According to BET surface area measurements, the dispersant ZrC>2 can increase the surface areas of catalysts, enlarge the degree of Ru catalysts dispersion, and repress the aggrandizement of catalysts particle.

• BET比表面测定表明，载体ZrO_2可提高催化剂的比表面积，增大活性组分的分散度，并抑制钌微晶颗粒的长大。