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用表面修饰法制备了氧化铈纳米微粒 ,并作为抗钒钝化剂的研究结果表明 ,纳米微粒浸渍到钒污染催化剂上可以钝化钒对催化剂的污染 ,改善裂化反应的产品分布。
The surface modification method was used to prepare cerium oxide nanoparticles, and as a vanadium deactivator, the results showed that the impregnation of nano-particles on the vanadium contamination catalyst could passivate the pollution of vanadium to the catalyst and improve the product distribution of the cracking reaction.