The Effect of Organic Synthetic Tanning Agents with Different Triazine Structures on Microbial Community Structure in Wastewater

To explore the environmental impact exerted by triazine-based non-metallic organic synthetic tanning agents, four synthetic tanning agents, namely 1#, 2#, 3# and 5#, were taken as the research subjects. The wastewater samples with the addition of these four synthetic tanning agents were denoted as T...

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Bibliographic Details
Published inPige Kexue Yu Gongcheng Vol. 35; no. 2; pp. 8 - 15
Main Authors Chuyu SONG, Xihuai QIANG, Xuechuan WANG, Taotao QIANG, Chengtao LI
Format Journal Article
LanguageChinese
Published Leather Science and Engineering Editorial Office 01.04.2025
Subjects
biodegradability
high-throughput sequencing
microorganism
tanning agent
triazine structure
wastewater
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Summary:To explore the environmental impact exerted by triazine-based non-metallic organic synthetic tanning agents, four synthetic tanning agents, namely 1#, 2#, 3# and 5#, were taken as the research subjects. The wastewater samples with the addition of these four synthetic tanning agents were denoted as T1, T2, T3, and T5. The biodegradation performance of the synthetic tanning agents was determined by adopting the BOD5/COD evaluation index and the CO2 evaluation index methods. The influence of the four synthetic tanning agents on the microbial community structure characteristics and microbial ecology in the wastewater was investigated by utilizing high-throughput sequencing technology. The results indicated that all the four non-metallic organic synthetic tanning agents belonged to biodegradable substances. In the wastewater samples of T1, T2, and T3, Firmicutes was the dominant phylum, while Proteobacteria was the dominant phylum in the wastewater sample of T5. Additionally, the triazine structure of the syntheti
ISSN:1004-7964
DOI:10.12472/j.issn.1004-7964.202400113