Creation of new-type zeolite catalysts and control of active sites that enable environmentally benign, highly efficient chemical processes
| Project/Area Number |
15H04185
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Catalyst/Resource chemical process
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| Research Institution | Yokohama National University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
INAGAKI SATOSHI 横浜国立大学, 大学院工学研究院, 准教授 (90367037)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2017: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2015: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
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| Keywords | ゼオライト合成 / ゼオライト触媒 / 固体酸 / DTO / 触媒活性点 / MCM-68 / YNU-5 / DTO反応 / 低級オレフィン / 希土類修飾 / 熱安定性 / 活性点制御 / 環境調和型プロセス / ジメチルエーテル / メタノール |
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| Outline of Final Research Achievements |
The acid characteristics of MCM-68 (Si/Al=10) and dealuminated MCM-68 with Si/Al of 35, 60 and 107 were evaluated using FT-IR spectroscopy. Collidine adsorbed only on the external acid sites at 303 K. A comparison of the CO stretching vibration frequencies confirmed that MCM-68(10) possessed two types of Lewis acid sites as well as Brønsted acid sites. Lewis acid sites originating from extra-framework aluminum species were readily removed. In the case of Lewis acid sites associated with Al species connected to Si atoms via shared O atoms, the slightly stronger acid sites were easily removed via dealumination.
As an unexpected achievement, we succeeded in the synthesizing a novel aluminosilicate zeolite YNU-5, the first zeolite containing interconnected 12-, 12- and 8-ring pores as well as independent straight 8-ring channels.
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Report
(4 results)
Research Products
(37 results)
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[Presentation] Seed-Directed Synthesis of MSE-type Zeolite using Simple Organic Structure-Directing Agent by Extending Composite Building Unit Hypothesis2017
Author(s)
S. Sogukkanli, S.P. Elangovan, K. Itabashi, K. Iyoki, M. Takano, Z. Liu, S. Inagaki, T. Wakihara, Y. Kubota, T. Okubo
Organizer
3rd Euro-Asia Zeolite Conference
Place of Presentation
Bali, Indonesia
Year and Date
2017-01-22
Related Report
Int'l Joint Research
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