The HTED Series Catalyst can be used in either Ethylbenzene dehydrogenation to make SM, or diethylbenzene dehydrogenation to making divinylbenzene.
Chemical Composition:
The Composition of the Catalyst according to our invention comprises: iron oxide,
potassium oxide, calcium and magnesium, cerium oxide, other promoters and
stabilizers, but no molybdenum and chromium oxide.
Series HTED-04:
Physical Properties:
Appearance:
|
yellowish-browncylindrical granules.
|
Granule diameter:
|
3.0±0.2mm (average)
|
Granule height:
|
2~12mm
|
Bulk Density:
|
1.25±0.05Kg/Liter
|
Side Crush Strength:
|
14N/mm (min average)
|
Catalyst Reaction Activity:
Ethylbenzene conversion :
|
≥65.0%
|
Styrene selective:
|
≥96.0%
|
Styrene yield:
|
≥ 62.4%
|
Series HTED-04A:
Physical Properties:
Appearance:
|
yellowish-browncylindrical granules.
|
Granule diameter:
|
4.0±0.5mm (average)
|
Granule height:
|
5~15mm
|
Bulk Density:
|
1.25±0.05Kg/Liter
|
Side Crush Strength:
|
14N/mm (min average)
|
Catalyst Reaction Activity:
Ethylbenzene conversion :
|
≥63.0%
|
Styrene selective:
|
≥96.0%
|
Styrene yield:
|
≥ 60.5%
|
Series HTED-04B:
Physical Properties:
Appearance:
|
yellowish-brown cylindrical granules
|
Granule diameter:
|
3.0±0.2mm (average)
|
Granule height:
|
3~9mm
|
Bulk Density:
|
1.25±0.05Kg/Liter
|
Side Crush Strength:
|
14N/mm (min average)
|
Catalyst Reaction Activity:
Ethylbenzene conversion :
|
≥65.0%
|
Styrene selective:
|
≥96.0%
|
Styrene yield:
|
≥ 62.4%
|
Series HTED-04E:
Physical Properties:
Appearance:
|
reddish-brown cylindrical granules
|
Granule diameter:
|
3.0±0.2mm (average)
|
Granule height:
|
3~9mm
|
Bulk Density:
|
1.30+-0.05Kg/Liter
|
Side Crush Strength:
|
20N/mm (min average)
|
Catalyst Reaction Activity:
Ethylbenzene conversion :
|
≥67.0%
|
Styrene selective:
|
≥97.0%
|
Styrene yield:
|
≥ 65%
|
The HTED Series Catalyst Process Condition:
Water ratio:
|
1.3-3.0
|
Space velocity:
|
0.4-1.2
|
Temperature :
|
550-650°C
|
Pressure:
|
negative pressure
|
Catalyst Life:
Operation Life: 2.5 years
Shelflife : 5 years