期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 350, 期 1, 页码 290-294出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2010.05.065
关键词
Hierarchical ZSM-5 zeolite; Nanorods; Alkylation; Phenol; Isopropanol
资金
- NSFC [20890122, 20721063]
- STCSM [08251203000, 09DZ2271500]
- 863 program [2009A A033701]
- Major State Basic Research Development Program of China [2009CB623502, 2009CB623506]
Hierarchical structured ZSM-5 zeolite of c-axis-oriented nanorods has been prepared by a zeolite-seed-assisted hydrothermal synthesis method without any type of mesoscale template. The final product has loose aggregation which consists of rod-like nanocrystals with widths of about 20-30 nm, formed by the oriented aggregation model. The nitrogen physisorption suggested that the hierarchical structured ZSM-5 zeolite had higher mesopore volume and external surface area than the sample prepared conventionally. Due to the shortened microporous channel and opening mesopore, the prepared HZSM-5 catalyst presents high catalytic activity and stability for the alkylation of phenol with isopropanol. (C) 2010 Elsevier Inc. All rights reserved.
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