| abstract |
The present invention relates to a dehydrogenation catalyst comprising a platinum group metal, an auxiliary metal, an alkali metal or an alkaline earth metal supported on a support, wherein the molar ratio of the platinum group metal to the subsidy is 0.5 to 1.49 and the catalyst is 20 to 150 μmol KOH / g catalyst, and the dehydrogenation catalyst according to the present invention prevents the rapid increase of coke when the water consumption is reduced in the dehydrogenation reaction, so that the process yield is improved and hydrogen / hydrocarbon The operation can be performed under the non-downward condition, and the process economical efficiency can be improved. |