Table 1.
Average values of the chemical composition, standard deviation (SD) and coefficient of variation (CV) of the residues of the four biomasses.
| Sample names | Chemical composition (%) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Lignin | Extractives | Minerals | Holocellulosea | V.Mb | Ash | F.Ca,c | ||
| Acai | Mean SD CV |
21.83 0.37 1.71 |
20.33 1.35 6.65 |
2.19 0.09 4.27 |
55.65 1.54 2.79 |
75.65 0.82 0.01 |
1.87 0.10 0.06 |
22.48 0.91 0.04 |
| Babassu | Mean SD CV |
27.77 0.78 2.81 |
5.01 0.41 8.28 |
1.76 0.06 3.77 |
65.46 0.29 0.14 |
79.61 0.83 0.01 |
1.59 0.06 0.04 |
18.78 0.83 0.04 |
| Brazil nut | Mean SD CV |
56.40 5.35 0,09 |
4.45 0.24 5.42 |
2.71 0.02 0.83 |
36.44 1.02 0.78 |
65.61 0.29 0.00 |
2.07 0.05 0.02 |
32.32 0.27 0.01 |
| Oil palm shell | Mean SD CV |
32.91 0.30 0.01 |
24.79 0.12 0.49 |
2.67 0.01 0.68 |
39.63 1.07 1.94 |
79.62 0.41 0.01 |
2.46 0.14 0.06 |
17.92 0.46 0.03 |
Where = a: Values obtained by difference; b: Volatile matter; c: Fixed Carbon.