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

Johan C Groen; Weidong Zhu; Sander Brouwer; Steven J Huynink; Freek Kapteijn; Jacob A Moulijn; Javier Pérez-Ramírez

doi:10.1021/ja065737o

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

J Am Chem Soc. 2007 Jan 17;129(2):355-60. doi: 10.1021/ja065737o.

Authors

Johan C Groen¹, Weidong Zhu, Sander Brouwer, Steven J Huynink, Freek Kapteijn, Jacob A Moulijn, Javier Pérez-Ramírez

Affiliation

¹ DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands. j.c.groen@tudelft.nl

PMID: 17212415
DOI: 10.1021/ja065737o

Abstract

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.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Aluminum / chemistry
Crystallization
Diffusion
Oxygen / chemistry
Particle Size
Porosity
Silicates / chemistry*
Surface Properties
Time Factors
Zeolites / chemistry*

Substances

Silicates
Zeolites
Aluminum
Oxygen