Conversion of syngas to light olefins over silicalite-1 supported iron and cobalt catalysts: Effect of manganese addition
| Autor: | Debasish Das, Gopal Ravichandran, Dipak K. Chakrabarty |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 1997 |
| Předmět: |
inorganic chemicals
Syngas Conversion Iron-Manganese Inorganic chemistry Iron oxide chemistry.chemical_element Manganese Heterogeneous catalysis Catalysis chemistry.chemical_compound Transition metal Carbon-Monoxide Fischer-Tropsch Synthesis Reduction Olefin fiber Zeolite Light Olefins General Chemistry Fe Chemistry chemistry Silicalite-1 Cobalt Co Hydrogenation Cobalt-Manganese Syngas |
| Zdroj: | IndraStra Global. |
| ISSN: | 2381-3652 |
| Popis: | An investigation of the syngas conversion to light olefins over manganese promoted iron and cobalt catalysts supported on silicalite-1 has been carried out. The addition of manganese to iron catalysts improves the olefin selectivity in syngas conversion. The XRD and Mossbauer results show that manganese reduces the particle size of iron oxide and thereby makes carburization difficult. Hagg carbide phase was found to be responsible for alkane formation and olefins are preferentially obtained in the presence of some oxides of Fe(+3). The addition of manganese to silicalite-1 supported cobalt catalyst was found to improve the CO conversion but the olefin selectivity was slightly decreased by the presence of manganese. |
| Databáze: | OpenAIRE |
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