Catalyst for oxidizing so2 to so3 and utilization of the...

Details Catalyst for oxidizing so2 to so3 and utilization of the... Catalyst for oxidizing so2 to so3 and utilization of the...

B - Operations, Transporting

01

J

23/120, 252/83

B01J 23/745 (2006.01) B01J 35/10 (2006.01) C01B 17/78 (2006.01)

Patent

CA 2318481

The invention relates to a catalyst for converting SO2 with molecular oxygen into SO3. The catalyst is suited for continuous operation at temperatures of 700 ~C and higher when said catalyst is comprised of a porous supporting material and an active component which is joined to the supporting material. The active component is made up of 10 to 80 wt. % iron. The supporting material is a BET-surface ranging from 100 to 2000 m2/g and comprises a SiO2 content of at least 90 wt. %. The weight ratio supporting material:active component ranges from 1:1 to 100:1.

L'invention concerne un catalyseur permettant de convertir du SO¿2? avec de l'oxygène moléculaire en SO¿3?, s'utilisant pour un fonctionnement continu à des températures de 700 ·C et plus, lorsque ledit catalyseur comprend un support poreux et un constituant actif lié au support. Le constituant actif se compose de 10 à 80 % en poids de fer. Le support a une surface BET de 100 à 2000 m?2¿/g et une teneur en SiO¿2? d'au moins 90 % en poids. Le rapport en poids support:constituant actif est de 1:1 à 100:1.

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