Abstract
Auto-flocculation (AF) leads to co-precipitation with inorganic salt ions at high pH levels, and bio-flocculation (BF) depends on the production of extracellular polymeric substances during algal growth phases. This study examines the separation efficiency of Chlorella vulgaris formed in AF/BF conditions, without the addition of chemical coagulants. To improve the efficiency of conventional gravity sedimentation (CGS) and dissolved air flotation (DAF), AF/BF conditions were considered as pH/mixing-induced stress. The higher efficiency of DAF was affected by the mixing-stagnation condition for Chlorella vulgaris and influenced by the high temperature and condition under which no nutrients were added to AF/BF for Anabaena sp.
| Original language | English |
|---|---|
| Pages (from-to) | 1185-1196 |
| Number of pages | 12 |
| Journal | Separation Science and Technology |
| Volume | 55 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2020.04.12 |
Keywords
- Algae harvesting
- auto-flocculation
- bio-flocculation
- flotation
- particle separation
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Petroleum
- Engineering - Chemical
- Chemistry
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