Patent ID: 7888282
Filing Date: 2011-02-15
Classification: B01J,C01B,Y02E,Y02P

Abstract:
1. A catalyst for manufacturing synthesis gas containing carbon monoxide and hydrogen as principal ingredients from feedstock gas containing hydrocarbon having 1 to 5 carbon atoms in each molecule and oxygen, characterized in that the catalyst for manufacturing synthesis gas has an aluminum-free carrier and a catalyst metal carried by the carrier; said catalyst metal comprising at least a Group VIII metal including at least rhodium; said carrier containing a first ingredient, a second ingredient and a third ingredient; said first ingredient being an oxide of at least an alkaline earth metal including at least magnesia; said second ingredient being an oxide of at least an element selected from the group of scandium, yttrium and lanthanoids including at least ceria; said third ingredient being zirconia or a substance containing zirconia as principal ingredient and having a solid electrolytic property, wherein the molar ratio of said second ingredient relative to said first ingredient is between 0.10 and 0.25 and the molar ratio of said third ingredient relative to said first ingredient is between 0.3 and 0.6.