Table 4.
A comparison of the total oil sorption capacity (S) with the recent literature data in batch experiments.
| Material | Oil | Sorption Capacity (g/g) | Reference |
|---|---|---|---|
| PU-LMA microsphere | Diesel | 28.39 | [42] |
| PU-g-LMA | Diesel | 37.64 | [42] |
| PU-ac | Diesel | 32.5 | [45] |
| Gasoline | 32.0 | ||
| PU-palm fiber | Diesel | 28.9 | [55] |
| PU-graphite | Diesel | 20.0 | [56] |
| Biochar-PDMS nanohybrid embedded PU sponge |
Diesel | 26.88 | [57] |
| ZnO-PA sponge | Diesel | 33 | [58] |
| 3D PU | Gasoline | 15 | [59] |
| Cellulosic aerogel | SF crude oil | 57 | [60] |
| PU1 | Gasoline | 49.8 | This study |
| Diesel | 62.1 | ||
| PU2 | Gasoline | 51.9 | This study |
| Diesel | 65.2 |