Experimental conditions

Sorbing materials

Aquatic medium

Kd Values (L/Kg)

Metal initial concentration

References

Batch method (solid-solution ratio: 2: 20; pH: 12; contact time: 24 h)

Loamy sand soil

Water

41.95 - 57.33

25 - 300 mg/L

(Al-Oud & Ghoneim, 2018)

Sandy loam soil

52.04 - 67.15

Batch method (solid-solution ratio: 1: 10; pH: (4.80 - 7.50); contact time: 6 days at 25˚C)

Soil (Mono-metal Experiment)

Water

0.83

0 - 100 mg/L

(Oladipupo Azeez et al., 2018)

Soil (Multi-metal Experiment)

0.58

Batch method (solid-solution ratio: 1: 20; pH: 5; contact time: 6 h)

Soil

Water

1216 - 4975

10 - 200 mg/L

(Baghenejad et al., 2016)

Kd values were calculated directly from the retardation factor (R) and soil properties.

loamy sand media

2000

Mean C0 (μg/L)-(0.4)

(Behbahani et al., 2020)

Batch method (solid-solution ratio: 1:10; pH: 5.5-6.0; contact time: 24 h)

Soil

Water

196.4 - 5572.5

1000 mg·L1

(Braz et al., 2013)

Batch competitive sorption method (solid-solution ratio: 1:20; pH: 3-7; contact time: 30 - 1440 min; 26˚C)

Untreated soil

Water

0.03 - 0.53

(200 mg/L)

(Diagboya et al., 2015)

IO-removed soil

0.05 - 1.7

OM-removed soil

0.02 - 75.92

Batch method (Desorption)

sediments

Water

4.01 - 5.74

(Huang et al., 2012)

Batch method (solid-solution ratio: 1:10; pH: 7.4; contact time: 72 h

Aquifer sediments

Water

554 - 10,000

(Jakomin et al., 2015)

Batch desorption method (solid-solution ratio: 2:50; pH:5; contact time: 22 h; 25 C)

Soil (single metal systems)

Water

829.3 - 1107.5

(Jiang et al., 2012)

Soil (binary metal systems)

514.8 - 732.3

Batch desorption method (solid-solution ratio: 2:50; pH: 5.5; contact time: 20 h; 25 C)

Soil (single metal systems)

Water

508.5 - 1639.7

50 - 1000 µmol/L

(Li et al., 2012)

Soil (binary metal systems)

315 - 1065.6