Fischer-Tropsch synthesis over iron-based catalysts supported on ZSM-5 zeolite for production of hydrocarbons
Publish place: Iran International Zeolite Conference
Publish Year: 1387
نوع سند: مقاله کنفرانسی
زبان: English
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ZEOLITE01_133
تاریخ نمایه سازی: 30 دی 1387
Abstract:
Iron–nickel, iron-cobalt and iron-manganese catalysts to be used in the Fischer–Tropsch reaction were
prepared by co precipitation method and using ZSM-5 zeolite as a support for all catalysts. The formation of
long-chain hydrocarbons is attributed to an increased chance of the chain growth owing to a hold-up effect of
reaction intermediates, especially l-olefins, which are accumulated inside zeolite pores during the reaction.
Hydrocarbon isomers are produced over active sites of zeolite by secondary reactions, which result in a chain
shortening of the long-chain hydrocarbons. Characterization of catalysts that supported on ZSM-5 zeolite by
powder X-ray diffraction (XRD), scanning electron microscopy (SEM), BET specific surface area and thermal
analysis methods such as TGA and DSC showed that ZSM-5 zeolite influenced the catalyst precursor structure
and performance of catalyst.
Keywords:
Authors
mostafa feyzi
Department of Chemistry, Faculty of Sciences, Sistan & Baluchestan University,
ali akbar mirzaei
Department of Chemistry, Faculty of Sciences, Sistan & Baluchestan University,
felora shayegh
Research Institute of Petroleum Industry (RIPI) Gas Division, Tehran, Iran.
neda karimpoor
Research Institute of Petroleum Industry (RIPI) Gas Division, Tehran, Iran.
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