Standard order

Run

Reaction conditions

Response

Bio-oil yield (%)

A: Temperature (˚C)

B: Time (minutes)

13

1

290

37.5

28.4

4

2

320

60

50.7

11

3

290

37.5

28

3

4

260

60

26.8

2

5

320

15

23.6

12

6

290

37.5

28.4

8

7

290

60

39.5

5

8

260

37.5

18

6

9

320

37.5

31.6

9

10

290

37.5

27.8

1

11

260

15

14.1

7

12

290

15

19.4

10

13

290

37.5

28.6