Table 4 Detailed results and parameters for Test 1–Test 6 in the 3D EKR treatment.

From: Application of iron-loaded activated carbon electrodes for electrokinetic remediation of chromium-contaminated soil in a three-dimensional electrode system

Test

Maximum removal

Minimum removal

Average removal rate

Removal rate (%)

pH

Conductivity (mS/cm)

Removal rate (%)

pH

Conductivity (mS/cm)

T1

70.9 (S5)

12.1

32.2

45.5 (S1)

4.0

56.3

63.0

T2

69.0 (S4)

11.8

30.8

44.9 (S1)

6.0

45.2

61.4

T3

73.0 (S4)

10.3

29.2

45.5 (S1)

3.6

55.9

63.7

T4

70.6 (S5)

11.2

37.0

40.0 (S1)

5.2

56.9

61.2

T5

69.2 (S4)

11.0

30.6

43.4 (S1)

5.0

48.3

55.3

T6

70.2 (S4)

11.9

35.2

33.3 (S5)

3.6

38.7

49.1