DOI: 10.1155/2009/151489. Fischer‐Tropsch Synthesis over Iron Manganese Catalysts: Effect of Preparation and Operating Conditions on Catalyst Performance

Fischer‐Tropsch Synthesis over Iron Manganese Catalysts: Effect of Preparation and Operating Conditions on Catalyst Performance

10.1155/2009/151489

Crossref journal-article

Wiley

Advances in Physical Chemistry (311)

Abstract

Iron manganese oxides are prepared using a coprecipitation procedure and studied for the conversion of synthesis gas to light olefins and hydrocarbons. In particular, the effect of a range of preparation variables such as [Fe]/[Mn] molar ratios of the precipitation solution, pH of precipitation, temperature of precipitation, and precipitate aging times was investigated in detail. The results are interpreted in terms of the structure of the active catalyst and it has been generally concluded that the calcined catalyst (at 650 ∘C for 6 hours) containing 50%Fe/50%Mn‐on molar basis which is the most active catalyst for the conversion of synthesis gas to light olefins. The effects of different promoters and supports with loading of optimum support on the catalytic performance of catalysts are also studied. It was found that the catalyst containing 50%Fe/50%Mn/5 wt.%Al2O3 is an optimum‐modified catalyst. The catalytic performance of optimal catalyst has been studied in operation conditions such as a range of reaction temperatures, H2/CO molar feed ratios and a range of total pressures. Characterization of both precursors and calcined catalysts is carried out by powder X‐ray diffraction (XRD), scanning electron microscopy (SEM), BET specific surface area and thermal analysis methods such as TGA and DSC.

Bibliography

Mirzaei, A. A., Vahid, S., & Feyzi, M. (2008). FischerâTropsch Synthesis over Iron Manganese Catalysts: Effect of Preparation and Operating Conditions on Catalyst Performance. Advances in Physical Chemistry, 2009(1). Portico.

Authors 3

Ali A. Mirzaei (first)
Samaneh Vahid (additional)
Mostafa Feyzi (additional)

References 49 Referenced 27

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{'key': 'e_1_2_5_8_2', 'first-page': '159', 'volume-title': 'Catalysis Science and Technology', 'author': 'Dry M. E.', 'year': '1981'} / Catalysis Science and Technology by Dry M. E. (1981)
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Dates

Type	When
Created	16 years, 9 months ago (Nov. 20, 2008, 2:48 a.m.)
Deposited	1 year, 2 months ago (June 18, 2024, 1:19 a.m.)
Indexed	1 month ago (July 30, 2025, 10:39 a.m.)
Issued	16 years, 9 months ago (Nov. 19, 2008)
Published	16 years, 9 months ago (Nov. 19, 2008)
Published Online	16 years, 9 months ago (Nov. 19, 2008)
Published Print	16 years, 8 months ago (Jan. 1, 2009)

Funders 0

None

BibTeX

@article{Mirzaei_2008, title={Fischer‐Tropsch Synthesis over Iron Manganese Catalysts: Effect of Preparation and Operating Conditions on Catalyst Performance}, volume={2009}, ISSN={1687-7993}, url={http://dx.doi.org/10.1155/2009/151489}, DOI={10.1155/2009/151489}, number={1}, journal={Advances in Physical Chemistry}, publisher={Wiley}, author={Mirzaei, Ali A. and Vahid, Samaneh and Feyzi, Mostafa}, editor={Onishi, Hiroshi}, year={2008}, month=nov }

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