Large-Porous Catalysts Consisting of Nanosized ZSM-5 Zeolite Crystals for n-Hexane Cracking Process

被引：0
|
作者：
Vorobyeva, E. E. [1 ,2 ]
Sladkovskiy, D. A. [3 ]
Lysikov, A. I. [1 ,2 ]
Parkhomchuk, E. V. [1 ,2 ]
机构：
[1] Russian Acad Sci BIC SB RAS, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] Tech Univ, St Petersburg State Inst Technol, St Petersburg 190013, Russia
来源：
PETROLEUM CHEMISTRY | 2021年 / 61卷 / 03期
关键词：
ZSM-5; cracking; polystyrene; n-hexane;
D O I：
10.1134/S0965544121030014
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The paper reports the preparation of two series of nanosized (150-350 nm) ZSM-5 zeolite crystals with a Si/Al molar ratio of 70 to 144 by a template method. The prepared catalysts are distinctive in their mostly intercrystalline macroporosity and random architecture of transport channels formed as a result of the utilization of a high-molecular-weight template represented by suspended or powdered polystyrene particles about 250 nm in size. The crystallinity and the size and packing of the particles depend on the method of template introduction into a precursor mixture. The samples of both series were tested in an n-hexane cracking reaction, and the comparative assessment of their catalytic properties in terms of n-hexane conversion degree and selectivity for alkane, olefin, and isoalkane products is also summarized in the paper.
引用
收藏
页码：332 / 340
页数：9
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