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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/6457

Title: Conversion of syngas to light olefins over silicalite-1 supported iron and cobalt catalysts: Effect of manganese addition
Authors: DAS, D
RAVICHANDRAN, G
CHAKRABARTY, DK
Keywords: fischer-tropsch synthesis
carbon-monoxide
co hydrogenation
zeolite
chemistry
reduction
fe
Issue Date: 1997
Publisher: ELSEVIER SCIENCE BV
Citation: CATALYSIS TODAY, 36(3), 285-293
Abstract: 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.
URI: http://dx.doi.org/10.1016/S0920-5861(96)00227-1
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6457
http://hdl.handle.net/10054/6457
ISSN: 0920-5861
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