Experimental conditions

Sorbing materials

Aquatic medium

Kd Values (L/Kg)

Metal initial concentration

References

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

Soil (Mono-metal Experiment)

Water

0.61

0 - 100 mg/L

(Oladipupo Azeez et al., 2018)

Soil (Multi-metal Experiment)

0.44

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

Soil

Water

15.9 - 932

10 - 200 mg/L

(Baghenejad et al., 2016)

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

loamy sand media

300

Mean C0 (μg/L)-(0.4)

(Behbahani et al., 2020)

Batch method (solid-solution ratio: 5: 45; contact time: 72 h)

Artificial soil (AS)

17.9 - 189.8

0.2 mg/ml

(Bielska et al., 2017)

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

Soil

Water

6 - 2471.9

1000-mg·L−1

(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 - 0.02

(200 mg/L)

(Diagboya et al., 2015)

IO-removed soil

0 - 1.85

OM-removed soil

0.01 - 1.2

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

Aquifer sediments

Water

44 - 1197

(Jakomin et al., 2015)

Batch desorption method (solid-solution ratio: 5:25; pH: 7.4; contact time: 48 h; 25˚C)

Surface soil

Water

60 - 395

(Jalali & Hourseresht, 2017)

Surface soil

19 - 13921

Surface soil

97 - 425

Surface soil

21 - 430

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

Soil (single metal systems)

Water

90 - 184.5

(Jiang et al., 2012)

Soil (binary metal systems)

85.84 - 110.5

Batch adsorption method (solid-solution ratio: 2:24; pH: 1.2 - 8.8; contact time: 4 h; 28˚C)

Soil

Water

21.1 - 1049.8

0.04 - 1.13 mmol/l

(Kim, 2014)