EFFECT OF VANADIUM IN CATALYSTS DERIVED FROM HYDROTALCITE-LIKE MATERIALS IN OXIDATIVE DEHIDROGENATION OF PROPANE

被引：0

作者：

Mesa, Santiago ^{[1
]}

Arboleda, Johana ^{[1
]}

Amaya, Sandra ^{[1
]}

Echavarria, Adriana ^{[1
]}

机构：

[1] Univ Antioquia, Inst Quim, Fac Ciencias Exactas & Nat, Grp Catalizadores & Absorbentes, Medellin, Colombia

来源：

REVISTA COLOMBIANA DE QUIMICA | 2011年 / 40卷 / 03期

关键词：

Hydrotalcite; propylene; vanadium; heterogeneous catalysis;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two novel hydrotalcite-like materials have been synthesized by hydrothermal treatment. Using ionic exchange method, the materials have been modified with vanadium species. Characterization of the materials was carried out by X-Ray diffraction (XRD), chemical analyses (atomic absorption), and Thermogravimetric analyses (TGA). Modified and non-modified materials have been calcined in order to obtain respective mixed oxides, which were tested in oxidative dehydrogenation of propane (ODHP) at a space velocity of 50 mL/min g with a temperature range between 250-500 degrees C. The catalytic studies showed a positive effect by incorporating vanadium for NiCoCr system, while for the NiCoFe modified system a decrease in catalytic activity was shown.

引用

页码：337 / 348

页数：12

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