摘要
High crystalline nano-sized NH 4-ZSM-5 zeolites with a wide SiO 2/Al 2O 3 ratio range were directly synthesized through seed-induced approach. The products were characterized using X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR), N 2-sorption experiment, thermal gravimetry (TG) analysis, ammonium temperature programmed desorption (NH 3-TPD), inductively coupled plasma atomic emission spectroscopy (ICP-AES) and 27Al and 29Si MAS NMR. The crystal sizes could be controlled by simply adjusting the amount of seeding suspension. The as-prepared NH 4-ZSM-5 can be converted the acid H-form by a single calcination.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 29-35 |
| 页数 | 7 |
| 期刊 | Microporous and Mesoporous Materials |
| 卷 | 156 |
| DOI | |
| 出版状态 | 已出版 - 1 7月 2012 |
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