return sludge

简明释义

回鳞泥

英英释义

例句

1.During the maintenance of the bioreactor, we need to check the concentration of return sludge (回流污泥) to prevent clogging.

在生物反应器维护期间，我们需要检查return sludge（回流污泥）的浓度，以防止堵塞。

2.Adjusting the flow rate of return sludge (回流污泥) can help control the overall performance of the treatment system.

调整return sludge（回流污泥）的流速可以帮助控制处理系统的整体性能。

3.In wastewater treatment, the process involves the use of microbes to break down organic matter, and the excess biomass is often sent back to the system as return sludge (回流污泥) to maintain the microbial population.

在废水处理过程中，使用微生物分解有机物，并将多余的生物量作为return sludge（回流污泥）送回系统，以维持微生物种群。

4.Monitoring the characteristics of return sludge (回流污泥) is crucial for ensuring effective treatment processes.

监测return sludge（回流污泥）的特性对于确保有效的处理过程至关重要。

5.The efficiency of a treatment plant can be improved by optimizing the amount of return sludge (回流污泥) that is recycled.

通过优化回收的return sludge（回流污泥）数量，可以提高处理厂的效率。

作文

In the field of wastewater treatment, the term return sludge refers to the process of recycling a portion of the settled sludge back into the aeration tank. This is an essential step in maintaining the efficiency of biological treatment processes. When wastewater is treated, microorganisms break down organic matter, producing biomass that settles at the bottom as sludge. Instead of discarding all of this sludge, a portion is returned to the system to ensure that there are enough microorganisms to continue the treatment process effectively. This practice not only helps in maintaining the microbial population but also enhances the overall treatment efficiency by keeping the biological activity at optimal levels.The concept of return sludge is crucial for several reasons. Firstly, it aids in the stabilization of the microbial community within the treatment system. By returning a fraction of the sludge, we are ensuring that the most active and efficient microorganisms are present in the aeration tank, ready to break down incoming organic materials. Secondly, this process helps in managing the volume of sludge produced. If all the sludge were to be removed from the system, the microbial population would diminish, leading to inefficient treatment and increased operational costs.Moreover, the practice of return sludge contributes to the sustainability of wastewater treatment plants. By recycling the sludge, we reduce the need for additional resources and minimize waste. This aligns with the principles of sustainable development, where the focus is on reducing environmental impact while maximizing resource use. The reduction in waste also translates to lower disposal costs, which can be significant for many treatment facilities.In addition to these benefits, the return sludge process plays a role in nutrient recovery. As microorganisms break down organic matter, they also release nutrients such as nitrogen and phosphorus. By returning sludge to the system, we can facilitate the recovery of these nutrients, which can then be utilized in various applications, including agriculture. This not only closes the nutrient loop but also supports the circular economy by repurposing waste products into valuable resources.However, managing return sludge requires careful monitoring and control. Operators must ensure that the right proportion of sludge is returned to maintain optimal conditions for microbial activity. Too much sludge can lead to overloading the system, while too little can result in insufficient microbial populations. Balancing these factors is vital for the successful operation of any wastewater treatment facility.In conclusion, the term return sludge encompasses a critical aspect of wastewater management. It involves the recycling of settled sludge back into the treatment process, ensuring the maintenance of microbial populations and enhancing treatment efficiency. This practice not only contributes to effective wastewater treatment but also promotes sustainability and resource recovery. As we continue to face challenges related to water scarcity and pollution, understanding and implementing practices like return sludge will be essential for the future of environmental management.

在废水处理领域，术语return sludge指的是将沉淀的污泥的一部分回收至曝气池的过程。这是维持生物处理过程效率的重要步骤。当废水被处理时，微生物分解有机物，产生沉淀在底部的污泥。为了确保有足够的微生物继续有效地进行处理，而不是将所有污泥丢弃，回收一部分污泥是必要的。这一做法不仅有助于维持微生物种群，还通过保持生物活性在最佳水平上增强整体处理效率。return sludge的概念至关重要，原因有几个。首先，它有助于稳定处理系统内的微生物群落。通过回收一部分污泥，我们确保最活跃和高效的微生物存在于曝气池中，随时准备分解进入的有机物。其次，这一过程有助于管理产生的污泥体积。如果所有污泥都从系统中去除，微生物种群将减少，导致处理效率低下和运营成本增加。此外，return sludge的做法还促进了营养物质的回收。当微生物分解有机物时，它们也释放出氮和磷等营养物质。通过将污泥回收至系统，我们可以促进这些营养物质的回收，这些营养物质随后可以用于各种应用，包括农业。这不仅关闭了营养循环，还通过将废物转化为有价值的资源来支持循环经济。然而，管理return sludge需要仔细的监控和控制。操作员必须确保回收适当比例的污泥，以维持微生物活动的最佳条件。过多的污泥可能导致系统超负荷，而过少则可能导致微生物种群不足。平衡这些因素对任何废水处理设施的成功运行至关重要。总之，术语return sludge涵盖了废水管理的一个关键方面。它涉及将沉淀的污泥回收至处理过程，以确保微生物种群的维持并增强处理效率。这一做法不仅有助于有效的废水处理，还促进了可持续性和资源回收。随着我们继续面临与水资源短缺和污染相关的挑战，理解和实施像return sludge这样的做法将对环境管理的未来至关重要。