Table 1 Seaweed characteristics as they relate to anaerobic digestion
From: A review of the current potential of European brown seaweed for the production of biofuels
Seaweed species | Proximate analysis | Ultimate analysis | C:N ratio | References | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
TS (% of w.w.) | VS (% of w.w.) | Ash (%TS) | C (%VS) | H (%VS) | N (%VS) | O (%VS) | S (%VS) | |||
 Alaria esculenta | 18.7 | 11.9 | 36.4 | 29.3 | 4.2 | 1.9 | 28.2 | – | 15.5 | [52] |
 Laminaria digitata | 14.2 | 10.3 | 27.2 | 34.2 | 4.8 | 1.5 | 32.3 | – | 22.3 | [52] |
|  | 9.5 | 7.6 | 1.7 | 48.0 | 6.3 | 3.1 | 42.6 | – | 15.5 | [73] |
|  | 17.7 | 14.4 | 18.31 | 33.45 | 4.71 | 1.22 | 42.31 | – | 27.42 | [74] |
|  | 13.7 | 1.3 | 18.9 | – | – | – | – | – | – | [75] |
 Laminaria digitata (fresh) | 7.78 | 72.0 | – | 27.28 | 3.77 | 3.17 | 37.54 | – | 8.6 | [76] |
 Laminaria digitata (dried) | 98.7 | 69.0 | – | 30.11 | 4.73 | 2.16 | 37.54 | – | 13.9 | [76] |
 Laminaria hyperborea (fresh) | 6.2 | 69.1 | – | 25.62 | 3.58 | 1.30 | 35.16 | – | 19.7 | [76] |
 Laminaria hyperborea (dried) | 97.9 | 63.2 | – | 28.67 | 4.26 | 1.02 | 35.16 | – | 28.1 | [76] |
 Saccharina latissima | 15.5 | 10.1 | 34.9 | 29.1 | 3.8 | 1.2 | 31.0 | – | 24.0 | [52] |
 Saccharina latissima | 9.2 | 5.3 | 42.80 | 27.85 | 3.58 | 1.80 | 24.02 | – | 15.84 | [77] |
|  | – | – | – | 31.5 | 4.0 | 2.2 | 28.4 | – | 14.3 | [78] |
|  | – | – | 24.2 | 31.3 | 3.7 | 2.4 | 36.3 | 0.7 | 13.0 | [34] |
 Saccorhiza polyschides | 15.3 | 13.1 | 14.0 | 36.1 | 5.0 | 1.6 | 44.3 | – | 23.2 | [52] |