Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 340, Issue 1-3, Pages 126-130Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2009.03.013
Keywords
Hierarchical porous; Zeolite; Template synthesis; Catalytic cracking; Hydrothermal stability
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Funding
- State Basic Research Project of China [2004CB217804]
- National Natural Science Foundation of China [20773049]
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A hierarchical mesoporous ZSM-5 zeolite has been synthesized by using starch-derived bread as a meso-template. The obtained mesoporous ZSM-5 was characterized with X-ray diffraction (XRD), nitrogen sorption, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and thermo-gravimetric (TG)/differential thermal analysis (DTA) techniques. Hydrothermal treatments revealed that the mesoporosity in hierarchical mesoporous ZSM-5 exhibited excellent hydrothermal stability. Catalytic tests showed that hierarchical mesoporous ZSM-5 was more active than conventional zeolite of ZSM-5 in catalytic cracking of 1,3,5-tri-isopropylbenzene. Hydrogen adsorption measurements showed hierarchical mesoporous ZSM-5 had a higher Storage capacity than the conventional ZSM-5. (C) 2009 Elsevier B.V. All rights reserved.
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