Batch experiment (pH: 7.22 - 8.56) | sediment | Water | 32,000 - 80,000 | | |
Batch adsorption test (solid-solution ratio: 0.2:20; pH: 8; contact time: 2 h; 25˚C) | calcareous soil (single metal systems) | Water | 5517.3 | | |
Batch desorption method (solid-solution ratio: 3:30; alkaline (pH 7.87), acidic (pH 4.95); contact time: 24 h; 20˚C) | amended Alfisol1 | Water | 82 - 46.9 | 50 - 300 mg/L | |
amended Alfisol2 | 231.9 - 117.3 | ||||
amended Alfisol3 | 1116.6 - 453.1 | ||||
amended Entisol1 | 64.3 - 26.1 | ||||
amended Entisol2 | 70.2 - 2.3 | ||||
amended Entisol3 | 81.3 - 9.7 | ||||
Batch equilibrium adsorption experiment (solid-solution ratio: 2:20; pH: 6.5; contact time: 24 h) | Topsoil (A horizon, 0 - 20 cm) | De-ionized water | 105 - 4598 | | |
Batch equilibrium adsorption experiment (solid-solution ratio: 1:20; pH: 2 - 9; contact time: 24 h) | control soil | Water | 1.1 - 4633.5 | | |
bentonite-amended soil | 5.9 - 6929.5 | ||||
calcite-amended soil | 4.5 - 6592.6 | ||||
zeolite-amended soil | 5.6 - 4750.0 | ||||
Batch equilibrium adsorption experiment (solid-solution ratio: 2:50; contact time: 24 h) | Acidic soil (pH: 4 - 7) | Water | 370 - 2400 | | |
Treated soil | 9.0 - 4860 | ||||
Batch method | profile soil | 103 - 104 | | ||
Batch method | lacustrine sediment | 268.917 - 826.688 | | ||
Batch method | Sediment (Jan. 2014) | Deionized water | 3.49 - 3.95 | | |
Sediment (Jan. 2014) | 4.03 - 4.51 | ||||
Sediment (whole 2014) | 3.49 - 4.51 | ||||
Batch-type desorption experiment (solid-solution ratio: 1:10; contact time: 2 h) | Calcareous soils | Water | 1766.2 - 4317.9 | 50 - 400 mg/L | |
Calcareous soils | 2029.6 - 3704.8 | 51 - 400 mg/L | |||
Batch experiment | Sediment | 4.40 × 100 - 2.94 × 105 | |