نتایج جستجو برای: fischer tropsch synthesis

تعداد نتایج: 416298  

2015
Mala A. Sainna Sam P. de Visser Francesc Illas

Industrial Fischer-Tropsch processes involve the synthesis of hydrocarbons usually on metal surface catalysts. On the other hand, very few homogeneous catalysts are known to perform a Fischer-Tropsch style of reaction. In recent work, we established the catalytic properties of a diruthenium-platinum carbene complex, [(CpRu)₂(μ²-H) (μ²-NHCH₃)(μ³-C)PtCH₃(P(CH₃)₃)₂](CO)n⁺ with n=0, 2 and Cp=η⁵-C₅(...

2013
Hanif A. Choudhury Vijayanand S. Moholkar

Fischer–Tropsch technology has gathered renewed interest in the energy industry in recent times for synthesis of diesel and gasoline. The synthesis of linear hydrocarbon diesel fuel (having high cetane number) through Fischer–Tropsch synthesis (FTS) reaction requires syngas with high H2/CO molar ratio. Producer gas obtained from biomass gasification has low H2/CO ratios, with significant conten...

Journal: Gas Processing 2016

Recent developments in gas-to-liquid conversion industry lead to reduction in initial investment, and it is expected by growth in demand for refined products in countries and the need to import these products in the countries. Implementing such projects can prevent currency outflow. In this article an integrated structure is developed for producing liquid fuels from natural gas through Fischer-...

Abbas Ali Khodadadi Ahmad Tavasoli, Ali Karimi Kambiz Sadagiani Mohammad Ali Mousavian Yadollah Mortazavi,

An extensive study of Fischer-Tropsch synthesis (FTS) on alumina-supported cobalt catalysts promoted with different amounts of ruthenium and rhenium is reported. Up to 2 wt% of promoters, are added to the catalyst by coimpregnation. The catalysts are characterized by different methods including: BET physisorption, X-ray diffraction, hydrogen chemisorption, and temperature-programmed reducti...

Journal: :Physical chemistry chemical physics : PCCP 2014
S K Beaumont

This perspective offers an overview of using nanomaterials for understanding cobalt catalysed Fischer-Tropsch chemistry. Nanomaterials now afford unprecedented control of size, shape and structure at the nanometre scale. This makes them invaluable tools for studying heterogeneous catalysis. The Fischer-Tropsch reaction, especially using cobalt based catalysts, is a linchpin in many processes fo...

Arezoo Sadat Emrani Fatola Farhadi Mohammad Saber

  In this paper, modeling and optimization of Fischer-Tropsch Synthesis is considered in a fixed-bed catalytic reactor using an industrial Fe-Cu-K catalyst. A one dimensional pseudo-homogenous plug flow model without axial dispersion is developed for converting syngas to heavy hydrocarbons. The effects of temperature, pressure, H2 to CO ratio in feed stream, and CO molar flow on the mass flow r...

Journal: :Journal of the Fuel Society of Japan 1983

Journal: :Energy for Sustainable Development 2007

Journal: :Journal of Energy 2023

While fossil oil reserves have been receding, the demand for diesel and gasoline has growing. In recent years, syngas of biomass origin emerging as a viable feedstock Fischer-Tropsch (FT) synthesis, process manufacturing synthetic diesel. This paper reports optimization quality to match FT synthesis requirement. The model maximizes thermal efficiency under constraint <math xmlns="http://www.w3....

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