Fischer-Tropsch Reactors

Steynberg, A.P.; Dry, Mark E.; Davis, Burtron H.; Breman, B.B.

doi:10.1016/s0167-2991(04)80459-2

Cited by 246 publications

(337 citation statements)

References 90 publications

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“…From 1980's, slurry phase reactors was used to ultimately produce mainly diesel with naphtha as a significant co-product by using a scheme in which the reactor wax is hydrocracked [33]. H2/CO ratio of the feed gas of FT synthesis process varies in a wide range.…”

Section: E Fischer-tropsch Synthesismentioning

confidence: 99%

Simulation for Integrated Systems of Typical Coal-to-liquids Processes and Waste Energy Exploitation Based on Different Gasification Processes

Yu¹,

Yang²,

Wang³

2017

Proceedings of the 2nd 2016 International Conference on Sustainable Development (ICSD 2016)

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Abstract-Integrated systems of FT liquids processes and waste energy utilization based on Shell, GSP and GE gasification are designed and simulated. The results show that under the condition of 1 000 t/hr coal feedstock, the yields of the liquids, including diesel, naphtha and LPG, are 205.2t/hr, 73.2t/hr and 40.1t/hr, respectively based on shell; 205.1t/hr, 73.2t/hr and 40.1t/hr, respectively based on GSP; 183.8t/hr, 65.6t/hr and 35.9t/hr respectively based on GE. However, the electricity generation equivalent to about 2% of coal thermal value cannot meet the power needs of the three systems. Based on LHV, the highest system thermal efficiency of 47.7% comes from the system based on Shell. The lowest system thermal efficiency, resulting from the system based on GE, has decreased 7.1% compared with that of the system based Shell. The proportion of carbon capture to the total carbon entering the systems is 58.7% (for the system based on Shell), 58.6% (for the system based on GSP) and 59.5% (for the system based on GE), respectively.

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Section: E Fischer-tropsch Synthesismentioning

confidence: 99%

Simulation for Integrated Systems of Typical Coal-to-liquids Processes and Waste Energy Exploitation Based on Different Gasification Processes

Yu¹,

Yang²,

Wang³

2017

Proceedings of the 2nd 2016 International Conference on Sustainable Development (ICSD 2016)

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“…Chapter 2 of the book edited by Steynberg and Dry [22] considers the design of and issues with FT reactors.…”

Section: Reactor Designmentioning

confidence: 99%

A Fischer-Tropsch synthesis reactor model framework for liquid biofuels production.

Pratt¹

2012

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Fischer-Tropsch synthesis (FTS) is an attractive option in the process of converting biomass-derived syngas to liquid fuels in a small-scale mobile bio-refinery. Computer simulation can be an efficient method of designing a compact FTS reactor, but no known comprehensive model exists that is able to predict performance of the needed non-traditional designs.This work developed a generalized model framework that can be used to examine a variety of FTS reactor configurations. It is based on the four fundamental physics areas that underlie FTS reactors: momentum transport, mass transport, energy transport, and chemical kinetics, rather than empirical data of traditional reactors.The mathematics developed were applied to an example application and solved numerically using COMSOL. The results compare well to the literature and give insights into the operation of FTS that are then used to propose a new reactor concept that may be suitable for the mobile bio-refinery application. 4 AcknowledgementsI am deeply grateful to the Sandia LDRD office and the ECIS investment area for sponsoring this project.I would also like to thank the following people who participated in this project:• Chris Shaddix for his mentorship, both technically and personally, throughout the project.• Hank Westrich and Sheri Martinez at the LDRD Office for their assistance and encouragement.• Daniel Dedrick for his work in forming the concept of this LDRD topic.• Blake Simmons for providing project management so I could focus on the technical challenges.• Deanna Agosta for financial planning.• Tiffany Vargas and Karen McWilliams at the CA Technical Library for providing and/or helping me find the countless papers and texts used to develop my understanding of everything from the detailed theory to the history and applications of FTS. 5 SummaryLiquid fuels synthesized from renewable CO and H 2 could displace petroleum-based fuels to provide clean, renewable energy for the future. Small scale (<20 bbl/day) reactors for synthetic liquid fuels production are an emerging development area that may enable mobile biomass-to-liquids plants suited for on-demand liquid fuel production from diverse, underutilized, local resources. The design of such a "mobile bio-refinery" is a significant departure from the traditional large-scale industrial designs and requires predictive tools such as computer models to efficiently produce a successful facility. Because existing models inherently incorporate the empirical results of the traditional designs they are not suitable for this application. The need for a model that can examine the drastic design changes and innovations needed for the mobile bio-refinery is clear.The goal of this work was to create a gas-to-liquids synthesis model with the minimum amount of empiricism and assumptions allowed by the current state of the theory, through integrated physics component models across varying length scales, with the ultimate purpose being to enable design of efficient, durable, and flexible small scale and/or novel re...

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“…In Eq. 3, the Module M [15] is defined based on mole-fractions of CO, CO2 and H2 in the syngas. It can be seen that an M-value of 2 is optimal for methanol synthesis.…”

Section: Design Of the Methanol Plant Modelmentioning

confidence: 99%

Technoeconomic analysis of a methanol plant based on gasification of biomass and electrolysis of water

Clausen

Houbak

Elmegaard

2010

Energy

147

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Methanol production process configurations based on renewable energy sources have been designed. The processes were analyzed in the thermodynamic process simulation tool DNA. The syngas used for the catalytic methanol production was produced by gasification of biomass, electrolysis of water, CO2 from post-combustion capture and autothermal reforming of natural gas or biogas. Underground gas storage of hydrogen and oxygen was used in connection with the electrolysis to enable the electrolyser to follow the variations in the power produced by renewables.Six plant configurations, each with a different syngas production method, were compared. The plants achieve methanol exergy efficiencies of 59-72%, the best from a configuration incorporating autothermal reforming of biogas and electrolysis of water for syngas production. The different processes in the plants are highly heat integrated, and the low-temperature waste heat is used for district heat production. This results in high total energy efficiencies (~90%) for the plants. The * Corresponding author. Fax: +45 45884325, email: lrc@mek.dtu.dk 1 specific methanol costs for the six plants are in the range 11.8-25.3 €/GJexergy. The lowest cost is obtained by a plant using electrolysis of water, gasification of biomass and autothermal reforming of natural gas for syngas production.

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Fischer-Tropsch Reactors

Cited by 246 publications

References 90 publications

Simulation for Integrated Systems of Typical Coal-to-liquids Processes and Waste Energy Exploitation Based on Different Gasification Processes

Simulation for Integrated Systems of Typical Coal-to-liquids Processes and Waste Energy Exploitation Based on Different Gasification Processes

A Fischer-Tropsch synthesis reactor model framework for liquid biofuels production.

Technoeconomic analysis of a methanol plant based on gasification of biomass and electrolysis of water

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