Catalytic wet air oxidation of low molecular weight carboxylic acids using a carbon supported platinum catalyst
Aqueous solutions of low molecular weight carboxylic acids, such as acetic, propionic and butyric acids, were treated by catalytic wet air oxidation (CWAO) using a carbon supported platinum catalyst. Oxidation in the presence of the catalyst, in a stirred reactor, was carried out at 200 C and 6.9 ba...
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| Other Authors: | , |
| Format: | article |
| Language: | eng |
| Published: |
2010
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10198/1362 |
| Country: | Portugal |
| Oai: | oai:bibliotecadigital.ipb.pt:10198/1362 |
| Summary: | Aqueous solutions of low molecular weight carboxylic acids, such as acetic, propionic and butyric acids, were treated by catalytic wet air oxidation (CWAO) using a carbon supported platinum catalyst. Oxidation in the presence of the catalyst, in a stirred reactor, was carried out at 200 C and 6.9 bar of oxygen partial pressure, with conversions (after 2 h) ranging from 59.4 to 75%, and selectivities to gaseous products of up to 100%. Initial rates for conversion varied from 184 (butyric acid) to 260 mmol h−1 g−1 Pt (propionic acid). The activation energy for butyric acid conversion was found to be 56.7 kJ mol−1. |
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