Table 2.
Ultimate and proximate analysis of Spirulina platensis (0), disposed masks (100%), and at different mask blend ratios (25%, 50%, and 75%, w/w)
| Ultimate analysis (wt%) | Proximate analysis (wt%) | HHV (MJ kg−1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mask blend ratio (%) | N | C | H | S | O | Moisture | Volatile matter | Ash | Fixed carbon | |
| 0 | 9.13 | 42.19 | 5.88 | 0.72 | 34.83 | 5.25 | 75.25 | 7.25 | 12.25 | 18.95 |
| 25 | 3.16 | 60.25 | 11.45 | 0.34 | 19.19 | 4.12 | 81.12 | 5.61 | 9.15 | 33.11 |
| 50 | 1.91 | 75.53 | 12.18 | 0.13 | 5.48 | 3.02 | 85.96 | 4.77 | 6.25 | 40.45 |
| 75 | 0.37 | 82.75 | 12.13 | 0.00 | 1.77 | 1.45 | 93.45 | 2.98 | 2.12 | 43.09 |
| 100 | 0.00 | 83.84 | 13.77 | 0.00 | 1.97 | 0.19 | 97.54 | 0.42 | 1.85 | 45.46 |