Open Access
Tableau 1.
Caractéristiques des 24 coproduits de l’huilerie étudiés.
| Coproduits étudiés | Nature | Matière sèche (%) | Matière organique (%) | DCO (g/kg ou g/L) |
|---|---|---|---|---|
| Tourteaux déclassés | Colza | 87,9 | 80,4 | 1 033 |
| Tournesol | 89,0 | 83,0 | 1 130 | |
| Fond de bac | Tournesol | 94,0 | 89,0 | 1 650 |
| Colza | 53,0 | 49,0 | 1 130 | |
| Pâtes de neutralisation | Colza | 65,5 | 60,0 | 825 |
| Coprah* | - | - | 309 | |
| Tournesol | 52,5 | 44,0 | 1 200 | |
| Pépin de raisin | 42,0 | 38,0 | 925 | |
| Gommes | - | 38,0 | 35,0 | 777 |
| Terres décoloration usagées | Tournesol (site 1) | 84,0 | 40,0 | 1 080 |
| Tournesol (site 2) | 95,0 | 44,5 | 1 005 | |
| Palme | 99,0 | 51,0 | 945 | |
| Pépin de raisin | 91,0 | 43,0 | 880 | |
| Terres de wintérisation usagées | Tournesol | 89,0 | 55,0 | 1 350 |
| Condensats de désodorisation | Tournesol | 99,0 | 99,0 | 2 705 |
| Distillats d’acides gras | - | 7,3 | 7,1 | - |
| Palme | 100,0 | 100,0 | - | |
| Glycérine | Site 1 | 92,0 | 87,0 | 1 023 |
| Site 2 | 96,5 | 94,0 | 1 120 | |
| Eau de lavage* | - | - | - | 90 |
| Eau d’estérification* | - | - | - | 46 |
| Graisse d’aéroflottation | Site 1 | 5,5 | 1,9 | 183 |
| Site 2 | 9,2 | 7,8 | - | |
| Boues de station d’épuration | - | 10,7 | 9,1 | 138 |
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