http://utomir.lib.u-toyama.ac.jp/dspace/ Title 環境調和型液体燃料製造

環境調和型液体燃料製造のための新規ナノ構造触媒の
開発
Title
Author(s)
楊, 國輝
富山大学地域連携推進機構産学連携部門ベンチャー・ビ
ジネス・ラボラトリー年報 = University of Toyama, Org
anization for Promotion Regional Collaboration, Co
llabpration Division, Venture Business Laboratory
VBL annual report, 22: 87-87
Citation
Issue Date
2010
Type
Article
Text version
URL
publisher
http://hdl.handle.net/10110/13900
Rights
http://utomir.lib.u-toyama.ac.jp/dspace/
環境調和型液体燃料製造のための新規ナノ構造触媒の開発
研究員
楊
園輝
Alternative energy sources have moved into the spotlight in recent years with soaring oil prices and
dwindling resources. DME is also very promising as a new energy, being available for various
purposes.
Traditionally, DME can be produced through the methanol dehydration on a single
dehydration catalyst or directly 合om syngas on a hybrid catalyst.
Here, the hybrid catalyst usually
consists of methanol synthesis catalyst and methanol dehydration catalyst.
In this project, a series of millimeter-sized zeolite capsule catalyst possessing a special core-shell
S仕UC�印re was designed and prepared. The acidic H-ZSM-5 zeolite membrane as the catalyst shell was
directly prepared through an unreported way of aluminium-migration丘om the aluminium-containing
core catalyst body. Fig. 1 shows the SEM and EDS line analysis result of zeolite capsule catalyst
CZA-S. In this SEM image, the zeolite shell can be distinguished easily and is also in good state
enwrapping core catalyst CZA. The signal intensity of SiKαexhibited in EDS analysis pa仕em gives
the change企om zeolite shell to core catalyst, indicating that the thickness of zeolite shell is about 5
µm. This capsule catalyst was firstly applied to accomplish DME direct synthesis from syngas (STD
reaction). The STD reactions on capsule catalyst CZA-Z and CZA-S present the completely different
product distributions compared to that of bare CZA and hybrid CZA-M catalyst, as shown in Fig. 2.
The selectivity of the expected DME on this zeolite capsule catalyst strikingly exceeded that of the
traditional hybrid catalyst (the simple blending of core catalyst and zeolite powder), while maintaining
the zero formation of the unexpected alkanes by-product.
100
75
50
Se!. I。／。
25
//CPS
Distribution
一一一→
ZnK，α
20
40
D/µm
ω
一一一＋
Fig. 2 Products distribution of the core
Fig. 1 Cross-section SEM姐d EDS analysis of
catalyst
CZA,
zeolite
capsule
catalyst
zeolite capsule catalyst
CZA-Z，ーS, and hybrid catalyst CZA-M
Publication papers:
Guohl日Yang, Noritatsu Tsubaki, Jun Shamoto, Yoshiharu Yoneyama, Yi Zhang,
American Chemical Society,
87
Vol. 132, Issue 23, 2010, 8129-8136
Journal of the

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