Table 1 Ash content, total macro-and micronutrients, Cd, and Pb contents in raw materials (BSG, FPR, and LPR)
Raw materials | Ash | TotalN | TotalP | TotalCa | TotalK | TotalMg | TotalNa | TotalCu | TotalFe | TotalMn | TotalNi | TotalZn | TotalCd | TotalPb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | % | g kg−1 | g kg−1 | g kg−1 | g kg−1 | g kg−1 | g kg−1 | mg kg−1 | mg kg−1 | mg kg−1 | mg kg−1 | mg kg−1 | mg kg−1 | mg kg−1 |
BSG | 4.10 ± 0.1 | 47.9 ± 0.7 | 4.79 ± 0.4 | 4.41 ± 0.5 | 0.51 ± 0.0 | 1.63 ± 0.1 | 0.07 ± 0.0 | 14.3 ± 1.4 | 169 ± 13 | 37.3 ± 2.1 | 2.5 ± 0.3 | 97.5 ± 7.9 | < 0.01 | 0.28 ± 0.06 |
FPR | 20.4 ± 0.8 | 30.9 ± 1.0 | 4.80 ± 0.8 | 6.67 ± 0.7 | 33.4 ± 1.1 | 1.58 ± 0.1 | 7.00 ± 0.2 | 8.94 ± 1.5 | 137 ± 21 | 75.5 ± 6.7 | 5.1 ± 0.8 | 26.4 ± 2.1 | < 0.01 | 0.38 ± 0.09 |
LPR | 20.1 ± 0.5 | 14.5 ± 0.6 | 1.95 ± 0.3 | 10.3 ± 0.5 | 9.04 ± 0.8 | 1.02 ± 0.1 | 0.70 ± 0.0 | 5.52 ± 1.0 | 114 ± 15 | 5.54 ± 0.6 | 1.8 ± 0.1 | 12.8 ± 1.0 | < 0.01 | 0.19 ± 0.04 |