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- W957508770 abstract "采用后合成法制备MnOx／AI-SBA-15催化剂，考察了催化剂的低温NH。选择性催化还原（SCR）NOx的性能．利用傅里叶变换红外（FTIR）光谱、N2吸附-脱附、X射线衍射（XRD）、扫描电镜（SEM）、拉曼（Raman）光谱、X射线光电子能谱（XPS）及NH。程序升温脱附（NH3-TPD）的表征手段，对催化剂的结构性质和SCR性能进行了系统分析．结果表明，适量Al的掺杂能提高MnOx／SBA-15催化剂的SCR活性，当硅铝摩尔比为50时，催化剂活性最佳．表征结果显示。Al掺杂后，催化剂仍保持良好的骨架结构，较大比表面积、孔容和孔径，并且Mn在催化剂表面富集，由低价态转化为高价态，MnOx为催化剂的主要活性相．此外，AI的掺杂使MnOx在催化剂表面高度分散，表面酸性增强，从而提高了催化剂的SCR活性．" @default.
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- W957508770 date "2012-12-14" @default.
- W957508770 modified "2023-09-24" @default.
- W957508770 title "MnOx/Al-SBA-15的结构性质及低温NH3选择性催化还原NOx" @default.
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