CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Iron-Potassium on Single-Walled Carbon Nanotubes as Efficient Catalyst for CO2 Hydrogenation to Heavy Olefins
Wang, SW; Wu, TJ; Lin, J; Ji, YS; Yan, SR; Pei, YT; Xie, SH; Zong, BN; Qiao, MH
2020
Source PublicationACS CATALYSIS
ISSN2155-5435
Volume10Issue:11Pages:6389-6401
Subtype期刊论文
AbstractThe iron-potassium catalysts supported on single- and multiwalled carbon nanotubes, FeK/SWNTs and FeK/MWNTs, were fabricated, characterized, and evaluated in CO2 hydrogenation. The FeK/SWNTs catalyst outperforms the FeK/MWNTs catalyst in selectivity during CO2 hydrogenation to olefins with the selectivities being 62.3% and 52.4%, respectively. Of particular interest is that the FeK/SWNTs catalyst is more selective toward heavy olefins (C-5+(=) selectivity, 39.8%), whereas the FeK/MWNTs catalyst is more selective to light olefins (C-2-C-4(=) selectivity, 30.7%). The FeK/SWNTs catalyst also affords much lower selectivities to undesired CO and CH4 in addition to higher productivity of hydrocarbons, thus resulting in an unprecedentedly high productivity of heavy olefins of 27.6 mu mol(CO2) g(Fe)(-1) s(-1). The more electron-enriched exterior of SWNTs with large curvature, higher abundance of Hagg carbide, and stronger interaction with light olefins may rationalize the superior catalytic behavior of the FeK/SWNTs catalyst in CO2 hydrogenation to heavy olefins. The FeK/SWNTs catalyst also exhibited a minor change in catalytic performance in a 120 h stability test, highlighting SWNTs as a promising catalyst support for producing value-added chemicals from greenhouse gas CO2.
KeywordFISCHER-TROPSCH SYNTHESIS LIGHT OLEFINS FE ADSORPTION HYDROCARBONS CONVERSION DIOXIDE NANOPARTICLES CHEMISTRY PROMOTER
DOI10.1021/acscatal.0c00810
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32965
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Fudan Univ, Collaborat Innovat Ctr Chem Energy Mat, Dept Chem, Shanghai 200438, Peoples R China
2.Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200438, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Nucl Anal Tech, Shanghai 201800, Peoples R China
4.SINOPEC, State Key Lab Catalyt Mat & Chem Engn, Res Inst Petr Proc, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Wang, SW,Wu, TJ,Lin, J,et al. Iron-Potassium on Single-Walled Carbon Nanotubes as Efficient Catalyst for CO2 Hydrogenation to Heavy Olefins[J]. ACS CATALYSIS,2020,10(11):6389-6401.
APA Wang, SW.,Wu, TJ.,Lin, J.,Ji, YS.,Yan, SR.,...&Qiao, MH.(2020).Iron-Potassium on Single-Walled Carbon Nanotubes as Efficient Catalyst for CO2 Hydrogenation to Heavy Olefins.ACS CATALYSIS,10(11),6389-6401.
MLA Wang, SW,et al."Iron-Potassium on Single-Walled Carbon Nanotubes as Efficient Catalyst for CO2 Hydrogenation to Heavy Olefins".ACS CATALYSIS 10.11(2020):6389-6401.
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