低负载量Pd/CeO2/γ-Al2O3催化剂用于低温催化氧化VOCs

李思汉,张超,吴辰亮,张荷丰,严新焕

Pd/CeO2/γ-Al2O3 Catalyst with Low Loading for Catalytic Oxidation of VOCs

LI Si-Han,ZHANG Chao,WU Chen-Liang,ZHANG He-Feng,YAN Xin-Huan

表2 Pd/γ-Al2O3和Pd/CeO2/γ-Al2O3的XPS表征结果

Table 2 XPS results of Pd/γ-Al2O3 and Pd/CeO2/γ-Al2O3

Catalyst Relative content/wt% Pd PdO Ce3+ Ce4+ Pd/γ-Al2O3 34.2 65.8 — — Pd/CeO2/γ-Al2O3 0 100 14.5 85.5