Ⅰ. Product feature and applied range
STAS-4 is a new arsenic removal scavenger developed and produced by Sanju for liquid streams.With metal oxide as active component,the catalyst is manufacture by special process with special additive and reaction velocity to arsenide is improved.By use of material with suitable pore structure,tolerance to impurities in feed is improved.It has good performance and high As capacity .It is suitable for removing arsenide from catalytic cracking gasoline.
Ⅱ. Physical Properties
Appearance | Amorphous particles |
|---|---|
| Particle size，mm | 4～8 |
| Bulk density，kg/L | 0.30～0.50 |
| Anti-crushing streagth，N ≥ | 90 |
Ⅲ. Suggested Operating Conditions and Performance
| Temperature /℃ | Ambient temperature～80 |
| Pressure /MPa | Atmospheric～6.0 |
| Liquid phase space velocity /h-1 ≤ | 4 |
| Height-diameter ratio | 2～5 |
| As content in feedstock/ng.g-1 ＜ | 380 |
| Water content in feedstock/ug.g-1 ＜ | 100 |
| As content after removal/ng.g-1 ＜ | 20 |
| As capacity/%(m) ≥ | 3 |