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Siliceous ITQ-6: A new support for vanadia in the oxidative dehydrogenation of propane

✍ Scribed by Benjamin Solsona; José M. Lopez Nieto; Urbano Díaz

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
324 KB
Volume
94
Category
Article
ISSN
1387-1811

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✦ Synopsis

Vanadium oxide supported on siliceous ITQ-6 catalysts have been synthesized, characterized and tested in the oxidative dehydrogenation of propane. Yields to propylene of about 15% were obtained over the best catalyst. In contrast with conventional amorphous SiO 2 the high surface area of the delaminated zeolite ITQ-6 allowed a very good dispersion of vanadium oxide on its surface leading to high productivities of propylene during the oxidative dehydrogenation of propane. Unlike MCM-41, the delaminated zeolite ITQ-6 allows the incorporation of higher vanadium loadings without collapsing its structure.

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✍ Rajamma Sasikala; Vasanth Sudarsan; Shailendra K. Kulshreshtha 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 136 KB 👁 1 views

## Abstract Detailed structural studies of vanadia supported on SiO~2~ and modified SiO~2~ (Si~0.8~M~0.2~O~2±~~__δ__~ where M = Al^3+^, Zr^4+^ and Y^3+^) were carried out using different techniques such as powder XRD, IR spectroscopy and ^29^Si, ^27^Al and ^51^V MAS NMR spectroscopy. All samples ex