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Combinations of CO/CO2 reactions with Fischer–Tropsch synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
54636 47017 2013 7 PDF Available
Title
Combinations of CO/CO2 reactions with Fischer–Tropsch synthesis
Abstract

•Two combinations of the CO/CO2 shift reactions and FT are presented.•Experimental results with cobalt catalyst alone and in physical mixture with copper.•Extrapolations done using validated kinetic models.•Effect of H2/CO2 on hydrocarbon yield in HTFTS.

The combination of CO/CO2 shift reactions with Fischer–Tropsch synthesis offers the possibility to produce hydrocarbons from CO-rich syngas (from biomass or coal gasification) and from H2/CO2 mixtures. In the case of CO-rich synthesis gas, the H2/CO ratio needs to meet stoichiometric requirements for the low-temperature Fischer–Tropsch synthesis and therefore the CO is shifted to CO2 to form additional H2. Mixtures of H2/CO2 require the shift of CO2 into CO, which acts as intermediate in the production of short-chain hydrocarbons via high-temperature Fischer–Tropsch synthesis. The present work analyzes based on validated kinetic models how the shift reaction affects the FT reaction under operation conditions of interest and how both FT and shift reactions can be optimized to maximize hydrocarbon production.

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Keywords
Fischer–Tropsch; CO shift; CO2 shift; Hydorcarbon synfuels
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 215, 15 October 2013, Pages 194–200
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us