Detoxication Deoxidants For Sulfur Tolerant Shift Catalysts
1.Detoxication Deoxidants for Sulfur Tolerant Shift Catalysts are acting as a protectant.
2.Suitable for kinds of Sulfur Tolerant Shift process.
3.It has its own shift activity.
Product Introduction
Product Introduction:
Co-Mo sulfur tolerant shift catalysts are different from the usual high temperature (Fe-Gr system) and low temperature (Cu-Zn system) shift catalysts in that only the active component is active in the sulphurised state and there is no problem of sulfur poisoning, so they can be adapted to the development of heavy raw materials for the production of syngas, and can be used for the direct conversion of process gases with high sulfur content generated by the gasification of heavy raw materials to produce ammonia syngas, hydrogen and carbonyl synthesis gas and city gas, without the need to pre-degrade the sulphide from the feed gas.
Detoxication Deoxidants for Sulfur Tolerant Shift Catalysts are produced by a new preparation process. The new preparation technology makes the deoxidant have reasonable pore structure, thus removing and absorbing impurities or poisons such as oxygen ad tar from the feed gas.Detoxication Deoxidants for Sulfur Tolerant Shift Catalysts are the protectant in sulfur tolerant shift process, are suitable for sulfur tolerant shift process in which the gases are generated by coal gasification process, removing and absorbing impurities or poisons such as oxygen and tar in the feed gas, and simultaneously having shift activity.
Operating conditions:
|
Temperature/℃ |
200~500 |
|
Pressure/MPa |
1.0-8.0 |
|
Space Velocity(dry based)/h-1 |
2000-8000 |
|
Water gas ratio |
0.3-1.6 |
|
Sulfur content in process gas,%(v) |
≥0.01 |
|
O2 content, %(v) |
≤0.4 |
Physico-Chemical properties:
|
Item |
AMC-BH-03 |
AMC-BH-03Q |
|
Color and shape |
Sage green extrudate |
Sage green extrudate |
|
Size/mm |
Φ3.5~4.0 |
Φ4.0~6.0 |
|
Active components |
Co-Mo |
Co-Mo |
|
Bulk density/(kg·L-1) |
0.75~0.85 |
0.78~0.88 |
|
Crushing strength |
≥120(N·cm-1) |
≥80(N·granula-1) |
|
Carrier |
TiO2-MgO-Al2O3 |
TiO2-MgO-Al2O3 |
Features of Detoxication Deoxidants for Sulfur Tolerant Shift Catalysts:
1)It has high mechanical strength and high erosion resistance.
2)It has high deoxygenation activity combined with certain degree of shift activity, and can prolong service life of the main catalysts.
Precautions for use (how to extend the service life of the catalyst):
1)Controlling the inlet temperature of the converter within the target, and using the lowest limit of the temperature range of the catalyst in the early stage of the use of any agent.
2)When the catalyst is warmed up and vulcanised, it should be carried out in strict accordance with the warming up and vulcanisation programme.
3)It is strictly forbidden to bring water or oxygen into the furnace.
4)Avoid the presence of too high a water to gas ratio for a long time and avoid sulphur-free operation.
5)Try to avoid large fluctuations in load and frequent start and stop.
6)Strictly control furnace temperature, prevent bed over-temperature, avoid discipline bed temperature big ah fluctuations.
7)Charge and unload the pressure to control the rate, not too fast.
8)Slowly raise the temperature when receiving gas to avoid bringing in the catalyst poison.
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