The average mass of elements in wt%

Samples

Si

O

C

Cr

Fe

SBA-15 calcined

55

41

3

-

-

SBA-15 not calcined

30

36

34

-

-

Fe (6)/Cr(6)-SBA_(C)

49

31

2

9

8

Fe (6)/Cr(6)-SBA_(U)

45

37

3

7

6

Fe (6)/Cr(6)-SBA_(C)

after a catalytic pyrolysis reaction

31

38

19

4

4