Tuning interaction of surface-adsorbed species over Fe/K-Al2O3 modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO2 hydrogenation

Nawapat Chaipraditgul; Thanapha Numpilai; Chin Kui Cheng; Nuchanart Siri-Nguan; Thana Sornchamni; Chularat Wattanakit; Jumras Limtrakul; Thongthai Witoon

doi:10.1016/j.fuel.2020.119248

Tuning interaction of surface-adsorbed species over Fe/K-Al₂O₃ modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO₂ hydrogenation

Nawapat Chaipraditgul, Thanapha Numpilai, Chin Kui Cheng, Nuchanart Siri-Nguan, Thana Sornchamni, Chularat Wattanakit, Jumras Limtrakul, Thongthai Witoon

Chemical and Petroleum Engineering

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

The presence of transition metals (Cu, Co, Zn, Mn or V) in Fe/K-Al₂O₃, modifying the adsorption-desorption properties of CO₂ and H₂ with the catalyst surface remarkably influences the catalytic performance for CO₂ hydrogenation to light olefins. The addition of either Cu or Zn to Fe/K-Al₂O₃ significantly increases the number of weakly adsorbed H atom, yielding the high CO₂ conversion and shifting the product distribution towards longer chain hydrocarbon with a higher content of paraffins. The addition of Co to Fe/K-Al₂O₃ also enhances the CO₂ conversion but it provides the short chain hydrocarbon (C₁-C₄) and thus achieving the highest light olefins yield of 16.2%. The presence of either Mn or V inhibits the CO hydrogenation to hydrocarbon, leading to the low CO₂ conversion. The Mn promoter reduces the number of weakly adsorbed H atom, lowering the hydrogenation ability of the catalyst, resulting in the highest olefin to paraffin ratio of 7.4.

Original language	British English
Article number	119248
Journal	Fuel
Volume	283
DOIs	https://doi.org/10.1016/j.fuel.2020.119248
State	Published - 1 Jan 2021

Keywords

CO hydrogenation
Fe-based catalysts
Fischer-Tropsch
Light olefins
Transition metals

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.fuel.2020.119248

Cite this

Chaipraditgul, N., Numpilai, T., Kui Cheng, C., Siri-Nguan, N., Sornchamni, T., Wattanakit, C., Limtrakul, J., & Witoon, T. (2021). Tuning interaction of surface-adsorbed species over Fe/K-Al₂O₃ modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO₂ hydrogenation. Fuel, 283, Article 119248. https://doi.org/10.1016/j.fuel.2020.119248

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title = "Tuning interaction of surface-adsorbed species over Fe/K-Al2O3 modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO2 hydrogenation",

abstract = "The presence of transition metals (Cu, Co, Zn, Mn or V) in Fe/K-Al2O3, modifying the adsorption-desorption properties of CO2 and H2 with the catalyst surface remarkably influences the catalytic performance for CO2 hydrogenation to light olefins. The addition of either Cu or Zn to Fe/K-Al2O3 significantly increases the number of weakly adsorbed H atom, yielding the high CO2 conversion and shifting the product distribution towards longer chain hydrocarbon with a higher content of paraffins. The addition of Co to Fe/K-Al2O3 also enhances the CO2 conversion but it provides the short chain hydrocarbon (C1-C4) and thus achieving the highest light olefins yield of 16.2%. The presence of either Mn or V inhibits the CO hydrogenation to hydrocarbon, leading to the low CO2 conversion. The Mn promoter reduces the number of weakly adsorbed H atom, lowering the hydrogenation ability of the catalyst, resulting in the highest olefin to paraffin ratio of 7.4.",

keywords = "CO hydrogenation, Fe-based catalysts, Fischer-Tropsch, Light olefins, Transition metals",

author = "Nawapat Chaipraditgul and Thanapha Numpilai and {Kui Cheng}, Chin and Nuchanart Siri-Nguan and Thana Sornchamni and Chularat Wattanakit and Jumras Limtrakul and Thongthai Witoon",

