| 학회 |
한국공업화학회 |
| 학술대회 |
2021년 봄 (05/12 ~ 05/14, 부산 벡스코(BEXCO)) |
| 권호 |
25권 1호 |
| 발표분야 |
[촉매] 제올라이트 기반 촉매의 기초 연구와 응용 |
| 제목 |
Applications of highly crystalline zeolites for gas-phase DME carbonylation |
| 초록 |
A gas-phase carbonylation of dimethyl ether (DME) is one of the alternative reactions to produce chemical intermediates for value-added petrochemicals productions. The reaction rates are proportional to the number of protonic Brønsted acidic sites in the 8-MR channels. In the present study, the simple strategies to further enhance the crystallinity of the Ferrierite (FER) are proposed by introducing seed-assisted re-crystallization method without using any organic structure directing agent (OSDA). The highly crystalline FER obviously revealed an excellent catalytic activity and stability for a gas-phase DME carbonylation, and it suppressed the surface coke precursors on active 8-MR channels. The distributions of the strong Brønsted acidic sites in the 8-MR and 10-MR channels of FERs and the formation rate of acetyl intermediate and types of coke precursors were explained by using the results of surface characterization and DFT calculations. |
| 저자 |
배종욱 |
| 소속 |
성균관대 |
| 키워드 |
Ferrierite zeolite; Gas-phase carbonylation; Al distirbutions; Coke depositions
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| E-Mail |
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