Hierarchically Porous ZSM-5/SBA-15 Zeolite: Tuning
Pore Structure and Acidity for Enhanced Hydro-Upgrading of FCC Gasoline
Posted on 2018-10-11 - 14:48
The
pore structure and acid sites of the catalysts are demonstrated
as the main factors for the hydro-upgrading of fluid catalytic cracking
(FCC) gasoline. Herein, we report a general synthesis of ZSM-5/SBA-15
composite zeolites with tunable pore structure and acid sites. The
effects of the pore structure and acid sites of these catalysts on
their hydro-upgrading performance were systematically investigated.
The platelet CoMo/AZS-PL (CoMo/ZS-PL-γ-Al2O3) catalyst with the short mesochannels, appropriate Co–Mo–S
phase, and suitable acidity exhibited the excellent preservation ability
of research octane number (RON) and hydrodesulfurization (HDS) performance,
which was better than those of CoMo/AZS-SR (CoMo/ZS-SR-γ-Al2O3), CoMo/AZS-HP (CoMo/ZS-HP-γ-Al2O3), and CoMo/AZS-LR (CoMo/ZS-LR-γ-Al2O3) catalysts. The relationship between the physicochemical
properties (acidity, morphology, pore structure, and sulfided active
metal) of the catalysts and their isomerization (ISO), aromatization
(ARO), as well as HDS abilities were explored in detail.
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Lv, Yipin; Wang, Xilong; Gao, Daowei; Ma, Xinlong; Li, Shuna; Wang, Yong; et al. (2018). Hierarchically Porous ZSM-5/SBA-15 Zeolite: Tuning
Pore Structure and Acidity for Enhanced Hydro-Upgrading of FCC Gasoline. ACS Publications. Collection. https://doi.org/10.1021/acs.iecr.8b02952
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AUTHORS (9)
YL
Yipin Lv
XW
Xilong Wang
DG
Daowei Gao
XM
Xinlong Ma
SL
Shuna Li
YW
Yong Wang
GS
Guolong Song
AD
Aijun Duan
GC
Guozhu Chen