Fe-beta Zeolite is formed by fe ion exchange of BETA zeolite, and is mainly used to remove nitrogen oxides, such as NOX, from automobile exhaust.
2.Typical indicators
Analytical item |
Unit |
Analytical result |
Analytical method |
Appearance |
|
white powder |
|
Silica-alumina ratio |
|
28-30 |
XRF |
Total specific surface area |
㎡/g |
≥580 |
N2 Adsorption |
Fe2O3 |
% |
≥4 |
|
Aperture |
nm |
0.5-0.7 |
N2 Adsorption |
Mean grain size |
nm |
80-120 |
Laser Scatter Distribution |
Na2O |
wt% |
≤0.1 |
Flame Photometric Analysis |