Table 2 Ultimate analysis of experimental papers reviewed in this study. The values are converted into wt% on a dry ash free (daf) basis
Study No. | Study | C | O | N | S | H |
|---|---|---|---|---|---|---|
1 | Trinh et al. [39] | 60.09 | 22.10 | 8.58 | 1.93 | 7.30 |
2 | Fonts et al. [40] | 47.19 | 37.31 | 6.64 | 1.36 | 7.50 |
3 | Shen et al. [41] | 41.78 | 47.38 | 4.30 | 1.14 | 5.40 |
4 | Alvarez et al. [42] | 40.64 | 41.24 | 7.71 | 3.30 | 7.11 |
5 | Chen et al. [43] | 52.29 | 29.13 | 7.65 | 2.50 | 8.44 |
6 | Chen et al. [44] | 53.74 | 33.42 | 6.57 | 1.48 | 4.79 |
7 | Freda et al. [45] | 58.56 | 29.45 | 4.56 | 0.00 | 7.42 |
8 | Lee et al. [46] | 48.43 | 34.02 | 8.59 | 0.70 | 8.26 |
9a | Fonts et al. [47] | 47.42 | 37.27 | 6.82 | 1.33 | 7.15 |
9b | 48.13 | 36.88 | 6.67 | 1.88 | 6.46 | |
9c | 47.19 | 37.31 | 6.64 | 1.36 | 7.50 | |
10 | Huang et al. [48] | 51.58 | 31.41 | 8.78 | 0.00 | 8.22 |
11 | Xie et al. [49] | 53.21 | 33.28 | 6.12 | 0.00 | 7.39 |
12 | Zhou et al. [50] | 52.61 | 32.06 | 6.86 | 0.00 | 8.47 |
13 | Calvo et al. [51] | 58.29 | 23.67 | 9.02 | 1.77 | 7.25 |
14 | Qian et al. [52] | 51.51 | 33.48 | 7.84 | 1.15 | 6.03 |
15 | Xu et al. [54] | 52.48 | 25.58 | 9.01 | 4.96 | 7.97 |