Abstract
The multistage bio-contact oxidation reactor (MBCOR) has been extensively applicated in the oily wastewater treatment. Nonetheless, the underlying mechanisms, especially the fungal community information during the bioremediation of low-COD and high-salinity oilfield produced water is still poorly understood. In this study, the fungal community succession, and fungi-bacteria interactions of a MBCOR were investigated. The result of Illumina high-throughput sequencing showed that the chemical oxygen demand was the main variable in influencing the community structure within the first tank. Besides, the linear discriminant analysis effect size analysis disclosed the feature fungal taxa at different stages, revealing that the fungal community shift was driven by its functional needs. Additionally, network analysis revealed that fungal and bacterial communities were highly interconnected and possessed cooperative relationships. Furthermore, the equilibrium of fungal-bacterial communities was primarily influenced by species richness and diversity. This study provides a deeper insight into the role of fungi within MBCOR in treating oily wastewater.
Funder
Shaanxi Province Academy of Sciences Project
Zhoushan Science and Technology Department Project
Fundamental Research Funds for the Central Universities
Scientific and Technological Aid Project for Xinjiang
Western Young Scholars Project of Chinese Academy of Science
Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control
Publisher
Korean Society of Environmental Engineering
Subject
Environmental Engineering
Cited by
1 articles.
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