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The effects of manganese oxide octahedral molecular sieve chitosan microspheres on sludge bacterial community structures during sewage biological treatment.


ABSTRACT: This study examines the effects of manganese oxide octahedral molecular sieve chitosan microspheres (Fe3O4@OMS-2@CTS) on anaerobic and aerobic microbial communities during sewage biological treatment. The addition of Fe3O4@OMS-2@CTS (0.25?g/L) resulted in enhanced levels of operational performance for decolourization dye X-3B. However, degradation dye X-3B inhibition in the presence of Fe3O4@OMS-2@CTS was recorded as greater than or equal to 1.00?g/L. Illumina MiSeq high throughput sequencing of the 16?S rRNA gene showed that 108 genera were observed during the anaerobic process, while only 71 genera were observed during the aerobic process. The largest genera (Aequorivita) decreased from 21.14% to 12.65% and the Pseudomonas genera increased from 10.57% to 12.96% according to the abundance in the presence of 0.25?g/L Fe3O4@OMS-2@CTS during the anaerobic process. The largest Gemmatimonas genera decreased from 21.46% to 11.68% and the Isosphaerae genera increased from 5.8% to 11.98% according to the abundance in the presence of 0.25?g/L Fe3O4@OMS-2@CTS during the aerobic process. Moreover, the X-ray photoelectron spectroscopy results show that the valence states of Mn and Fe in Fe3O4@OMS-2@CTS changed during sewage biological treatment.

SUBMITTER: Pan F 

PROVIDER: S-EPMC5116614 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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The effects of manganese oxide octahedral molecular sieve chitosan microspheres on sludge bacterial community structures during sewage biological treatment.

Pan Fei F   Liu Wen W   Yu Yang Y   Yin Xianze X   Wang Qingrong Q   Zheng Ziyan Z   Wu Min M   Zhao Dongye D   Zhang Qiu Q   Lei Xiaoman X   Xia Dongsheng D  

Scientific reports 20161121


This study examines the effects of manganese oxide octahedral molecular sieve chitosan microspheres (Fe<sub>3</sub>O<sub>4</sub>@OMS-2@CTS) on anaerobic and aerobic microbial communities during sewage biological treatment. The addition of Fe<sub>3</sub>O<sub>4</sub>@OMS-2@CTS (0.25 g/L) resulted in enhanced levels of operational performance for decolourization dye X-3B. However, degradation dye X-3B inhibition in the presence of Fe<sub>3</sub>O<sub>4</sub>@OMS-2@CTS was recorded as greater than  ...[more]

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