Method for producing composite oxide support, method for producing low temperature shift reaction catalyst, method for removing carbon monoxide, fuel processing apparatus and fuel cell system

摘要

A composite oxide support containing ceria and an oxide of MSUB1/SUB(MSUB1 /SUBbeing Al, Zr or Ti) such that the atomic ratio of cerium to MSUB1 /SUBis in the range of 1:4 to 1:40; a method of preparing the composite oxide support; a catalyst for low temperature water gas shift reaction, having a transition metal active component supported on the composite oxide support by an incipient wetness method; and a method of preparing the catalyst for low temperature water gas shift reaction are provided. The catalyst for low temperature water gas shift reaction prepared by using the composite oxide support can effectively remove carbon monoxide from the hydrogen produced from the low temperature water gas shift reaction at a lower temperature with a higher carbon monoxide conversion rate, compared with conventional catalysts for water gas shift reaction.