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Table 6 Thermodynamic parameters for the arsenate abstraction by (Bi-ene-QDs) at several temperatures

From: Effective capture of As(V) from water by a facile one step hydrothermal synthesized of 2-D bismuthene quantum dots nanosorbent

As(V) mg/L

Adsorption Thermodynamic Parameters

Kd (L/g)

−ΔG° (KJ/mol)

ΔS° (J/mol.K)

ΔH° (KJ/mol)

298 K

303 K

308 K

313 K

318 K

323 K

328 K

333 K

298 K

303 K

308 K

313 K

318 K

323 K

328 K

333 K

5

39.67

25.78

17.23

13.15

10.82

8.42

6.77

5.81

9.12

8.19

7.29

6.70

6.30

5.72

5.21

4.87

−119.75

−44.46

10

18.91

12.64

10.2

8.46

6.51

5.62

4.81

3.98

7.28

6.39

5.95

5.56

4.95

4.64

4.28

3.82

−94.49

−35.17

25

14.12

11.43

8.75

7.48

5.98

5.00

4.45

3.46

6.56

6.14

5.56

5.24

4.73

4.33

4.07

3.44

−86.99

−32.45