Confined Iron Nanoparticles on Mesoporous Ordered Silica for Fischer–Tropsch Synthesis

Toncón-Leal, C.F.; Amaya-Roncancio, S.; Blanco, A.A. García; Moreno, M. Sergio; Sapag, Karim

doi:10.1007/s11244-019-01201-1

Cited by 11 publications

(1 citation statement)

References 43 publications

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“…Co/CNT TEM -Revealing the presence of carbon shells around metal nanoparticles with different thicknesses -Determination of Co particle size distribution -Studying the effect of sintering temperature on particle size of Co particles -Inability of TEM in detecting the structure of ultra-small particles [113] Fe@C (MOF) SEM -Analyzing the morphology of samples before and after pyrolysis at 700 • C and reduction under different atmospheres which showed no significant difference [114] Co/Char TEM -Presence of bimodal size distribution with different morphologies for Co particles [115] Fe/SBA-15 SEM and TEM -Studying the textural properties of catalyst -Detection of no significant difference between shape of particles in support itself and the catalyst according to SEM -Presence of most iron particles inside the pores of support -Revealing the hexagonal pore structure characteristic of the SBA-15 with non-uniform pore size distribution ( PSD) according to TEM [116] Co/SiO 2 SEM and TEM -Detection of better porosity development in the catalysts prepared by microwave-assisted technique compared to conventional methods by SEM -Existence of ideal particle size (10 nm) for FTS by microwave-assisted prepared catalyst compared to narrow particle sizes (2-3 nm) of conventionally dried catalysts by using TEM [117] 7.4. Thermal Methods Thermogravimetric analysis (TGA), temperature-programmed desorption (TPD) and temperature-programmed reduction (TPR) are useful techniques for investigating the chemical structure of Fe and Co catalysts in FTS.…”

Section: Catalyst Technique Focus Referencementioning

confidence: 99%

Kinetics and Selectivity Study of Fischer–Tropsch Synthesis to C5+ Hydrocarbons: A Review

2021

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Fischer-Tropsch synthesis (FTS) is considered as one of the non-oil-based alternatives for liquid fuel production. This gas-to-liquid (GTL) technology converts syngas to a wide range of hydrocarbons using metal (Fe and Co) unsupported and supported catalysts. Effective design of the catalyst plays a significant role in enhancing syngas conversion, selectivity towards C5+ hydrocarbons, and decreasing selectivity towards methane. This work presents a review on catalyst design and the most employed support materials in FTS to synthesize heavier hydrocarbons. Furthermore, in this report, the recent achievements on mechanisms of this reaction will be discussed. Catalyst deactivation is one of the most important challenges during FTS, which will be covered in this work. The selectivity of FTS can be tuned by operational conditions, nature of the catalyst, support, and reactor configuration. The effects of all these parameters will be analyzed within this report. Moreover, zeolites can be employed as a support material of an FTS-based catalyst to direct synthesis of liquid fuels, and the specific character of zeolites will be elaborated further. Furthermore, this paper also includes a review of some of the most employed characterization techniques for Fe- and Co-based FTS catalysts. Kinetic study plays an important role in optimization and simulation of this industrial process. In this review, the recent developed reaction rate models are critically discussed.

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