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- Title
Synthesis, characterization and catalytic performance of a novel zeolite ITQ-2-like by treating MCM-22 precursor with HO.
- Authors
Xu, Ling; Xing, Haijun; Wu, Shujie; Guan, Jingqi; Jia, Ming; Kan, Qiubin
- Abstract
A novel zeolite material denoted as ITQ-2-like was synthesized by treating MCM-22 precursor with HO and characterized by various physicochemical techniques (X-ray powder diffraction, transmission electron microscopy, thermogravimetric-differential thermal analyses, Fourier transform infrared spectroscopy and nitrogen adsorption-desorption). It was found that not only the organic template could be completely removed but also the morphology and topology structure of MCM-22 precursor was well preserved after HO treatment. Novel zeolite material ITQ-2-like presented relatively ordered cascaded layers in a face-to-face orientation along the c-axis and exhibited different physicochemical properties in comparison with ITQ-2 and MCM-22 prepared from the same precursor. Moreover, the catalytic behaviour and pore roles of three kinds of Mo-containing catalysts of ITQ-2-like, MCM-22 and ITQ-2 were investigated in the reaction of methane aromatization.
- Subjects
ZEOLITE catalysts; X-ray diffraction; TRANSMISSION electron microscopy; AROMATIZATION catalysts; MOLECULAR structure; FOURIER transform infrared spectroscopy; THERMAL analysis
- Publication
Bulletin of Materials Science, 2011, Vol 34, Issue 7, p1605
- ISSN
0250-4707
- Publication type
Article
- DOI
10.1007/s12034-011-0365-0