Abstract
The effects of extracellular polymeric substances on aerobic granulation in sequencing batch reactors were investigated by evaluating the content and compositions of extracellular polymeric substances, and the relationship between extracellular polymeric substances composition and surface properties of glucose-fed aerobic granules. The results showed that extracellular polymeric substances could affect surface properties of cells, such as surface charge and hydrophobicity, enhance polymeric interaction and promote aerobic granulation. Moreover, extracellular polymeric substances were produced mainly in the exponential phase, and served as carbon and energy source in starvation phase during granulation process, thus regulating the growth of bacteria in the interior and exterior of granules, and maintaining the integrality of granules.
| Original language | English |
|---|---|
| Pages (from-to) | 1728-1735 |
| Number of pages | 8 |
| Journal | Chemosphere |
| Volume | 63 |
| Issue number | 10 |
| DOIs | |
| State | Published - Jun 2006 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Aerobic granular sludge
- Extracellular polymeric substances
- Hydrophobicity
- Surface charge
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