Effect of calcination temperature on the association between free NiO species and catalytic activity of Ni−Ce0.6Zr0.4O2 deoxygenation catalysts for biodiesel production

Kyung Won Jeon, Jae Oh Shim, Won Jun Jang, Da We Lee, Hyun Suk Na, Hak Min Kim, Yeol Lim Lee, Seong Yeun Yoo, Hyun Seog Roh, Byong Hun Jeon, Jong Wook Bae, Chang Hyun Ko

Research output: Contribution to journalArticle

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Abstract

In this study, a series of Ni−Ce0.6Zr0.4O2 catalysts, which were synthesized by co-precipitation followed by calcination at different temperatures, were applied for the deoxygenation of oleic acid. The physicochemical properties of the catalysts were characterized by N2 adsorption-desorption, X-ray diffraction (XRD), H2 chemisorption, H2 temperature-programmed reduction (H2-TPR), NH3 temperature-programmed desorption (NH3-TPD), and X-ray photoelectron spectroscopy (XPS). The Ni−Ce0.6Zr0.4O2 catalyst calcined at 300 °C exhibited the highest conversion for oleic acid as well as selectivity for diesel-range compounds. It is predominantly related to the highest amount of free NiO species. In addition, the acidity of the catalyst significantly affected the selectivity and distribution of products.

LanguageEnglish
Pages144-151
Number of pages8
JournalRenewable Energy
Volume131
DOIs
Publication statusPublished - 2019 Feb 1

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Biodiesel
Calcination
Catalyst activity
Association reactions
Catalysts
Oleic acid
Temperature
Catalyst selectivity
Temperature programmed desorption
Chemisorption
Coprecipitation
Acidity
Desorption
X ray photoelectron spectroscopy
Adsorption
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment

Cite this

Jeon, Kyung Won ; Shim, Jae Oh ; Jang, Won Jun ; Lee, Da We ; Na, Hyun Suk ; Kim, Hak Min ; Lee, Yeol Lim ; Yoo, Seong Yeun ; Roh, Hyun Seog ; Jeon, Byong Hun ; Bae, Jong Wook ; Ko, Chang Hyun. / Effect of calcination temperature on the association between free NiO species and catalytic activity of Ni−Ce0.6Zr0.4O2 deoxygenation catalysts for biodiesel production. In: Renewable Energy. 2019 ; Vol. 131. pp. 144-151.
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abstract = "In this study, a series of Ni−Ce0.6Zr0.4O2 catalysts, which were synthesized by co-precipitation followed by calcination at different temperatures, were applied for the deoxygenation of oleic acid. The physicochemical properties of the catalysts were characterized by N2 adsorption-desorption, X-ray diffraction (XRD), H2 chemisorption, H2 temperature-programmed reduction (H2-TPR), NH3 temperature-programmed desorption (NH3-TPD), and X-ray photoelectron spectroscopy (XPS). The Ni−Ce0.6Zr0.4O2 catalyst calcined at 300 °C exhibited the highest conversion for oleic acid as well as selectivity for diesel-range compounds. It is predominantly related to the highest amount of free NiO species. In addition, the acidity of the catalyst significantly affected the selectivity and distribution of products.",
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Effect of calcination temperature on the association between free NiO species and catalytic activity of Ni−Ce0.6Zr0.4O2 deoxygenation catalysts for biodiesel production. / Jeon, Kyung Won; Shim, Jae Oh; Jang, Won Jun; Lee, Da We; Na, Hyun Suk; Kim, Hak Min; Lee, Yeol Lim; Yoo, Seong Yeun; Roh, Hyun Seog; Jeon, Byong Hun; Bae, Jong Wook; Ko, Chang Hyun.

In: Renewable Energy, Vol. 131, 01.02.2019, p. 144-151.

Research output: Contribution to journalArticle

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AU - Jeon, Kyung Won

AU - Shim, Jae Oh

AU - Jang, Won Jun

AU - Lee, Da We

AU - Na, Hyun Suk

AU - Kim, Hak Min

AU - Lee, Yeol Lim

AU - Yoo, Seong Yeun

AU - Roh, Hyun Seog

AU - Jeon, Byong Hun

AU - Bae, Jong Wook

AU - Ko, Chang Hyun

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AB - In this study, a series of Ni−Ce0.6Zr0.4O2 catalysts, which were synthesized by co-precipitation followed by calcination at different temperatures, were applied for the deoxygenation of oleic acid. The physicochemical properties of the catalysts were characterized by N2 adsorption-desorption, X-ray diffraction (XRD), H2 chemisorption, H2 temperature-programmed reduction (H2-TPR), NH3 temperature-programmed desorption (NH3-TPD), and X-ray photoelectron spectroscopy (XPS). The Ni−Ce0.6Zr0.4O2 catalyst calcined at 300 °C exhibited the highest conversion for oleic acid as well as selectivity for diesel-range compounds. It is predominantly related to the highest amount of free NiO species. In addition, the acidity of the catalyst significantly affected the selectivity and distribution of products.

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