| 简介 |
Disclosed is a catalyst for use in the steam reformation, which deposits only a small amount of carbon at a low pressure and a low steam/carbon ratio and has a long service life and high mechanical strength. The catalyst comprises a carrier and ruthenium (an active metal) supported on the carrier in an amount of 0.3 to 5% by mass relative to the amount of the carrier, wherein the carrier is produced by supporting an oxide of a rare earth element and an oxide of an alkali earth element on a-alumina having a pore volume of pores each having a pore size of 50 nm or more of 0.2 to 1.0 ml/g, and the oxide of a rare earth element and the oxide of an alkali earth element are supported in amounts of 2 to 25% by mass and 0.1 to 15% by mass, respectively, relative to the amount of a-alumina. |
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