نتایج جستجو برای: tropsch synthesis

تعداد نتایج: 409677  

Journal: :Fuel 2022

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 ...

Journal: :Catalysis Communications 2021

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...

Journal: :Catalysts 2023

Although Fe-based catalysts have made significant progress in Fischer–Tropsch synthesis, the effect of residual sodium on structural properties and catalytic performance has been controversial. Herein, we report positive role FeAlNa for olefins synthesis from syngas. Meanwhile, as-prepared were characterized by multiple characterization technique to reveal properties. The results revealed that ...

2002
Momoji Kubo Changho Jung Tsuguo Kubota Kotaro Seki Seiichi Takami Naoto Koizumi Kohji Omata Muneyoshi Yamada Akira Miyamoto

Introduction Recently, computational chemistry made great impacts on the catalyst design and development. However, the computational chemistry is mainly employed to clarify the atomistic mechanism of the well-known catalytic reactions and to obtain the electronic information on the catalysts of which property and reactivity are well known experimentally. We suggested that such traditional compu...

Support vector regression (SVR) is a learning method based on the support vector machine (SVM) that can be used for curve fitting and function estimation. In this paper, the ability of the nu-SVR to predict the catalytic activity of the Fischer-Tropsch (FT) reaction is evaluated and the result is compared with two other prediction techniques including: multilayer perceptron (MLP) and subtractiv...

Journal: : 2021

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...

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