Product range
Aerolyst®
Aerolyst® is Evonik’s trademark for formed fumed metal oxides for use as catalyst supports or catalysts. The Aerolyst® 3000 series is based on Evonik’s AEROSIL®, a fumed silica with very high purity whereas part of the Aerolyst® 7700 series is based on fumed titania. Aerolyst® products have advantages such as a narrow pore size distribution without micro-pores, a high pore volume, and excellent strength and attrition properties.
Chemical-physical properties
|
Product
|
Carrier system
|
Form
|
Diameter [mm] |
Bulk density*[kg/m³]
|
Application
|
|
Aluminium oxide (alpha)
|
Spheres
|
12.0 - 14.0
|
approx. 2000
|
High-purity inert material
|
|
|
Silicon dioxide
|
Extrudate
|
1.5 - 1.8
|
380 - 480
|
Ultra pure support material
|
|
|
Silicon dioxide
|
Extrudate
|
3.4 - 3.9
|
400 - 500
|
Ultra pure support material
|
|
|
Silicon dioxide
|
Extrudate
|
6.4 - 6.8
|
400 - 500
|
Ultra pure support material
|
|
|
Titanium dioxide
|
Extrudate
|
1.6 - 1.7
|
950 - 1150
|
Ultra pure support material
|
|
|
Aluminium oxide
|
"Cylindircal extrudates"
|
1.5 - 4.5
|
approx. 460
|
Benzene chlorination within Vinyl Chloride Monomer (VCM) process
|
all percentages are given in wt. %
* the exact bulk density depends on the technology which is used to charge the reactor.
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