六氟硅酸铵后处理对H-ZSM-5分子筛酸性影响的固体NMR研究
王永祥1,2,王强2,*(
),徐君2,夏清华1,*(),邓风2,*()
),徐君2,夏清华1,*(),邓风2,*()
The Effects of Ammonium Hexafluorosilicate Post-Treatment on the Acidity of H-ZSM-5 Zeolite Studied by Solid-State NMR Spectroscopy
Yong-xiang WANG1,2,Qiang WANG2,*(),Jun XU2,Qing-hua XIA1,*(),Feng DENG2,*()
),Jun XU2,Qing-hua XIA1,*(),Feng DENG2,*()
图6. TMPO吸附于不同酸位点的示意图：(a)吸附于Brønsted酸位点；(b)吸附于骨架三配位铝；(c)吸附于带有Al-OH的铝物种（n=1, 2, 3）
Fig.6. Schematic diagram of TMPO adsorption at different acid sites: (a) Brønsted acid sites; (b) Framework three-coordinated Al; (c) Aluminum species with Al-OH (n=1, 2, 3)
