脱硝催化剂的开发利用是选择性催化还原(Selective catalytical reduction,SCR)脱硝技术的核心.载体对SCR脱硝催化剂性能影响很大,锐钛矿型TiO2载体因其优异的性能而成为应用研究的热点.本文主要阐述SCR脱硝催化剂载体的研究进展;重点论述TiO2载体粒径、比表面积对脱硝催化剂性能及其对焙烧制度、负载量等制备条件的影响;简述TiO2载体孔结构、形貌对催化脱硝性能的影响.最后,展望了利用TiO2载体制备低温高效SCR脱硝催化剂的前景.
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