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Different extraction profiles applied to mixed, lyophilized Scenedesmus biomass and the corresponding extraction yields after SCCO2 extraction and soxhlet extraction of the spent material
| Profile | Extraction pressure (MPa) | Extraction temp. (°C) | CO2: biomass ratio | Extraction yield (% w/w) | Soxhlet yields of spent material (% w/w) |
|---|---|---|---|---|---|
| 1 | 7 | 20 | 20 | 6.5 | 1.0 |
| 2 | 7 | 20 | 100 | 6.6 | 2.0 |
| 3 | 12 | 20 | 20 | 6.6 | 1.8 |
| 4 | 12 | 20 | 100 | 8.3 | 2.1 |
| 12 | 20 | 100 | 7 | 2.8 | |
| 5 | 15 | 20 | 100 | 6.6 | 3.0 |
| 15 | 20 | 100 | 6.5 | 2.8 |
Extraction time 540 min
