Insights into the Microbiota of a Textile Wastewater Treatment System towards Sustainable Bioremediation of Industrial Wastes

Abstract:

Investigating the intricate microbial communities within a textile wastewater treatment system is crucial for understanding their potential role in the process, and possibly for process optimization in the future. Dye-containing wastewater sludge samples were collected from a textile industry treatment plant. Employing total genomic DNA extraction, amplicon sequencing, and sequence data analysis, this research investigated the microbial community composition in three treatment tanks. Rarefaction curves confirm adequate sequencing depth, with the aeration tank displaying the highest reads. Alpha diversity reveals richer microbial communities in the anoxic tank, while all samples demonstrate similar diversity and species richness. Proteobacteria dominate at the phylum level, predominantly in the aerobic tank, signifying their involvement in nitrogen removal. Conversely, anoxic sludge features Planctomycetota and Thermotogota, potentially participating in anaerobic processes. Genus-level analysis highlights the potential significance of SM1A02 in nitrogen metabolism under anoxic conditions, while Denitratisoma dominates in aerobic tank, indicating denitrification as the main process in this tank. This study offers valuable insights into the microbial community members present in the textile wastewater treatment system, and their potential roles, towards a more sustainable biodegradation strategies of dye-containing wastewater.

• Periodical: Key Engineering Materials (Volume 1002)
• Pages: 119-131
• DOI: https://doi.org/10.4028/p-4E4xtI
• Online since: December 2024
• Authors: Mustapha Muhammad Isah, Zhang Taining, Nur Kamilah Abd Jalil, Zaharah Ibrahim, Mohd Firdaus Abdul-Wahab*
• Keywords: Aerobic, Anoxic, Bioremediation, Microbial Community, Sludge

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