Ⅰ. Product feature and applied range
STAS-2 is a new arsenic removal scavenger developed and produced by Sanju for ambient temperature applications.The scavenger is prepared by special process with a good active composition distribution and high arsenic capacity .It has stable performance,high strength and strong adaptability.It is mainly suitable for removing arsenic hydride and alkyl arsenide from reforming feed streams such as naphtha.
Ⅱ. Physical Properties
Appearance | Grey-green sphere |
|---|---|
| Particle size，mm | Φ（3～6） |
| Bulk density，kg/L | 0.70～0.80 |
| Anti-crushing streagth，N ≥ | 50 |
| Active component | Cu2+-additive |
Ⅲ. Suggested Operating Conditions and Performance
| Temperature /℃ | Ambient temperature |
| Pressure /MPa | Atmospheric～6.0 |
| Liquid phase space velocity /h-1 ≤ | 4 |
| Height-diameter ratio | 2～5 |
| As content in feedstock/ng.g-1 ＜ | 500 |
| Water content in feedstock/ug.g-1 ＜ | 100 |
| As content after removal/ng.g-1 ＜ | 20 |
| As capacity/%(m) ≥ | 1 |