Oxidative dehydrogenation of isobutyric acid over 12-molybdophosphoric acids modified by tetrahydrofuran
β Scribed by Gyo Ik Park; In Kyu Song; Wha Young Lee
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 223 KB
- Volume
- 168
- Category
- Article
- ISSN
- 1381-1169
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π SIMILAR VOLUMES
Various foreign ions were added as promoters into iron phosphate catalysts and their effects on performance in oxidative dehydrogenation of isobutyric acid to methacrylic acid were studied. The best performance was obtained with Pb2+ promoters and the optimum P/Pb/Fe atomic ratio was found to be in
Effects of variable amounts of vanadyl or/and copper counter-ions of the heteropolyanions [PMo,~O,,,]'~ and [PMo, ,V040]4-on the catalytic oxidative dehydrogenation of isobutyric acid are reported. For the molybdophosphate, selectivity to methacrylic acid increases continuously with respect to the q