CATALYSTS SELECTION GUIDE
|
Gas to be Purified
|
Impurities to be removed
|
Impurity Converted
to
|
Catalyst
|
Ref
|
|
H2
Ammonia Synthesis Gas |
O2
CO, CO2 NO, NO2 C2H2 |
H2O
CH4 N2 CH4 |
D,DS2
E D,DS2 E |
1
2 3 4 |
|
Inert Gases
(N2,He,Ar,CO2) |
O2
CO,CO2 CO NO,NO2 Hydrocarbons H2 |
H2O
CH4 CO2 N2 CO2,H2O H2O |
D,DS2
E D,DS2 D,DS2 M,M3,DSS3,MS2 M, M3, MS2 |
5
6 7 8 9 10 |
|
Carbon Monoxide
(Furnace Off-Gas) |
O2
H2 |
CO2
H2O |
D,DS2
D,DS2 |
11
12 |
|
Carbon Dioxide
|
O2
CO Hydrocarbons H2 |
CO2,H2O
CO2 CO2,H2O H2O |
D,DS2
D,DS2 D,DS2 D,DS2 |
13
14 15 16 |
|
Air, Oxygen
|
H2
CO Hydrocarbons NO,NO2 HCN,NH3 Organic Wastes 03 |
H2O
CO2 CO2,H2O N2 N2,H2O,CO2 CO2,H2O O2 |
M, MS12
M, MS12 DSS3,MS12 DSS3,MS12 DSS3,MS12 DSS3,MS12 DSS3 |
17
18 19 20 21 22 23 |
|
Ethylene
|
C2H2
CO H2 |
C2H4,C2H6
CO2 C2H6 |
K Series
F D,DS2 |
24
25 26 |
|
Propylene
|
C3H4
CO H2 |
C3H6,C3,H8
CO2 C3H8 |
K Series
F D,DS2 |
27
28 29 |
|
Methanol Synthesis
Type Gases (30% CO-60% H2) |
C2H2
C2H4 O2 |
C2H4,C2H6
C2H6 H2O,CO2 |
K Series
K Series K Series,D,DS2 |
30
31 32 |
|
Coke-Oven Gas
|
C2H2
|
C2H4
|
K Series
|
33
|