sewage purification
简明释义
污水净化
英英释义
The process of removing contaminants from wastewater or sewage to produce an effluent that is suitable for discharge into the environment or for reuse. | 从废水或污水中去除污染物的过程,以产生适合排放到环境中或再利用的出水。 |
例句
1.Many industries are required to treat their wastewater through sewage purification (污水净化) processes.
许多行业被要求通过污水净化 (污水净化)过程处理废水。
2.Regular maintenance of the sewage purification (污水净化) system is crucial for its efficiency.
定期维护污水净化 (污水净化)系统对其效率至关重要。
3.The effectiveness of sewage purification (污水净化) can significantly reduce environmental pollution.
有效的污水净化 (污水净化)可以显著减少环境污染。
4.Research on new methods of sewage purification (污水净化) is ongoing at the university.
大学正在进行关于新方法的污水净化 (污水净化)的研究。
5.The city invested in advanced technologies for sewage purification (污水净化) to improve water quality.
这座城市投资先进技术进行污水净化 (污水净化)以改善水质。
作文
Sewage purification, or 污水净化, is an essential process in modern society that involves the treatment of wastewater to remove contaminants before it is released back into the environment. As urban areas continue to grow, the amount of sewage generated increases significantly, making effective 污水净化 crucial for maintaining public health and protecting natural ecosystems. The process typically involves several stages, including physical, chemical, and biological treatments, each designed to target specific pollutants.The first stage of 污水净化 is usually a physical treatment, where large solids are removed from the sewage through screening and sedimentation. This process helps to eliminate debris such as plastics, leaves, and other large particles that can clog pipes and disrupt the treatment process. Following this, the sewage undergoes a chemical treatment phase, where various chemicals are added to neutralize harmful substances and facilitate the removal of dissolved pollutants.The most critical part of 污水净化 is the biological treatment, where microorganisms play a vital role in breaking down organic matter. This stage often involves aeration tanks where air is pumped into the sewage to promote the growth of aerobic bacteria. These bacteria consume organic pollutants, converting them into harmless byproducts. In some cases, anaerobic bacteria are used in environments devoid of oxygen, which can be particularly effective in treating high-strength wastewater.Once the sewage has undergone these treatments, it is subjected to further processes such as filtration and disinfection to ensure that it meets environmental standards before being discharged. Disinfection methods, such as chlorination or ultraviolet light treatment, are employed to kill any remaining pathogens, ensuring that the treated water is safe for release into rivers, lakes, or even for reuse in irrigation.The importance of 污水净化 cannot be overstated. Without proper treatment, untreated sewage can lead to severe environmental pollution, harming aquatic life and contaminating drinking water sources. Additionally, the spread of diseases caused by pathogens present in sewage poses a significant risk to public health. Therefore, investing in advanced 污水净化 technologies and infrastructure is crucial for sustainable urban development.In recent years, there has been a growing emphasis on innovative solutions for 污水净化. Technologies such as membrane bioreactors, constructed wetlands, and decentralized treatment systems are gaining popularity for their efficiency and lower environmental impact. These methods not only enhance the quality of treated water but also contribute to resource recovery, allowing valuable nutrients and energy to be reclaimed from wastewater.To conclude, 污水净化 is a fundamental aspect of environmental management that plays a pivotal role in safeguarding public health and preserving our natural resources. As we face increasing challenges related to water scarcity and pollution, it is imperative that we continue to prioritize and invest in effective sewage purification technologies. By doing so, we can ensure a cleaner, healthier future for generations to come.
污水净化是现代社会中一项重要的过程,涉及对废水的处理,以去除污染物,然后再将其释放回环境中。随着城市地区的不断发展,产生的污水量显著增加,因此有效的污水净化对于维护公共健康和保护自然生态系统至关重要。该过程通常包括几个阶段,包括物理、化学和生物处理,每个阶段都旨在针对特定污染物。污水净化的第一阶段通常是物理处理,通过筛选和沉淀去除污水中的大固体。这一过程有助于消除塑料、树叶和其他可能堵塞管道并干扰处理过程的大颗粒 debris。随后,污水进入化学处理阶段,添加各种化学品以中和有害物质并促进溶解污染物的去除。污水净化中最关键的部分是生物处理,其中微生物在分解有机物方面发挥着重要作用。这一阶段通常涉及曝气池,在这里空气被泵入污水中,以促进好氧细菌的生长。这些细菌消耗有机污染物,将其转化为无害的副产品。在某些情况下,厌氧细菌在缺氧环境中使用,这对于处理高强度废水特别有效。一旦污水经过这些处理,就会进行进一步的过滤和消毒过程,以确保其在排放前符合环境标准。消毒方法,如氯化或紫外线处理,被用来杀死任何残留的病原体,确保处理后的水安全地释放到河流、湖泊,甚至用于灌溉。污水净化的重要性不容小觑。如果没有适当的处理,未经处理的污水可能导致严重的环境污染,危害水生生物并污染饮用水源。此外,由污水中存在的病原体引起的疾病传播对公共健康构成重大风险。因此,投资于先进的污水净化技术和基础设施对于可持续的城市发展至关重要。近年来,创新的污水净化解决方案越来越受到重视。膜生物反应器、人工湿地和分散式处理系统等技术因其高效性和较低的环境影响而受到欢迎。这些方法不仅提高了处理水的质量,还促进了资源回收,使得可以从废水中回收有价值的营养物质和能源。总之,污水净化是环境管理的基本方面,在保护公共健康和维护自然资源中发挥着关键作用。面对与水资源短缺和污染相关的日益严峻的挑战,我们必须继续优先考虑并投资于有效的污水净化技术。通过这样做,我们可以确保为后代创造一个更清洁、更健康的未来。
相关单词