Hydrocarbon reforming catalyst and hydrocarbon reforming apparatus
A hydrocarbon reforming catalyst used for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst containing a complex oxide having a perovskite structure, wherein the complex oxide has a crystal phase containing SrZrO 3 as a primary component and contains Ru.
1 . A hydrocarbon reforming catalyst comprising:
a complex oxide having a perovskite structure,
wherein the complex oxide has a first crystal phase consisting essentially of SrZrO 3 as a primary component and contains Ru, and
wherein the complex oxide further has a second crystal phase containing SrCeO 3 as a primary component.
2 . The hydrocarbon reforming catalyst according to claim 1 , wherein the molar ratio of Ru to Sr is 0.01 to 0.38.
3 . The hydrocarbon reforming catalyst according to claim 1 , wherein the complex oxide further contains Y.
4 . The hydrocarbon reforming catalyst according to claim 3 , wherein the molar ratio of Y to Ce is 0.6 or less.
5 . A hydrocarbon reforming catalyst comprising:
a complex oxide having a perovskite structure,
wherein the complex oxide has a first crystal phase containing SrZrO 3 as a primary component and contains Ru,
wherein the complex oxide further has a second crystal phase containing SrCeO 3 as a primary component, and
wherein the complex oxide does not contain Y.
6 . A hydrocarbon reforming apparatus comprising:
a pipe through which a treatment object gas containing at least a hydrocarbon passes; and
a hydrocarbon reforming catalyst disposed at a position to contact the treatment object gas inside the pipe, the hydrocarbon reforming catalyst comprising a complex oxide having a perovskite structure, wherein the complex oxide has a first crystal phase consisting essentially of SrZrO 3 as a primary component and contains Ru.
7 . The hydrocarbon reforming apparatus according to claim 6 , wherein the molar ratio of Ru to Sr in the complex oxide is 0.01 to 0.38.
8 . The hydrocarbon reforming apparatus according to claim 6 , wherein the complex oxide further has a second crystal phase containing SrCeO 3 as a primary component.
9 . The hydrocarbon reforming apparatus according to claim 8 , wherein the complex oxide further contains Y.
10 . The hydrocarbon reforming apparatus according to claim 9 , wherein the molar ratio of Y to Ce in the complex oxide is 0.6 or less.
11 . A hydrocarbon reforming comprising:
a pipe through which a treatment object gas containing at least a hydrocarbon passes; and
the hydrocarbon reforming catalyst according to claim 5 disposed at a position to contact the treatment object gas inside the pipe.
12 . The hydrocarbon reforming apparatus according to claim 6 , wherein the complex oxide further contains Y but does not contain Ce.
13 . The hydrocarbon reforming apparatus according to claim 6 , wherein the complex oxide further contains at least one of Ce and Y.