Table 14 Response surface analysis results.

From: Oil removal from wastewater with biomass-derived hydrochars laboratory insights

Number

Factor Values

Y(Adsorption amount /mg•g− 1)

A

B

C

1

0.12

500

3

151.47

2

0.10

500

4

184.22

3

0.12

600

4

160.18

4

0.08

400

4

173.26

5

0.08

500

3

190.28

6

0.12

400

4

124.73

7

0.08

500

5

186.24

8

0.10

500

4

180.57

9

0.10

600

3

189.13

10

0.10

600

5

171.08

11

0.10

400

5

141.445

12

0.10

500

4

183.19

13

0.10

400

3

151.32

14

0.10

500

4

185.43

15

0.08

600

4

191.64

16

0.12

500

5

140.51

17

0.10

500

4

188.24