当前位置： SCI文献检索 > BIORESOURCE TECHNOLOGY期刊下所有文献 > Illumina MiSeq sequencing reveals the key microorganisms involved in partial nitritation followed by simultaneous sludge fermentation, denitrification and anammox process.

Illumina MiSeq sequencing reveals the key microorganisms involved in partial nitritation followed by simultaneous sludge fermentation, denitrification and anammox process.

Abstract：

:A combined process including a partial nitritation SBR (PN-SBR) followed by a simultaneous sludge fermentation, denitrification and anammox reactor (SFDA) was established to treat low C/N domestic wastewater in this study. An average nitrite accumulation rate of 97.8% and total nitrogen of 9.4mg/L in the effluent was achieved during 140days' operation. The underlying mechanisms were investigated by using Illumina MiSeq sequencing to analyze the microbial community structures in the PN-SBR and SFDA. Results showed that the predominant bacterial phylum was Proteobacteria in the external waste activated sludge (WAS, added to the SFDA) and SFDA while Bacteroidetes in the PN-SBR. Further study indicated that in the PN-SBR, the dominant nitrobacteria, Nitrosomonas genus, facilitated nitritation and little nitrate was generated in the PN-SBR effluent. In the SFDA, the co-existence of functional microorganisms Thauera, Candidatus Anammoximicrobium and Pseudomonas were found to contribute to simultaneous sludge fermentation, denitrification and anammox.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Wang B,Peng Y,Guo Y,Zhao M,Wang S

doi

10.1016/j.biortech.2016.01.072

subject

Has Abstract

pub_date

2016-05-01 00:00:00

pages

118-25

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(16)30048-7

journal_volume

207

pub_type

杂志文章

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