Chemical Resistant Inert Alumina Ceramic Ball as Catalyst Covering
We Pingxiang chemshun ceramics Co., Ltd a professional enterprise with 10 years manufacturer and export for the catalyst support matieral, chemical packings, wear-resistance ceramics.
Inert aluminum oxide ceramic balls are widely used in many fields, including petroleum, chemical engineering, fertilizer production and environmental protectio.
Inert alumina ceramic balls are widely used in petroleum, chemical, fertilizer and environmental protection industries, as a support material for the catalyst in the reactor and tower packing. Inert alumina ceramic ball has the characteristics of high temperature and high pressure resistance, low water absorption and stable chemical properties. It can withstand the corrosion of acids, bases and other organic solvents and can withstand the temperature changes that occur during production. The main function of the inert alumina ceramic ball is to increase the gas or liquid distribution point, support and protect the active catalyst with low strength.
They have stable chemical features and a low rate of water absorption, resist high temperatures and high pressure, and also resist the corrosion of acid, alkali and some other organic solvents.They can stand the change in temperature during the manufacturing process.
The main role of inert ceramic balls is to increase the distribution spots of gas or liquid, and to support and protect the activating catalyst with low strength.
| Specification |
Common Ceramic Ball |
Inert Ceramic Ball |
Medium Alumina Ball |
High Alumina Ball |
99% Alumina Ball |
| Al2O3 + SiO2 (%) |
> 93 |
> 92 |
> 93 |
> 94 |
> 99 |
| Al2O3 (%) |
17-23 |
23-30 |
47-56 |
90-93 |
99 |
| Fe2O3 (%) |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
| CaO (%) |
< 0.5 |
< 1.5 |
< 2 |
< 4 |
0.2 |
| MgO (%) |
< 0.5 |
< 2.5 |
< 0.5 |
< 0.5 |
0.1 |
| K2O + Na2O (%) |
< 4 |
< 4 |
< 3.5 |
< 4 |
> 0.5 |
| TiO2 |
|
< 0.5 |
< 0.1 |
< 0.1 |
0.5 |
| Leachable Iron (%) |
|
< 0.1 |
< 0.001 |
< 0.001 |
|
| Water Absorption (%) |
< 0.5 |
< 0.2 |
< 2 |
< 3 |
2.0-6.0 |
| Bulk Density (g/cm 3 ) |
1.35-1.40 |
1.35-1.40 |
1.35-1.45 |
1.8-2.0 |
1.8-2.0 |
| Operation Temp.Max. |
> 1100 |
> 1100 |
1480 |
1760 |
|
| Mohs Hardness (scale) |
> 6.5 |
> 7 |
> 7 |
> 7 |
> 7.5 |
| Crush Strength |
KN/particle |
| 1/4 inch (6mm) |
> 0.5 |
> 0.54 |
> 0.56 |
> 0.44 |
> 1 |
| 1/2 inch (13mm) |
> 1.5 |
> 1.67 |
> 1.56 |
> 1.99 |
> 3 |
| 3/4 inch (19mm) |
> 4.15 |
> 4.21 |
> 2.89 |
> 3.21 |
> 5 |
| 1 inch (25mm) |
> 6.07 |
> 6.22 |
> 4.89 |
> 5.33 |
> 8 |
| 1-1/2 inch (38mm) |
> 8.52 |
> 8.92 |
> 5.33 |
> 5.28 |
> 8 |
| 2 inch (50mm) |
> 9.7 |
> 9.8 |
> 6.22 |
> 8 |
> 15 |
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