note = "Funding Information: This research was supported in part by the Thailand Research Fund and the Kasetsart University (grant no. RSA6280007 ), the Center of Excellence on Petrochemical and Materials Technology (PETROMAT) , the Nanotechnology Center (NANOTEC) , NSTDA , the Ministry of Science and Technology, Thailand , through its program of Research Network of NANOTEC (RNN) , the Postdoctoral Fellowship from Vidyasirimedhi Institute of Science and Technology , the Program Management Unit for Human Resources & Institutional Development, Research and Innovation (B05F630097) and TTSF research project supported by Thailand Toray Science Foundation. Financial support for Mr. Nawapat Chaipraditgul from Faculty of Engineering, Kasetsart University is also appreciated. Publisher Copyright: {\textcopyright} 2020 Elsevier Ltd",

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doi = "10.1016/j.fuel.2020.119248",

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T1 - Tuning interaction of surface-adsorbed species over Fe/K-Al2O3 modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO2 hydrogenation

AU - Chaipraditgul, Nawapat

AU - Numpilai, Thanapha

AU - Kui Cheng, Chin

AU - Siri-Nguan, Nuchanart

AU - Sornchamni, Thana

AU - Wattanakit, Chularat

AU - Limtrakul, Jumras

AU - Witoon, Thongthai

N1 - Funding Information: This research was supported in part by the Thailand Research Fund and the Kasetsart University (grant no. RSA6280007 ), the Center of Excellence on Petrochemical and Materials Technology (PETROMAT) , the Nanotechnology Center (NANOTEC) , NSTDA , the Ministry of Science and Technology, Thailand , through its program of Research Network of NANOTEC (RNN) , the Postdoctoral Fellowship from Vidyasirimedhi Institute of Science and Technology , the Program Management Unit for Human Resources & Institutional Development, Research and Innovation (B05F630097) and TTSF research project supported by Thailand Toray Science Foundation. Financial support for Mr. Nawapat Chaipraditgul from Faculty of Engineering, Kasetsart University is also appreciated. Publisher Copyright: © 2020 Elsevier Ltd

PY - 2021/1/1

Y1 - 2021/1/1

N2 - The presence of transition metals (Cu, Co, Zn, Mn or V) in Fe/K-Al2O3, modifying the adsorption-desorption properties of CO2 and H2 with the catalyst surface remarkably influences the catalytic performance for CO2 hydrogenation to light olefins. The addition of either Cu or Zn to Fe/K-Al2O3 significantly increases the number of weakly adsorbed H atom, yielding the high CO2 conversion and shifting the product distribution towards longer chain hydrocarbon with a higher content of paraffins. The addition of Co to Fe/K-Al2O3 also enhances the CO2 conversion but it provides the short chain hydrocarbon (C1-C4) and thus achieving the highest light olefins yield of 16.2%. The presence of either Mn or V inhibits the CO hydrogenation to hydrocarbon, leading to the low CO2 conversion. The Mn promoter reduces the number of weakly adsorbed H atom, lowering the hydrogenation ability of the catalyst, resulting in the highest olefin to paraffin ratio of 7.4.

AB - The presence of transition metals (Cu, Co, Zn, Mn or V) in Fe/K-Al2O3, modifying the adsorption-desorption properties of CO2 and H2 with the catalyst surface remarkably influences the catalytic performance for CO2 hydrogenation to light olefins. The addition of either Cu or Zn to Fe/K-Al2O3 significantly increases the number of weakly adsorbed H atom, yielding the high CO2 conversion and shifting the product distribution towards longer chain hydrocarbon with a higher content of paraffins. The addition of Co to Fe/K-Al2O3 also enhances the CO2 conversion but it provides the short chain hydrocarbon (C1-C4) and thus achieving the highest light olefins yield of 16.2%. The presence of either Mn or V inhibits the CO hydrogenation to hydrocarbon, leading to the low CO2 conversion. The Mn promoter reduces the number of weakly adsorbed H atom, lowering the hydrogenation ability of the catalyst, resulting in the highest olefin to paraffin ratio of 7.4.

KW - CO hydrogenation

KW - Fe-based catalysts

KW - Fischer-Tropsch

KW - Light olefins

KW - Transition metals

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