Table 2.
Flow characteristics, porosity (ε), and solubility of raw and agglomerated PPSPs with different concentrations of MD binder.
| Sample | MD Concentration (%) |
ρbulk
(g/cm3) |
ρtapped
(g/cm3) |
ε (%) | CI (%) | HR | Solubility (%) |
|---|---|---|---|---|---|---|---|
| Raw PPSP | 0.62 ± 0.01 a | 0.89 ± 0.02 a | 64.4 ± 0.79 c | 30.8 ± 0.48 a | 1.44 ± 0.00 a | 31.9 ± 1.02 d | |
| Agglomerated PPSP | 0 (control) | 0.22 ± 0.01 e | 0.31 ± 0.00 e | 89.6 ± 0.95 b | 27.4 ± 0.11 b | 1.38 ± 0.00 b | 93.1 ± 0.69 c |
| 10 | 0.33 ± 0.01 bc | 0.46 ± 0.00 b | 91.1 ± 2.31 ab | 27.2 ± 0.31 b | 1.37 ± 0.00 c | 96.0 ± 0.88 b | |
| 20 | 0.29 ± 0.01 d | 0.39 ± 0.01 d | 91.3 ± 0.79 ab | 24.7 ± 0.40 c | 1.33 ± 0.01 d | 97.5 ± 0.40 a | |
| 30 | 0.35 ± 0.01 b | 0.44 ± 0.01 c | 91.3 ± 1.75 ab | 20.8 ± 0.96 d | 1.26 ± 0.01 e | 95.8 ± 0.68 b | |
| 40 | 0.33 ± 0.00 c | 0.43 ± 0.01 c | 92.1 ± 1.51 a | 24.7 ± 0.59 c | 1.33 ± 0.01 d | 96.6 ± 0.51 ab |
Each value is the mean of triplicate measurements ± SD. Means with different lowercase letters (a–e) within each column are significantly different (p < 0.05).