Catalysts Selection Guide
| Gas to be Purified | Impurities to be removed | Impurity Converted to | Catalyst |
| H2 Ammonia Synthesis Gas |
O2 CO, CO2 NO, NO2 C2H2 |
H2O CH4 N2 CH4 |
D,DS2 E D,DS2 E |
| 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 |
| Carbon Monoxide (Furnace Off-Gas) |
O2 H2 |
CO2 H2O |
D,DS2 D,DS2 |
| Carbon Dioxide | O2 CO Hydrocarbons H2 |
CO2,H2O CO2 CO2,H2O H2O |
D,DS2 D,DS2 D,DS2 D,DS2 |
| Air, Oxygen | H2 CO Hydrocarbons NO,NO2 HCN,NH3 Organic Wastes O3 |
H2O CO2 CO2,H2O N2 N2,H2O,CO2 CO2,H2O O2 |
M, MS12 M, MS12 DSS3,MS12 DSS3,MS12 DSS3,MS12 DSS3,MS12 DSS3 |
| Ethylene | C2H2 CO H2 |
C2H4,C2H6 CO2 C2H6 |
K Series F D,DS2 |
| Propylene | C3H4 CO H2 |
C3H6,C3,H8 CO2 C3H8 |
K Series F D,DS2 |
| Methanol Synthesis Type Gases (30% CO-60% H2) |
C2H2 C2H4 O2 |
C2H4,C2H6 C2H6 H2O,CO2 |
K Series K Series K Series,D,DS2 |
| Coke-Oven Gas | C2H2 | C2H4 | K Series |