- Partial oxidation of ethane to oxygenates using Fe- and Cu-containing ZSM-5
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Iron and copper containing ZSM-5 catalysts are effective for the partial oxidation of ethane with hydrogen peroxide giving combined oxygenate selectivities and productivities of up to 95.2% and 65 mol kgcat -1 h-1, respectively. High conversion of ethane (ca. 56%) to acetic acid (ca. 70% selectivity) can be observed. Detailed studies of this catalytic system reveal a complex reaction network in which the oxidation of ethane gives a range of C2 oxygenates, with sequential C-C bond cleavage generating C1 products. We demonstrate that ethene is also formed and can be subsequently oxidized. Ethanol can be directly produced from ethane, and does not originate from the decomposition of its corresponding alkylperoxy species, ethyl hydroperoxide. In contrast to our previously proposed mechanism for methane oxidation over similar zeolite catalysts, the mechanism of ethane oxidation involves carbon-based radicals, which lead to the high conversions we observe.
- Forde, Michael M.,Armstrong, Robert D.,Hammond, Ceri,He, Qian,Jenkins, Robert L.,Kondrat, Simon A.,Dimitratos, Nikolaos,Lopez-Sanchez, Jose Antonio,Taylor, Stuart H.,Willock, David,Kiely, Christopher J.,Hutchings, Graham John
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supporting information
p. 11087 - 11099
(2013/08/23)
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- Direct conversion of glycerol into formic acid via water stable Pd(II) catalyzed oxidative carbon-carbon bond cleavage
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Using our tridentate NHC-amidate-alkoxide Pd(II) complex, we developed a catalytic method for oxidative C-C bond cleavage of glycerol. The glycerol was degraded exclusively to formic acid and CO2. Two possible degradation pathways were proposed through 13C labeled studies.
- Pullanikat, Prasanna,Lee, Joo Ho,Yoo, Kyung Soo,Jung, Kyung Woon
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supporting information
p. 4463 - 4466
(2013/07/26)
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- Reaction pathways of glucose oxidation by ozone under acidic conditions
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The ozonation of d-glucose-1-13C, 2-13C, and 6-13C was carried out at pH 2.5 in a semi-batch reactor at room temperature. The products present in the liquid phase were analyzed by GC-MS, HPAEC-PAD, and 13C NMR s
- Marcq, Olivier,Barbe, Jean-Michel,Trichet, Alain,Guilard, Roger
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experimental part
p. 1303 - 1310
(2009/12/01)
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