Table 3 Indication of the biosurfactants that showed the best demulsification results identified by the statistical tests
From: Yeasts and bacterial biosurfactants as demulsifiers for petroleum derivative in seawater emulsions
Biosurfactant concentration | Demulsification of motor oil (%) by the biosurfactants produced | |
|---|---|---|
Distilled water | Sea water | |
Cell-free broth | P. aeruginosa (44.0 ± 0.5) | P. aeruginosa (50.0 ± 0.6) |
½ CMC | Bacillus sp. (46.6 ± 0.9) | P. cepacia (45.0 ± 0.9) |
CMC | P. aeruginosa (48.0 ± 0.9) | Bacillus sp. (54.4 ± 0.9) |
2 × CMC | P. aeruginosa (62.0 ± 0.9) | Bacillus sp. (66.0 ± 0.9) |