Titanium tungsten silicon powder has the advantages of strong adsorption capacity, stable chemical properties and high catalytic activity. It is mainly used in the manufacture of SCR denitrification catalyst, and is the raw material for preparing V2O5-WO3/TiO2 catalyst.
Indicators of production
BET method specific surface area: 105 plus or minus 10m2/g.
Grain size: 10~20nm.
Agglomerate particle size D50:1.1 + 0.3um.
Rutile content: less than 0.5%.
PH value (10% water suspension emulsion) : 1.2~3.0.
Burning loss: less than 5.0%.
TiO2 content: greater than or equal to 85.
SO42- content: 1.5~3.5%.
Fe2O3 content: less than 100 PPM.
K2O content: less than 100 PPM.
Na2O content: less than 100 PPM.
WO3 content: no more than 5.0 + or 0.7 PPM.
SiO2 content: 5.0 + + 0.7%.
105°C volatiles: 2.0% or less
Applications
The preparation of industrial V2O5-WO3/TiO2 catalyst can use titanium tungsten silicon powder as raw material, through impregnating method load active ingredient vanadium pentoxide (V2O5), and then remove the surplus solution, drying, calcination, and activation of catalyst system.
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