抄録
Ag/HZSM-5 with Si/Al ratio of 40 was synthesized by the impregnation method. The catalyst materials were characterized by the X-ray diffraction and X-ray absorption spectroscopy by Ag-L3 edge and Ag-K edge. Three different chemical states of Ag (ZO-Ag+, O-Ag+ and metallic Ag, here Z represents Si or Al) in the catalyst. The soot oxidation performance was evaluated by the TG-DTA measurement and showed two combustion stages in tight contact mode which indicates the intrinsic soot oxidation activity. This is because that a lot of Ag ion-exchanged with H ions and existed in the pores of HZSM-5 as ZO-Ag+, which cannot work for soot oxidation. Additionally, this catalyst has a high thermal stability even after high temperature program at 800 °C.
| 本文言語 | 英語 |
|---|---|
| ページ（範囲） | 7-11 |
| ページ数 | 5 |
| ジャーナル | Evergreen |
| 巻 | 4 |
| 号 | 2-3 |
| DOI | |
| 出版ステータス | 出版済み - 9 2017 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Ceramics and Composites
- Surfaces, Coatings and Films
- Management, Monitoring, Policy and Law