Abstract
Background: Among all of the consumable energy, the liquid fuel is very important. The use of the various technologies to produce this expensive material will be increasing day by day. Materials & Methods: The Fischer-Tropsch Process is one of these technologies. In this catalytic process, a lot of products are produced, therefore, it is always steered to the production of favorable products. For this reason, in order to predict the performance of iron-based catalysts, based on the three factors;pressure, temperature and H2/CO ratio, the selectivity models for the products were obtained. Then, the best possible conditions for the highest production of hydrocarbons were calculated which are used in the designing of engineering equipment. Result & Conclusion: The optimal condition for the maximum production of total hydrocarbons achieved was set as P=1 MPa, H2/CO=1, and T=542 K.
Highlights
Energy Outlook 2016 predicted that the liquid fuel consumption will increase by more than 34% between 2012 and 2040, the majority of which will be spent on transportation and industry [1]
By employing the response surface methodology for the products derived from FT synthesis on the iron-based catalyst under the three factors; temperature, pressure, and H2/CO ratio, the selectivity models are obtained
The Fischer-Tropsch synthesis produces a type of liquid fuels to apply the iron-based catalyst and as well as the renewable materials such as wood and coal waste
Summary
Energy Outlook 2016 predicted that the liquid fuel consumption will increase by more than 34% between 2012 and 2040, the majority of which will be spent on transportation and industry [1]. The Fischer-Tropsch synthesis is an important technology that, through various reactions, converts synthesis gas (CO, CO2, H2) into liquid fuels, such as gasoline and diesel [2 - 5]. The cobalt catalyst is often suitable for synthesis gas derived from natural gas This catalyst at high temperatures mainly produces methane, which exhibits poor performance for the Water Gas Shift reaction (WGS) [7, 8]. While the iron-based catalyst is observed to have a more suitable activity for synthesis gas produced from coal and biomass. It produces a wide range of products at different temperatures and prevents the accumulation of carbon on its surface by using the WGS, it will deactivate later [9 - 11]. The use of the various technologies to produce this expensive material will be increasing day by day
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