Researching Fe catalyst suitable for CO{sub 2}-containing syngas for Fischer-Tropsch synthesis
- Zhejiang University of Technology, Hangzhou (China). College of Chemical Engineering and Materials Science
Fischer-Tropsch (FT) synthesis is a technology to produce liquid fuels from coal, natural gas, and biomass as an alternate to crude oil. However, the quantity of emitted CO{sub 2} from the FT process consisting of syngas preparation, FT synthesis, and product workup is one of the serious disadvantages of FT process. The conversion of CO{sub 2} into hydrocarbons is one of the promising methods to decrease CO{sub 2} emissions. Effects of promoter addition on the activity of precipitated Fe catalysts for the conversion of CO{sub 2} were studied using pure CO{sub 2} and CO{sub 2}-containing syngas feeds. The results suggested that CO{sub 2} can be activated by suitable promoter(s) for hydrocarbon synthesis at low temperature. Low K content is suitable for increasing hydrocarbon yield. The Fe catalysts promoted by equal Zn and Cu have higher CO and CO{sub 2} conversion and decreased CH{sub 4} selectivity. 36 refs., 7 figs., 3 tabs.
- OSTI ID:
- 21261583
- Journal Information:
- Energy and Fuels, Journal Name: Energy and Fuels Journal Issue: 9 Vol. 23; ISSN ENFUEM; ISSN 0887-0624
- Country of Publication:
- United States
- Language:
- English
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