过渡金属,Zr,Ce三元SCR催化剂的制备和性能*

刘海弟, 李伟曼, 李文辉, 陈运法

Preparation and Characterization of Ternary SCR Catalysts Consisted of Transition Metal Oxide, Zirconia and Ceira

LIU Haidi, LI Weiman, LI Wenhui, CHEN Yunfa

表1 不同金属离子负载所得样品的比表面,平均孔径和累积孔容

Table 1 BET surface area, average pore size and pore volume of the as-made samples doped with various metal ions

Sample BET surface area/m2g1 Average pore size /nm Pore volume 1) /mLg1 SiO2 support 375.009 4.34 0.8146 Cr-Zr-Ce 370.948 4.24 0.8077 Mn-Zr-Ce 361.879 4.22 0.7788 V-Zr-Ce 369.467 3.98 0.7345 Fe-Zr-Ce 369.246 4.02 0.7810 Co-Zr-Ce 361.771 4.20 0.7969 Cu-Zr-Ce 368.375 4.16 0.7035