5.6 Relationship Between the Conversion of Methane …
115
Table 5.4
(continued)
No.
Catalysts
Reaction
temp./K
Ratio of
CH
4 /O
2
CH
4 conv./%
O
2 conv./%
C
2
+
H. C.
selec./%
C
2
+
H. C.
yield/%
Ref.
22
Na–W–Mn–Ba–Ti/SiO
2
1033
4.0
31.8
–
72.7
23.1
[84]
23
Na–W–Mn–Zr–S–P/SiO
2
1023
3.0
44.6
–
51.1
23.8
[85]
24
Na
2 WO
4 /Mn/SiO
2
948
3.5
35.8
–
65.9
23.6
[86]
25
948
3.5
34.0
–
67.1
22.8
[86]
26
Na
2 WO
4 /Mn/SiO
2
1103
2.0
49
–
48
23
[87]
27
Na
2 WO
4 /Mn/SiO
2
1073
5.0
33
–
71
23
[88]
28
Na
2 WO
4 /Ce/SiO
2
1073
5.0
31
–
71
22
[88]
29
Na
2 WO
4 /SiO
2
1073
5.0
21
–
78
16
[88]
30
SrTi
0.9 Mg
0.1 O
3
1173
2.0
37.1
–
58.2
21.6
[89]
31
1123
4.0
23.9
–
75.6
18.1
[89]
32
Na
2 WO
4 /Mn/SiO
2
1048
3.0
29
–
74
22
[90]
33
Li/MgO
998
2.0
35.1
–
60.8
21.4
[91]
34
Li/MgO
1073
2.0
46
–
46
21
[92]
35
Mn/Na
2 WO
4 /SiO
2
1123
3.0
37
–
57
21
[93]
36
Mn–Na
2 WO
4 /SiO
2
1098
2.5
35.4
–
58.1
20.6
[94]
37
Ba–Ti-Ce
1048
2.0
47.5
98.2
43.0
20.4
[95]
38
Ba–Ti-Sn
1048
2.0
44.2
99.5
43.2
19.1
[95]
39
Ce/Na
2 WO
4 /Mn/SiO
2
1113
3.0
34.1
98.4
59.0
20.1
[96]
40
1113
5.0
22.2
99.6
70.2
15.6
[96]
41
Na
2 WO
4 /Mn/SiO
2
1073
3.0
33.8
–
59.3
20.0
[97]
42
Na
2 SO
4 –WO
3 –Mn/SiO
2
1098
5.0
33.0
–
60.5
20.0
[98]
(continued)