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Synthesis parameters of high-silica CHA zeolites by interzeolite transformation and some product properties.
| Sample no. | Synthesis conditions | Product | ||||
|---|---|---|---|---|---|---|
| OSDA | Zeolite | Si/AlZeolite | Phase | Si/Al | V mic (cm3/g) | |
| 10 | TMAda | BEA25 | 12.5 | BEA | — | — |
| 11 | TMAda | MFI23 | 11.5 | CHA | 22.1 | — |
| 12 | TMAda | MOR13 | 6.0 | MOR | — | — |
| 13 | TMAda∗ | LTL | 3.0 | CHA | 6.1 | 0.25 |
| 14 | TMAda∗ | LEV | 14.7 | CHA | 15.3 | — |
| 15 | TMAda∗ | EMT | 3.5 | CHA | 7.2 | — |
| 16 | TMAda∗ | RTH | 5.0 | CHA | 8.3 | — |
∗DMECHA was also used in addition to TMAda.
