Oxidative reactions using membranes that selectively conduct oxygen
AssigneeBASF SE
InventorsStefan Bitterlich, Hartwig Voss, Hartmut Hibst, Andreas Tenten, Ingolf Voigt, Ute Pippardt
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Abstract
Reactor membranes for used in oxidation reactions of hydrocarbons involving oxygen comprising a selective oxidation catalyst on a mixed conducting, oxide ion selective ceramic membrane of the composition (Sr1-xCax)1-yAyMn1-zBzO3-δ, where A is Ba, Pb, Na, K, Y, an element of the lanthanide group or a combination thereof, B is Mg, Al, Ga, In, Sn, an element of the 3d or 4d period or a combination thereof, x is from 0.2 to 0.8, y is from 0 to 0.4, z is from 0 to 0.6, and δ is a number, dependent on x, y and z, that renders the composition charge neutral.
Claims16
A reactor membrane comprising a selective oxidation catalyst on a mixed conducting, oxide ion selective ceramic membrane having a composition
- (Sr1-xCax)1-yAyMn1-zBzO3-δ,
- where
- A is Ba, Pb, Na, K, Y, an element of the lanthanide group or combinations thereof,
- B is Mg, Al, Ga, In, Sn, an element of series 3d or 4d, or combinations thereof,
- x is from 0.2 to 0.8,
- y is from 0 to 0.4,
- z is from 0 to 0.6, and
- δ is a number, dependent on x, y and z, that renders the composition charge neutral.
Dependencies are inferred from the claim text.