A method for systematic reactor design, described by Hillestad [1], is applied to the Fischer-Tropsch synthesis. The reactor path is sectioned into stages and design functions are optimized to maximize an objective function. Two different objective functions are considered: the yield of wax and a measure of the profitability. With the chosen kinetic model [2] and the path temperature constraine...

This review analyzes the literature from 80’s to beginning of 2020 and covers use carbon materials as supports for cobalt-based catalysts used in Fischer Tropsch reaction. The article is composed two sections. first one details reactivity supported cobalt with a particular focus on: i) reaction mechanisms conditions, ii) effect particle size, iii) confinement effects, iv) hydrogen spillover, v)...

The iron-based catalyst was prepared by a microemulsion method. The composition of the final nanosized iron catalyst, in terms of the atomic ratio, contains 100Fe/4Cu/2K. The experimental techniques of XRD, BET, TEM, and TPR were used to study the phase, structure, and morphology of the catalyst. Fischer-Tropsch synthesis (FTS) reaction test was performed in a fixed bed reactor under pressure o...

The complex reaction mechanism of iron-based Fischer-Tropsch synthesis comprises manifold primary and secondary pathways. Within this work, an experimental setup for spatially-resolved measurements on promoted catalysts is presented, allowing a general study the influence operating conditions promotion as well reactions product selectivity. It was found that, depending catalyst composition, con...

The particle sizes and metal support interactions play a pivotal role in Fischer Tropsch synthesis. Herein, promoter-embedded Co/TiO2 mesoporous nanocomposites with high surface area were synthesized through templated assisted solvothermal method comprising highly dispersed spherical shaped Co nanoparticles on titania of less than 10 nm. Moreover, synthesis aqueous media, rather wax-slurry, is ...

Chemical reaction of small silicon cluster ions Sin (11 ≤ n ≤ 20) with ethylene was studied with a newly implemented Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer. Silicon clusters were generated by a pulsed laser-vaporization supersonic-expansion cluster beam source directly connected to FT-ICR spectrometer. Injected and size selected silicon clusters were thermalized to...

Fischer-Tropsch synthesis is one of the most important catalytic reactions that convert the synthetic gas to light and heavy hydrocarbons. One of the main issues is selecting the type of reactor. The slurry bubble reactor is suitable choice for FischerTropsch synthesis because of its good qualification to transfer heat and mass, high durability of catalyst, low cost maintenance and repair. The ...

Steam Methane Reforming (SMR) is the main method to obtain synthesis gas inproduction of alcohol, ammonia, acids Fischer-Tropsch and other organic products.The study has investigated reaction SMR it mechanism, explained aerosolnanocatalysis (AnC) vibrated bed as alternative technology instead using heterogeneouscatalyst in bed. The research proven that NiO best catalyst could be used thereactio...

Environmental factors, including greenhouse gas (GHG) emissions and soil organic carbon (SOC), should be considered when building a sustainable biofuel supply chain. This work developed three-step optimization approach integrating geographical information system-based mixed-integer linear programming model to economically optimize the chain on premise of meeting certain GHG emission criteria. T...

Zinc borate is an important boron compound that can be used as multi-functional flame retardant additive due to its high dehydration temperature property. In this study, the raw materials of ZnSO4.7H2O, NaOH and H3BO3 were characterized by X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FT-IR) and used in the synthesis of zinc borates. The synthesis parameters were set to 1...