132
6 Conversion of Methane to Aromatic Hydrocarbons
Table 6.1
(continued)
H +
-exchanged
zeolite (Pore
diameter/Å)
Ring size
[Dimensionality]
Si/Al
Ratio
Mo/wt% CH
4
con./%
Selectivity/C-atom%
Reaction
temperature/K
Time on
stream/h
Other
reaction
conditions
Ref.
Benzene Toluene Naphthalene C
2
hydrocarbons
Coke
H-IM-5
25
6
11.5
41.7
1.9
14.1
No data
42.3
973
60
Total flow
rate
1500 ml g −1
h −1
[23]
H-ITQ-2
[2]
25
3
6.8
31
1
9
1
44
973
110
Total flow
rate
1500 ml g −1
h −1
[24]
25
6
9.7
48.6
No data 27.0
No data
13.9
973
60
CH
4 /N
2 =
92.5/7.5
Total flow
rate
1500 ml g −1
h −1
US-Y
[3]
–
3
6.4
10.5
0.4
0
2.2
84.3
973
40
CH
4 /N
2 =
98/2
Total flow
rate 7.6 ml
min −1
[21]
H-FSM-16
16-membered
ring
[1]
20
3
6.6
6.5
0.2
0
2.2
87.7
973
40
[21]
15
3
5.9
5.9
0.2
0
1.7
875
973
40
H-Mordenite
12-membered
ring
[2]
22
3
7.3
4.1
0.2
0
3.5
83.1
97.3
40
[21]