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Thermal decomposition of 2-methylpyridine N-oxide: Effect of temperature and influence of phosphotungstic acid as the catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51856 46856 2011 4 PDF Available
Title
Thermal decomposition of 2-methylpyridine N-oxide: Effect of temperature and influence of phosphotungstic acid as the catalyst
Abstract

The thermal decomposition of 2-methylpyridine N-oxide was studied at temperatures between 190 °C and 220 °C using an Automatic Pressure Tracking Adiabatic Calorimeter. The effect of the catalyst on the decomposition was evaluated using different amounts of phosphotungstic acid. It was determined that 2-methylpyridine N-oxide decomposes faster with low amounts of catalyst and temperatures above 200 °C. Below 200 °C, the decomposition is very slow. For the cases presented here, the decomposition reaction was accompanied by substantial production of non-condensable gasses, and 2-methylpyridine and pyridine were identified as the main decomposition products.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► The decomposition of 2-methylpyridine N-oxide decomposition was studied. ► The decomposition is significant above 200oC and produces non-condensable gases. ► The decomposition is favored by temperature and catalyst. ► 2-methylpyridine and pyridine are the main products of the decomposition. ► The catalytic action of by-products promoted the decomposition of 2-methylpyridine.

Keywords
Alkylpyridine; 2-methylpyridine N-oxide; Thermal decomposition; Isothermal decomposition; Adiabatic calorimeter; Runaway reaction
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Thermal decomposition of 2-methylpyridine N-oxide: Effect of temperature and influence of phosphotungstic acid as the catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 14, 15 August 2011, Pages 1370–1373
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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Full-text PDF Download
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