Direct and selective conversion of methanol to para-xylene over Zn ion doped ZSM-5/silicalite-1 core-shell zeolite catalyst

[Display omitted] •Zn ion doped core-shell MFI zeolite (Zn/ZSM-5/S) has successfully synthesized.•Zn/ZSM-5/S has shown both high yield and selectivity of para-xylene on methanol to para-xylene (MTpX).•By silicalite-1 coating, coke deposition rate has decreased. We successfully designed Zn ion doped...

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Bibliographic Details
Published in:Journal of catalysis 2016-10, Vol.342, p.63-66
Main Authors: Miyake, Koji, Hirota, Yuichiro, Ono, Kaito, Uchida, Yoshiaki, Tanaka, Shunsuke, Nishiyama, Norikazu
Format: Article
Language:English
Subjects:
Catalysis
Core-shell
Ions
Methanol
MTH
para-Xylene
Silicalite-1
ZSM-5
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Summary:[Display omitted] •Zn ion doped core-shell MFI zeolite (Zn/ZSM-5/S) has successfully synthesized.•Zn/ZSM-5/S has shown both high yield and selectivity of para-xylene on methanol to para-xylene (MTpX).•By silicalite-1 coating, coke deposition rate has decreased. We successfully designed Zn ion doped ZSM-5/silicalite-1 core-shell zeolite catalyst. On methanol to para-xylene (MTpX) over the core-shell catalyst, p-xylene yield was 40.7C-mol% and para-selectivity (para-xylene selectivity in xylene isomers) was higher than 99C-mol%, which substantially exceeds the other results reported in the literature.
ISSN:0021-9517
1090-2694
DOI:10.1016/j.jcat.2016.07.008