Abstract
The ammonia-oxidizing bacterial (AOB) communities in three membrane bioreactors (MBRs) were monitored for 2 months after an acclimation period in order to investigate the influence of sludge age and medium type on AOB changeability and its connection with nitrification effectiveness. One MBR with a sludge age of 4 days was fed with a synthetic medium, whereas the other two with sludge ages of 8 and 32 days were fed with landfill leachate. The research revealed that landfill leachate can be effectively treated in an MBR with a higher sludge age for longer periods of time and that this improvement in performance was correlated with an increase in AOB biodiversity. Interestingly, the medium type has a stronger influence on AOB biocenosis formation than the sludge age.
| Original language | English |
|---|---|
| Pages (from-to) | 1035-1043 |
| Number of pages | 9 |
| Journal | Journal of Microbiology and Biotechnology |
| Volume | 22 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - Aug 2012 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation -
SDG 12 Responsible Consumption and Production
Keywords
- 16s rRNA gene
- Activated sludge
- Ammonia-oxidizing bacteria
- Fish
- MBR
- PCR-DGGE
ASJC Scopus subject areas
- Biotechnology
- Applied Microbiology and Biotechnology
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