Maleic Anhydride Catalyst
1. Introduction
Maleic Anhydride catalyst takes VOx and MoO as primary activity component, mixed with
oxidate in inert gas, which is suitable to produce maleic anhydride from benzene.
This catalyst is advantaged with high product yield (92~94%), good selectivity which will produce
high quality liquid oxidation acid.
2. Property feature
Space velocity: 2000-2500 h-1,
Benzene content: 42g-50g/m3 (N),
Product yield: min 90~94%
Lower total content of thiophene & sulfur in raw benzene, the catalyst service life would be longer,
and quality of liquid oxidation acid would be better.
Service life: 2 years.
Keep away from moisture during transportation & storage.
Application: petrobenzene and coking benzene could be raw material.
3. Typical chemical & physical properties
|
Item
|
Value
|
|
Chemical component
|
V2O5, MoO3
|
|
Shape
|
Rasching ring
|
|
Color
|
Dark blue
|
|
Size, mm
|
OD7×ID4×H4
|
|
Bulk density
|
750-810 g/ml
|
|
Surface area
|
≥ 0.1 m2/g
|
|
Alkali metal, wt%
|
≤0.3
|
|
Moh's hardness
|
≥9.4
|
|
Crush strength Kg/pc
|
axial≥10
|
|
radial≥5
|
|
Thermal conductivity
|
≥380 w/mk
|
4. Typical operation condition
Initial temperature: 435~460 degree
Space velocity: 2000- 2500h-1
Benzene content: 45g/m3(N) or 50 g/m3(N)
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