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Treatment effectiveness of bioaugmentation on aniline wastewater with SBR

  • Zhe Wang*
  • , Li Wei
  • , Fang Ma
  • , Guang Zhao
  • , Si Zhang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Aniline-degrading bacteria conserved by laboratory were tested in Sequencing Batch Reactor(SBR) to investigate the capability of aniline removal, the variation of interrelated index such as COD, NH4+, NO2- and NO3-, and the community succession of microorganism. The results showed that SBR started up quickly and degraded aniline effectively. The removal efficiency of aniline reached 100% and the removal efficiency of COD was about 93% when the system reached steady running. The photographs screened by scanning electron microscope(SEM) indicated that the aniline-degrading bacteria spread over the activated sludge. It was found from the PCR-DGGE map and the similarity matrix that the species and the amounts of microorganism changed greatly, and dominant species in the system were strengthened.

Original languageEnglish
Pages (from-to)949-953
Number of pages5
JournalHarbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology
Volume42
Issue number6
StatePublished - Jun 2010

Keywords

  • Aniline-degradation
  • Bioaugmentation
  • Community succession
  • PCR-DGGE

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