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Table 2 Effect of the contact time on the adsorption capacity of Cupriavidus necator GX_5

From: Adsorption of Cd (II) by a novel living and non-living Cupriavidus necator GX_5: optimization, equilibrium and kinetic studies

Biosorbents

Adsorption capacity (mg/g)

Time (min)

5

10

20

30

60

120

240

360

Live

2.40g±0.16

3.59f±0.23

5.34e±0.11

6.25d±0.36

7.14bc±0.40

7.25bc±0.37

7.32b±0.45

7.38b±0.21

Dead

3.15f±0.23

4.83e±0.48

6.64cd±0.57

7.26bc±0.66

8.21a±0.35

8.34a±0.35

8.41a±0.61

8.49a±0.39

  1. Note: Values are the means of three replications ± standard deviation;
  2. Means with the same superscript letter are not significantly different (p < 0.05)