| No. | Delivery Techniques | Initial Concentration (g/kg) | Final Concentration (g/kg) | Biodegradation rate (g/kg/d) | Biodegradation Efficiency (%) | 
| 1 | Natural attenuation (NA) | 200 | 148.0 | 0.92 | 26 | 
| 2 | LIBeM-LIQ | 200 | 38.0 | 2.89 | 81 | 
| 3 | LIBeM-POW | 200 | 16.7 | 3.27 | 92 | 
| 4 | LIBeM-CAP | 200 | 27.0 | 3.08 | 86 |