Table 3 Heavy metals concentration in the used substrates
From: Comparative study on factors affecting anaerobic digestion of agricultural vegetal residues
No. | Heavy metal | Heavy metal concentration in wheat bran, [mg / kg] | Heavy metal concentration in the mix, [mg / kg] |
|---|---|---|---|
1 | Cr | 0.919 | 0.705 |
2 | Mn | 184.127 | 59.158 |
3 | Co | 1.385 | 0.6 |
4 | Ni | 1.494 | - |
5 | Cu | 6.053 | - |
6 | As | 0.366 | - |
7 | Se | 0.833 | 0.289 |
8 | Br | 5.472 | 10.114 |
9 | Sr | 7.256 | 2.098 |
10 | Cd | 4.102 | 3.58 |
11 | Sn | - | 0.584 |
12 | Hg | - | - |
13 | Pb | 6318 | 8.291 |