bulking sludge

简明释义

膨胀污泥

英英释义

Bulking sludge refers to a condition in wastewater treatment where the sludge becomes excessively voluminous and less dense, leading to poor settling characteristics in sedimentation tanks.

膨胀污泥是指在废水处理过程中,污泥变得过于庞大且密度降低,导致在沉淀池中沉降特性差的情况。

例句

1.Operators need to monitor the levels of bulking sludge 膨胀污泥 to ensure proper sedimentation.

操作员需要监测<阐述>bulking sludge <阐述>膨胀污泥的水平,以确保适当的沉降。

2.To combat bulking sludge 膨胀污泥, we implemented a new aeration strategy.

为了应对<阐述>bulking sludge <阐述>膨胀污泥,我们实施了一种新的曝气策略。

3.The lab results showed an increase in bulking sludge 膨胀污泥 due to excessive nutrient loading.

实验室结果显示,由于营养物质过载,<阐述>bulking sludge <阐述>膨胀污泥有所增加。

4.The treatment plant faced issues with bulking sludge 膨胀污泥, which affected the efficiency of the system.

污水处理厂面临着<阐述>bulking sludge <阐述>膨胀污泥的问题,这影响了系统的效率。

5.The presence of bulking sludge 膨胀污泥 can lead to increased operational costs in wastewater treatment.

存在<阐述>bulking sludge <阐述>膨胀污泥可能导致污水处理的运营成本增加。

作文

In the realm of wastewater treatment, the term bulking sludge refers to a phenomenon where the sludge in a treatment system becomes excessively thick and difficult to manage. This issue often arises in activated sludge systems, where microorganisms are used to break down organic matter in wastewater. The presence of bulking sludge can lead to several operational challenges, including poor settling characteristics, which can result in the loss of treated water quality and increased costs for the facility. Understanding the causes and implications of bulking sludge is crucial for effective wastewater management.The primary cause of bulking sludge is often linked to the proliferation of specific types of bacteria, particularly filamentous bacteria. These microorganisms tend to grow in long, thread-like structures that can entangle other particles and create a bulky mass. When this occurs, the overall density of the sludge decreases, making it less likely to settle at the bottom of the treatment tank during the sedimentation process. As a result, operators may notice that the treated effluent appears cloudy or turbid, indicating that not all solids have been adequately removed. Another contributing factor to bulking sludge is the imbalance of nutrients within the treatment system. For instance, if there is an excess of organic material without sufficient nitrogen or phosphorus, certain bacteria may dominate and contribute to bulking. Additionally, changes in temperature, pH levels, or hydraulic loading can also influence sludge behavior, leading to the emergence of bulking sludge.To mitigate the effects of bulking sludge, wastewater treatment facilities often implement various strategies. One common approach is to adjust the operational parameters of the treatment process, such as aeration rates and retention times. By optimizing these factors, operators can create conditions that favor the growth of beneficial bacteria while suppressing the proliferation of filamentous species. Another strategy involves the addition of chemical agents that help improve the settling characteristics of the sludge, thereby reducing the impact of bulking sludge on overall treatment efficiency.Regular monitoring and analysis of the sludge composition are essential for identifying the early signs of bulking sludge. Operators can conduct microscopic examinations to determine the types of microorganisms present and assess their relative abundance. This information can guide decision-making regarding adjustments to the treatment process. Moreover, implementing a robust maintenance schedule for the treatment equipment can help prevent conditions that lead to bulking sludge formation.In conclusion, bulking sludge is a significant concern in wastewater treatment that can compromise the effectiveness of the process and the quality of the final effluent. By understanding its causes and consequences, operators can take proactive measures to manage and mitigate this issue. Through careful monitoring, operational adjustments, and the use of chemical aids, facilities can maintain optimal performance and ensure that they meet regulatory standards for water quality. Ultimately, addressing bulking sludge is vital for the sustainability and efficiency of wastewater treatment operations, benefiting both the environment and public health.

在废水处理领域,术语bulking sludge指的是一种现象,其中处理系统中的污泥变得过于浓稠,难以管理。这个问题通常发生在活性污泥系统中,在这些系统中,微生物被用来分解废水中的有机物质。bulking sludge的存在可能导致多种操作挑战,包括沉降特性差,这可能导致处理水质的下降以及设施成本的增加。理解bulking sludge的原因和影响对于有效的废水管理至关重要。bulking sludge的主要原因通常与特定类型细菌的繁殖有关,特别是丝状细菌。这些微生物往往以长而线状的结构生长,能够缠绕其他颗粒并形成一个庞大的质量。当这种情况发生时,污泥的整体密度降低,使其在沉淀过程中更不容易沉降到处理池的底部。因此,操作人员可能会注意到处理后的出水看起来浑浊或混浊,表明并非所有固体都已被充分去除。造成bulking sludge的另一个因素是处理系统内营养物质的不平衡。例如,如果有机物质过剩而氮或磷不足,某些细菌可能会占主导地位并导致膨胀。此外,温度、pH值或水力负荷的变化也会影响污泥行为,导致bulking sludge的出现。为了减轻bulking sludge的影响,废水处理设施通常会实施各种策略。一种常见的方法是调整处理过程的操作参数,例如曝气速率和滞留时间。通过优化这些因素,操作人员可以创造有利于有益细菌生长的条件,同时抑制丝状物种的繁殖。另一种策略涉及添加化学剂,以帮助改善污泥的沉降特性,从而减少bulking sludge对整体处理效率的影响。定期监测和分析污泥成分对于识别bulking sludge的早期迹象至关重要。操作人员可以进行显微镜检查,以确定存在的微生物类型及其相对丰度。这些信息可以指导关于调整处理过程的决策。此外,为处理设备实施强有力的维护计划可以帮助防止导致bulking sludge形成的条件。总之,bulking sludge是废水处理中的一个重要问题,它可能危及处理过程的有效性和最终出水的质量。通过理解其原因和后果,操作人员可以采取主动措施来管理和减轻这一问题。通过仔细监测、操作调整和使用化学辅助手段,设施可以保持最佳性能,确保其符合水质的监管标准。最终,解决bulking sludge问题对于废水处理操作的可持续性和效率至关重要,有利于环境和公共健康。

相关单词

bulking

bulking详解:怎么读、什么意思、用法