Synergetic effect of H-ZSM-5/Silicalite-1@Pt/Al2O3 core–shell catalyst to enhance the selective hydrogenation of p-xylene

Wu, Yilan; Li, Jiangchuan; Chai, Yong‐Ming; Guo, Hailing; Liu, Chenguang

doi:10.1016/j.memsci.2015.08.048

Cited by 12 publications

(8 citation statements)

References 34 publications

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“…The diameter of confined species is in theory limited to the dimensions of the zeolite internal cages and channels; however, their growth can promote the formation of defects within the zeolite thus providing larger NPs within the additional space. 39 Using the core-shell method, pre-synthesized metal NPs [40][41][42][43][44][45] or supported NPs 46,47 are coated with single or multiple zeolite layers of controllable thickness following a secondary growth synthesis step. The use of pre-synthesized nanoparticles adds an additional synthetic strategy to control metal particle size and distribution.…”

Section: Synthesis Methods For Confining Metal Species Within Zeolitesmentioning

confidence: 99%

“…shell; this modification promoted isomerization of meta-to para-xylene and consequently increased product yield by generating more para-xylene illegible to diffuse through the silicalite-1 molecular sieve towards the platinum catalyst. 42 In another example, Pt NPs encapsulated between two silicalite-1 layers, a core and a shell, selectively hydrogenated 1-hexene but not cyclohexene. 43 Due to the difference in their molecular size, 1-hexene was able to cross the microporous shell and reach the Pt NPs, whereas the diffusion of cyclohexene was restricted.…”

Section: Catalysis Science and Technology Mini Reviewmentioning

confidence: 99%

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Recent developments in the control of selectivity in hydrogenation reactions by confined metal functionalities

Zaarour

Cazemier

Ruiz‐Martínez

2020

Catal. Sci. Technol.

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Section: Synthesis Methods For Confining Metal Species Within Zeolitesmentioning

confidence: 99%

Section: Catalysis Science and Technology Mini Reviewmentioning

confidence: 99%

Recent developments in the control of selectivity in hydrogenation reactions by confined metal functionalities

Zaarour

Cazemier

Ruiz‐Martínez

2020

Catal. Sci. Technol.

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“…Coating of a Pt/Al 2 O 3 catalyst with a silicate‐1 shell improved the selectivity of the catalyst towards the hydrogenation of p ‐xylene over m ‐ and o ‐xylene . A bilayer version of the H‐ZSM‐5/silicalite‐1@Pt/Al 2 O 3 CM has also been reported . The addition of the H‐ZSM‐5 layer to the original silicalite‐1@Pt/Al 2 O 3 CM improved the membrane selectivity for p ‐xylene, and at 300 °C the H‐ZSM‐5 layer acted as an isomerisation catalyst to greatly improve the overall conversion of xylenes towards the desired 1,4‐dimethylcyclohexane product (Figure ).…”

Section: Catalytic Membranes (Cms)mentioning

confidence: 99%

Catalytic Ionic‐Liquid Membranes: The Convergence of Ionic‐Liquid Catalysis and Ionic‐Liquid Membrane Separation Technologies

et al. 2017

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Membrane technologies enable the facile separation of complex mixtures of gases, vapours, liquids and/or solids under mild conditions. Simultaneous chemical transformations can also be achieved in membranes by using catalytically active membrane materials or embedded catalysts, in so‐called membrane reactors. A particular class of membranes containing or composed of ionic liquids (ILs) or polymeric ionic liquids (pILs) have recently emerged. These membranes often exhibit superior transport and separation properties to those of classical polymeric membranes. ILs and pILs have also been extensively studied as separation solvents, catalysts and co‐catalysts in similar applications for which membranes are employed. In this review, after introducing ILs and their applications in catalysis, catalytic membranes and recent advances in membrane separation processes based on ILs are described. Finally, the nascent concept of catalytic IL membranes is highlighted, in which catalytically active ILs/pILs are incorporated into membrane technologies to act as a catalytic separation layer.

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“…Many countries: Russia, United States, Great Britain, France, Germany, Japan, China, Poland, etc. are engaged in the problem of hydrodearomatizing of fuels [7][8][9][10][11][12][13][14][15][16][17][18][19]. Major trends in this field consist in ISSN 2224-5286…”

Section: Introductionmentioning

confidence: 99%

Catalytic Technology for Reducing the Content of Aromatic Hydrocarbons in Motor Fuels

Massenova¹,

Kalykberdiyev²,

Sass³

et al. 2019

JSC «D.V. SOKOLSKY INSTITUTE OF FUEL, CATALYSIS AND ELECTROCHEM

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Synergetic effect of H-ZSM-5/Silicalite-1@Pt/Al2O3 core–shell catalyst to enhance the selective hydrogenation of p-xylene

Cited by 12 publications

References 34 publications

Recent developments in the control of selectivity in hydrogenation reactions by confined metal functionalities

Recent developments in the control of selectivity in hydrogenation reactions by confined metal functionalities

Catalytic Ionic‐Liquid Membranes: The Convergence of Ionic‐Liquid Catalysis and Ionic‐Liquid Membrane Separation Technologies

Catalytic Technology for Reducing the Content of Aromatic Hydrocarbons in Motor Fuels

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