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题名: Decolorization enhancement by optimizing azo dye loading rate in an anaerobic reactor
作者: Cui, Min-Hua; Cui, Dan; Liang, Bin; Sangeetha, Thangavel; Wang, Ai-Jie; Cheng, Hao-Yi
刊名: RSC ADVANCES
出版日期: 2016
卷号: 6, 期号:55, 页码:49995-50001
DOI: 10.1039/c6ra04665g
部门归属: 中国科学院环境生物技术重点实验室
英文摘要: An up-flow anaerobic sludge blanket (UASB) reactor was developed to investigate the effect of azo dye loading rate on the decolorization performance and microbial community. The results indicated that the decolorization efficiency decreased from 95.84 +/- 2.60 to 62.98 +/- 8.66% with the azo dye loading rate increasing from 100 to 800 g m(-3) d(-1). The inhibition of the high azo dye loading rate on the microbial activity was reversible. The decolorization efficiency rose with the azo dye loading rate decreasing and recovered to 92.15 +/- 3.86% at an azo dye loading rate of 600 g m(-3) d(-1). The results of 16S rRNA gene sequencing based on the high-throughput Illumina MiSeq sequencing showed that the microbial diversity of the sludge in UASB was reduced compared to the inoculum. Proteobacteria (40.51%) and Firmicutes (33.17%) were enriched. Enterobacter and Enterococcus with relative abundances of 26.99% and 20.38% were the most enriched genera, which were also functional for azo dye reduction.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36113
Appears in Collections:中国科学院环境生物技术重点实验室_期刊论文

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