A kind of methane dry gas reforms core shell structure nickel-base catalyst and preparation method

A kind of methane dry gas reforms core shell structure nickel-base catalyst and preparation method, is precursor salt with nickel nitrate and zirconium nitrate etc., Ni MOx@SiO are made using reverse microemulsion process 2 (M=Zr, La, Ce) multinuclear core-shell material.The addition of metal oxide is the 1 ~ 5% of catalyst weight in catalyst, and the addition of nickel is the 5 ~ 10% of catalyst weight.The addition of metal oxide clearly enhances the anti-sintering and carbon accumulation resisting ability of catalyst.At ambient pressure, reaction gas composition is CH 4 :CO 2 =1.05:1, air speed 1,8000ml.g cat ‑1 .h ‑1 , reaction temperature is that the catalyst shows high activity, high stability, high anti-carbon and anti-sintering property under 800 DEG C of reaction condition.The present invention have the advantages that to prepare simply, to environment non-secondary pollution, cost is low, high catalytic efficiency.