Table 1 Proximate and ultimate analyses (wt%, dry basis) of algal biomass feedstocks
From: Liquid fuel generation from algal biomass via a two-step process: effect of feedstocks
NO | AuP | ArP | SL | UP | SJ | LM | PY | |
|---|---|---|---|---|---|---|---|---|
Ash | 10.69 | 5.46 | 12.62 | 7.85 | 34.24 | 28.10 | 20.51 | 12.45 |
Volatiles | 72.05 | 72.37 | 63.46 | 70.75 | 43.43 | 53.27 | 56.95 | 62.02 |
Fixed carbon | 17.26 | 22.16 | 23.92 | 21.40 | 22.33 | 18.63 | 22.54 | 25.53 |
Lipid | 11.30 | 12.70 | 6.20 | 28.60 | 3.20 | 2.70 | 2.22 | 0.56 |
Protein | 41.69 | 53.56 | 62.69 | 46.88 | 27.50 | 14.44 | 28.13 | 36.19 |
Carbohydrate | 36.32 | 28.28 | 18.49 | 18.29 | 35.06 | 54.76 | 49.16 | 50.80 |
C | 50.10 | 52.07 | 44.16 | 53.99 | 30.04 | 32.24 | 38.08 | 40.55 |
H | 7.45 | 7.15 | 6.27 | 7.53 | 4.66 | 4.71 | 4.87 | 6.18 |
N | 6.67 | 8.57 | 10.03 | 7.50 | 4.40 | 2.31 | 4.50 | 5.79 |
O | 32.92 | 25.00 | 21.65 | 20.58 | 30.35 | 19.78 | 20.72 | 29.40 |
S | 0.76 | 0.62 | 0.64 | 0.56 | 1.73 | 0.64 | 0.52 | 2.03 |
HHV (MJ/kg) | 22.61 | 23.84 | 20.21 | 25.40 | 12.22 | 14.20 | 16.44 | 18.25 |
Na | 4.26 | 1.03 | 2.64 | 3.08 | 8.85 | 5.08 | 0.49 | 2.63 |
Mg | 2.65 | 0.35 | 1.41 | 0.45 | 0.57 | 0.29 | 0.66 | 0.12 |
Al | 0.11 | 0.15 | 0.34 | 0.14 | 1.11 | 0.30 | 1.08 | |
Si | 1.79 | 0.79 | 4.39 | 1.79 | 0.42 | 3.63 | 2.05 | 1.24 |
P | 0.10 | 0.45 | 2.49 | 0.18 | 0.73 | 1.71 | 1.27 | 1.63 |
Cl | 1.07 | 2.44 | 0.62 | 0.44 | 19.90 | 4.92 | 4.23 | 1.58 |
K | 2.51 | 0.38 | 4.64 | 2.73 | 4.52 | 6.62 | 2.15 | |
Ca | 1.61 | 3.92 | 0.87 | 0.99 | 2.31 | 5.70 | 8.92 | 3.09 |
Ti | 0.01 | 0.01 | 0.02 | 0.04 | ||||
Cr | 0.02 | 0.01 | 0.01 | |||||
Mn | 0.03 | 0.06 | 0.01 | 0.01 | 0.34 | 0.01 | 0.17 | |
Fe | 0.28 | 0.08 | 0.73 | 0.67 | 0.21 | 3.50 | 0.77 | 1.51 |
Ni | 0.06 | 0.08 | ||||||
Cu | 0.02 | 0.03 | 0.02 | 0.01 | 0.08 | 0.01 | ||
Zn | 0.01 | 0.01 | 0.01 | 0.02 | 0.20 | 0.02 | 0.06 | |
Br | 0.04 | 0.39 | 0.02 | |||||
Sr | 0.18 | 0.01 | 0.64 | 0.09 | ||||
Mo | 0.01 | 0.03 | 0.03 | |||||
Ru | 0.03 |