本文对以Ni(CO)_4为催化剂母体、以γ-Al_2O_3为载体制备的高分散金属镍催化剂进行了初步探索,并将催化剂用于催化CO的加氢甲烷化反应,得到了较传统金属镍催化剂更好的低温反应活性.体系的原位红外光谱研究表明,母体与载体之间发生了较强的和相互作用.透射电子显微镜研究结果说明,新型催化剂上金属粒子的直径远小于传统催化剂. In this paper, Ni (CO) _4 as the catalyst precursor, γ-Al_2O_3 as a carrier prepared by highly dispersed metal nickel catalysts were studied, and the catalyst for the catalytic CO hydromethanation obtained more than the traditional nickel And the better low temperature reactivity of the catalyst.The in-situ IR spectra of the system show that there is a strong interaction between the matrix and the support.The TEM results show that the diameter of the metal particles on the new catalyst is much smaller than that of the traditional catalyst.