Direct demonstration of enhanced diffusion in mesoporous ZSM-5 zeolite obtained via controlled desilication

被引：638

作者：

Groen, Johan C.

Zhu, Weidong

Brouwer, Sander

Huynink, Steven J.

Kapteijn, Freek

Moulijn, Jacob A.

Perez-Ramirez, Javier

机构：

[1] Delft Univ Technol, DelftChemTech, NL-2628 BL Delft, Netherlands

[2] Inst Chem Res Catalonia ICIQ, Tarragona 43007, Spain

[3] Catalan Inst Res & Adv Studies, ICREA, Barcelona 08010, Spain

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 02期

关键词：

D O I：

10.1021/ja065737o

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A 2 orders of magnitude gas transport improvement in a medium pore ZSM-5 zeolite has been achieved upon introduction of intracrystalline mesoporosity in gradient-free crystals by desilication post-treatment in alkaline medium.

引用

页码：355 / 360

页数：6

共 35 条

[1] CONTROLLING THE SPATIAL-DISTRIBUTION OF ALUMINUM IN ZSM-5 CRYSTALS [J].

ALTHOFF, R ;

SCHULZDOBRICK, B ;

SCHUTH, F ;

UNGER, K .

MICROPOROUS MATERIALS, 1993, 1 (03) :207-218

[2] THE DETERMINATION OF PORE VOLUME AND AREA DISTRIBUTIONS IN POROUS SUBSTANCES .1. COMPUTATIONS FROM NITROGEN ISOTHERMS [J].

BARRETT, EP ;

JOYNER, LG ;

HALENDA, PP .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1951, 73 (01) :373-380

[3] Hydrocarbon diffusion measurements and coke distribution in zeolite pellets:: A study by 1H NMR imaging and 129Xe NMR spectroscopy [J].

Bonardet, JL ;

Domeniconi, T ;

N'Gokoli-Kékélé, P ;

Springuel-Huet, MA ;

Fraissard, J .

LANGMUIR, 1999, 15 (18) :5836-5840

[4] Catalytic benzene alkylation over mesoporous zeolite single crystals: Improving activity and selectivity with a new family of porous materials [J].

Christensen, CH ;

Johannsen, K ;

Schmidt, I ;

Christensen, CH .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (44) :13370-13371

[5] A large-cavity zeolite with wide pore windows and potential as an oil refining catalyst [J].

Corma, A ;

Díaz-Cabañas, M ;

Martínez-Triguero, J ;

Rey, F ;

Rius, J .

NATURE, 2002, 418 (6897) :514-517

[6] Decoupling mesoporosity formation and acidity modification in ZSM-5 zeolites by sequential desilication-dealumination [J].

Groen, JC ;

Moulijn, JA ;

Pérez-Ramírez, J .

MICROPOROUS AND MESOPOROUS MATERIALS, 2005, 87 (02) :153-161

[7] Mechanism of hierarchical porosity development in MFI zeolites by desilication:: The role of aluminium as a pore-directing agent [J].

Groen, JC ;

Peffer, LAA ;

Moulijn, JA ;

Pérez-Ramírez, J .

CHEMISTRY-A EUROPEAN JOURNAL, 2005, 11 (17) :4983-4994

[8] Creation of hollow zeolite architectures by controlled desilication of Al-zoned ZSM-5 crystals [J].

Groen, JC ;

Bach, T ;

Ziese, U ;

Donk, AMPV ;

de Jong, KP ;

Moulijn, JA ;

Pérez-Ramírez, J .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (31) :10792-10793

[9] Mesoporosity development in ZSM-5 zeolite upon optimized desilication conditions in alkaline medium [J].

Groen, JC ;

Peffer, LAA ;

Moulijn, JA ;

Pérez-Ramírez, J .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2004, 241 (1-3) :53-58

[10] Optimal aluminum-assisted mesoporosity development in MFI zeolites by desilication [J].

Groen, JC ;

Jansen, JC ;

Moulijn, JA ;

Pérez-Ramírez, J .

JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (35) :13062-13065

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