Table 3 Column parameters and removal percentage for both beads and monoliths.
From: Performance evaluation of 3D-printed geopolymer monoliths for cadmium adsorption
Parameters | Z (cm) | Q (mL/min) | Tb (min) | Ts (min) | MTZ (min) | qeq (mg/g) | Total removal (%) | Tb (min) | Ts (min) | MTZ (min) | qeq (mg/g) | Total removal (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Beads | Monolith | |||||||||||
Effect of flow rate | 0.5 | 5 | 50 | 170 | 120 | 37.5 | 70.6 | 45 | 160 | 115 | 35.9 | 71.9 |
0.5 | 10 | 30 | 85 | 55 | 34.4 | 64.7 | 30 | 80 | 50 | 31.3 | 62.5 | |
0.5 | 15 | 25 | 60 | 35 | 32.8 | 58.3 | 20 | 50 | 30 | 28.1 | 60.0 | |
Effect of flow rate | 1.0 | 5 | 65 | 200 | 135 | 21.1 | 67.5 | 60 | 180 | 120 | 18.8 | 66.7 |
1.0 | 10 | 50 | 110 | 60 | 18.8 | 54.5 | 45 | 100 | 55 | 17.2 | 55.0 | |
1.0 | 15 | 30 | 65 | 35 | 16.4 | 53.8 | 35 | 65 | 30 | 14.1 | 46.2 | |
Effect of flow rate | 1.5 | 5 | 85 | 230 | 145 | 15.1 | 63.0 | 70 | 210 | 140 | 14.6 | 66.7 |
1.5 | 10 | 70 | 140 | 70 | 14.6 | 50.0 | 55 | 120 | 65 | 13.5 | 54.2 | |
1.5 | 15 | 60 | 105 | 45 | 14.1 | 42.9 | 30 | 70 | 40 | 12.5 | 57.1 | |
Effect of bed height | 0.5 | 5 | 50 | 170 | 120 | 37.5 | 70.6 | 45 | 160 | 115 | 35.9 | 71.9 |
1.0 | 5 | 65 | 200 | 135 | 21.1 | 67.5 | 60 | 180 | 120 | 18.75 | 66.6 | |
1.5 | 5 | 85 | 230 | 145 | 15.1 | 63.0 | 70 | 210 | 140 | 14.6 | 66.7 | |
