Sodium-Containing Spinel Zinc Ferrite as a Catalyst Precursor for the Selective Synthesis of Liquid Hydrocarbon Fuels
- Authors
- Choi, Yo Han; Ra, Eun Cheol; Kim, Eun Hyup; Kim, Kwang Young; Jang, Youn Jeong; Kang, Kyeong-Nam; Choi, Sun Hee; Jang, Ji-Hyun; Lee, Jae Sung
- Issue Date
- Dec-2017
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- carbon dioxide; fischer-tropsch synthesis; fuels; hydrogenation; spinel phases
- Citation
- CHEMSUSCHEM, v.10, no.23, pp.4764 - 4770
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMSUSCHEM
- Volume
- 10
- Number
- 23
- Start Page
- 4764
- End Page
- 4770
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/18544
- DOI
- 10.1002/cssc.201701437
- ISSN
- 1864-5631
- Abstract
- A microwave-assisted hydrothermal synthesis produces ZnFe2O4 containing Na residue as a precursor to a CO2 hydrogenation catalyst that displays high CO2 conversion and high selectivity to liquid hydrocarbon products in the gasoline and diesel range with high olefin-to-paraffin ratios. Compared to reference catalysts derived from Fe2O3 and a ZnO-Fe2O3 physical mixture, the ZnFe2O4-derived catalyst contains well-dispersed iron particles with Zn serving as a structural promoter. A profound effect of the residual Na as an electronic promoter is also observed, which improves the selectivity for C5+ hydrocarbons and olefins. The ZnFe2O4-derived catalyst exhibits excellent performance in the CO2 Fischer-Tropsch reaction as it forms the active Hagg iron carbide (-Fe5C2) phase readily through the insitu carburization of iron.
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