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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Evolution of the microbial community in a full-scale printing and dyeing wastewater treatment system
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Evolution of the microbial community in a full-scale printing and dyeing wastewater treatment system

机译：大规模印染废水处理系统中微生物群落的演变

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摘要

In this study, the dynamics of bacterial, fungal and archaeal populations in two-stage biological processes of a full-scale printing and dyeing wastewater treatment system were traced using cultivation and molecular biological techniques. The enumeration results indicated that bacteria were the dominant population in the system, in which the ratio of fungi to bacteria decreased in all the treatment units, while the ratio of archaea to bacteria increased significantly, especially in samples from the second-stage biological treatment process. PCR-denaturing gradient gel electrophoresis (DGGE) analysis showed that the microbial diversity increased with system running and 64.6% of bacterial, 57.6% of fungal and 38.2% of archaeal populations remained in the system from the seed sludge during system start-up. In spite of variation in the microbial community and composition of the influents, some bacterial species such as Thauera sp. and Xanthomonadaceae were present simultaneously in all the collected samples.
机译：在这项研究中，使用培养和分子生物学技术追踪了全规模印染废水处理系统两阶段生物过程中细菌，真菌和古细菌的种群动态。枚举结果表明，细菌是系统中的主导种群，其中所有处理单元中的真菌与细菌的比率均下降，而古细菌与细菌的比率则显着增加，尤其是在第二阶段生物处理过程中的样品中。 PCR变性梯度凝胶电泳（DGGE）分析表明，微生物多样性随着系统运行而增加，并且在系统启动过程中，种子污泥会残留在系统中的细菌为64.6％，真菌为57.6％，古细菌为38.2％。尽管进水的微生物群落和组成有所变化，但某些细菌物种，如Thauera sp.。所有收集的样品中同时存在黄单胞菌和黄原花科。

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