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- Title
Microbial entropy change and external dissipation process of urban sewer ecosystem.
- Authors
Gu, Yonggang; Jin, Pengkang; Shi, Xuan; Wang, Xiaochang
- Abstract
As the initial stage of the sewage treatment system, the degradation of pollutants inevitably involves an entropy change process. Microorganisms play a vital role, where they interact with pollutants and constantly adjust own ecosystem. However, there is a lack of research on the entropy change and external dissipation processes within the sewer system. In this study, considering the characteristics of microbial population changes in the biofilm within the urban sewage pipe network, entropy theory is applied to characterize the attributes of different microorganisms. Through revealing the entropy change of the microbial population and chemical composition, a coupling relationship between the functional bacteria diversity, organic substances composition, and external dissipation in the pipeline network is proposed. The results show that the changes of nutrient availability, microbial community structure, and environmental conditions all affect the changes of information entropy in the sewer network. This study is critical for assessing the understanding of ecological dynamics and energy flows within these systems and can help researchers and operation managers develop strategies to optimize wastewater treatment processes, mitigate environmental impacts, and promote sustainable management practices.
- Subjects
URBAN ecology; SUSTAINABILITY; SEWAGE purification; ENTROPY; MICROORGANISM populations; BIOFILMS; ECOSYSTEMS
- Publication
Environmental Monitoring & Assessment, 2024, Vol 196, Issue 3, p1
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-024-12486-5