Summarises highlighted data from the authors’ experiments, focusing on yields and reaction efficiencies
| Raw material | Sludge | Solution | Precipitate | |||||
|---|---|---|---|---|---|---|---|---|
| Samplename | Sludgeraw: g | Waste sulfuricacid: g | Filteredsludge: g | Driedsludge: g | Filteredsolution: g | Finalsolution: g | Filteredprecipitate: g | Driedprecipitate: g |
| LD 4H | 10 | 50 | 22.49 | 11.2 ± 0.88 | 23.22 | 17.0 ± 0.84 | 4.49 | 3.1 ± 0.32 |
| LD 5H | 10 | 50 | 19.28 | 10.4 ± 0.52 | 28.62 | 20.0 ± 0.50 | 7.9 | 5.8 ± 0.27 |
| LD 7H | 10 | 50 | 24.38 | 12.0 ± 0.71 | 24.96 | 18.3 ± 0.82 | 5.32 | 3.6 ± 0.19 |
| LD 9H | 10 | 50 | 22.9 | 11.3 ± 1.14 | 24.7 | 16.8 ± 0.98 | 5.63 | 3.5 ± 0.22 |
| CF 4H | 10 | 50 | 22.36 | 12.0 ± 0.53 | 26.43 | 16.3 ± 0.71 | 7.36 | 5.0 ± 0.24 |
| CF 5H | 10 | 50 | 17.7 | 8.4 ± 0.98 | 24.61 | 14.0 ± 0.77 | 8.82 | 6.1 ± 0.17 |
| CF 7H | 10 | 50 | 22.31 | 11.2 ± 0.75 | 24.29 | 16.4 ± 0.60 | 6.45 | 4.2 ± 0.13 |
| CF 9H | 10 | 50 | 21.47 | 8.0 ± 0.58 | 21.19 | 11.58 ± 0.41 | 7.78 | 5.2 ± 0.13 |
| CR 4H | 10 | 50 | 12.06 | 6.6 ± 046 | 42.44 | 38.3 ± 0.76 | 0.97 | 0.1 ± 0.1 |
| CR 5H | 10 | 50 | 11.82 | 6.3 ± 0.3 | 42.16 | 39.6 ± 0.37 | 0.62 | 0 |
| CR 7H | 10 | 50 | 11.51 | 7.6 ± 0.37 | 42.81 | 40.0 ± 0.50 | 0.79 | 0 |
| CR 9H | 10 | 50 | 10.92 | 6.9 ± 061 | 41.68 | 38.4 ± 0.95 | 0.87 | 0 |
| LD + CF 5H | 10 | 50 | 16.53 | 8.9 ± 0.83 | 31.05 | 13.6 ± 0.99 | 13.36 | 8.9 ± 0.31 |
| LD + CFdried sludge | 7.63 | Final sol 14 ± 1.5 + WSA 30 ± 4.6 | 4.98 | 1.2 ± 0.73 | 29.81 | 15.0 ± 3.35 | 14.27 | 9.3 ± 0.76 |
| Raw material | Sludge | Solution | Precipitate | |||||
|---|---|---|---|---|---|---|---|---|
| Samplename | Sludgeraw: g | Waste sulfuricacid: g | Filteredsludge: g | Driedsludge: g | Filteredsolution: g | Finalsolution: g | Filteredprecipitate: g | Driedprecipitate: g |
| LD 4H | 10 | 50 | 22.49 | 11.2 ± 0.88 | 23.22 | 17.0 ± 0.84 | 4.49 | 3.1 ± 0.32 |
| LD 5H | 10 | 50 | 19.28 | 10.4 ± 0.52 | 28.62 | 20.0 ± 0.50 | 7.9 | 5.8 ± 0.27 |
| LD 7H | 10 | 50 | 24.38 | 12.0 ± 0.71 | 24.96 | 18.3 ± 0.82 | 5.32 | 3.6 ± 0.19 |
| LD 9H | 10 | 50 | 22.9 | 11.3 ± 1.14 | 24.7 | 16.8 ± 0.98 | 5.63 | 3.5 ± 0.22 |
| CF 4H | 10 | 50 | 22.36 | 12.0 ± 0.53 | 26.43 | 16.3 ± 0.71 | 7.36 | 5.0 ± 0.24 |
| CF 5H | 10 | 50 | 17.7 | 8.4 ± 0.98 | 24.61 | 14.0 ± 0.77 | 8.82 | 6.1 ± 0.17 |
| CF 7H | 10 | 50 | 22.31 | 11.2 ± 0.75 | 24.29 | 16.4 ± 0.60 | 6.45 | 4.2 ± 0.13 |
| CF 9H | 10 | 50 | 21.47 | 8.0 ± 0.58 | 21.19 | 11.58 ± 0.41 | 7.78 | 5.2 ± 0.13 |
| CR 4H | 10 | 50 | 12.06 | 6.6 ± 046 | 42.44 | 38.3 ± 0.76 | 0.97 | 0.1 ± 0.1 |
| CR 5H | 10 | 50 | 11.82 | 6.3 ± 0.3 | 42.16 | 39.6 ± 0.37 | 0.62 | 0 |
| CR 7H | 10 | 50 | 11.51 | 7.6 ± 0.37 | 42.81 | 40.0 ± 0.50 | 0.79 | 0 |
| CR 9H | 10 | 50 | 10.92 | 6.9 ± 061 | 41.68 | 38.4 ± 0.95 | 0.87 | 0 |
| LD + CF 5H | 10 | 50 | 16.53 | 8.9 ± 0.83 | 31.05 | 13.6 ± 0.99 | 13.36 | 8.9 ± 0.31 |
| LD + CFdried sludge | 7.63 | Final sol 14 ± 1.5 + WSA 30 ± 4.6 | 4.98 | 1.2 ± 0.73 | 29.81 | 15.0 ± 3.35 | 14.27 | 9.3 ± 0.76 |
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.