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Table 2 Box–Behnken experimental design matrix and responses

From: Degradation of a leather-dye by the combination of depolymerised wood-chip biochar adsorption and solid-state fermentation with Trametes villosa SCS-10

Run

Variable

Response (REA, %)

X1

X2

X3

Experimental

Predicted

1

0

– 1

1

85.7

85.5

2

0

0

0

80.6

80.7

3

− 1

1

0

46.8

46.2

4

1

0

1

73.8

73.4

5

0

1

− 1

42.1

42.2

6

0

0

0

80.4

80.7

7

1

0

− 1

65.5

65.4

8

0

1

1

47.5

48.0

9

− 1

0

1

77.4

78.4

10

− 1

− 1

0

92.4

92.5

11

− 1

0

− 1

76.2

77.6

12

1

1

0

45.1

45.0

13

1

− 1

0

76.0

76.5

14

0

0

0

80.5

80.7

15

0

− 1

− 1

83.0

82.5

16

0

0

0

81.1

80.7

17

0

0

0

80.9

80.7