新型硫转移助剂的制备、表征与评价

采用浸渍法制备了Zr-M (M=Cu, Mn, Ce)型硫转移助剂。在模拟催化裂化条件下，考察了不同金属活性组分及其含量对该系列硫转移助剂性能的影响。采用XRD，FT-IR表征了样品的结构特征。结果表明Zr-Mn型硫转移剂具有较好硫吸附性能，失活时间在40-60min，失活硫转移剂经还原后SO2渐渐消失，只有H2S存在。

Synthesis,Characterization and Evaluation of Sulfur Transfer Catalysts for FCC Flue Gas

In this work, Zr-M (M=Cu, Mn, Ce) type sulfur transfer agent was prepared by impregnation method. Under the condition similar to that in the regenerator of FCC units, the influence of different active metal components and their contents on sulfur transfer agent were investigated. Moreover, the crystalline structure of sulfur transfer agent was characterized by X-ray diffraction (XRD) and Fourier transforms infrared spectroscopy (FT-IR). The result showed that the Zr-Mn sulfur transfer agent could effectively reduce the SO2 content in FCC regenerator flue gas, featuring high SO2 adsorption capacity. The sulfur transfer agent was inactivated in 40—60 min during the test. In the course of reduction reaction, after several reaction cycles, the formation of SO2 ceased and only H2S was detected as the reduction product.