工业和社区必须投资并优先考虑wastewater treatment（废水处理）技术，以确保为后代创造一个更清洁、更健康的地球。