Preparation and catalytic properties of Ni(Co)-W-B amorphous catalysts for 4-cresol hydrodeoxygenation

HU Tao; YANG Yun-quan; WANG Wei-yan; LIU Wen-ying; HE Heng; GAO Bo

Volume 40 Issue 01

Jan. 2012

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HU Tao, YANG Yun-quan, WANG Wei-yan, LIU Wen-ying, HE Heng, GAO Bo. Preparation and catalytic properties of Ni(Co)-W-B amorphous catalysts for 4-cresol hydrodeoxygenation[J]. Journal of Fuel Chemistry and Technology, 2012, 40(01): 80-85.

Citation:

HU Tao, YANG Yun-quan, WANG Wei-yan, LIU Wen-ying, HE Heng, GAO Bo. Preparation and catalytic properties of Ni(Co)-W-B amorphous catalysts for 4-cresol hydrodeoxygenation[J]. Journal of Fuel Chemistry and Technology, 2012, 40(01): 80-85.

Citation:

HU Tao, YANG Yun-quan, WANG Wei-yan, LIU Wen-ying, HE Heng, GAO Bo. Preparation and catalytic properties of Ni(Co)-W-B amorphous catalysts for 4-cresol hydrodeoxygenation[J]. Journal of Fuel Chemistry and Technology, 2012, 40(01): 80-85.

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Preparation and catalytic properties of Ni(Co)-W-B amorphous catalysts for 4-cresol hydrodeoxygenation

School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China

Received Date: 2011-01-09
Rev Recd Date: 2011-03-29
Publish Date: 2012-01-31

Abstract

Abstract

Ni-W-B and Co-W-B amorphous catalysts were prepared by chemical reduction. The resulting materials were characterized by BET, XRD and XPS, and the hydrodeoxygenation (HDO) performances of the catalysts were tested using 4-cresol as the model compound. The results showed that both of the two catalysts were amorphous structure. They showed high deoxygenation activity in the HDO of 4-cresol. However, in the HDO of 4-cresol at 523 K, Ni-W-B had high hydrogenation activity, showing 100.0% conversion of 4-cresol, 55.1% selectivity to 4-methylcyclohexanol and 44.1% of selectivity to deoxygenation. Co-W-B showed high activity of deoxygenation and the selectivity of deoxygenation was as high as 93.1%. It was mainly attributed to the different composition content of different elements with different valence states on the surface of the catalysts. Both of 4-cresol conversion and selectivity to deoxygenation could reach 100% over them at the conditions of 573 K and 4.0 MPa of hydrogen.
- amorphous catalyst,
- hydrodeoxygenation,
- 4-cresol,
- bio-oil

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References(30)

References

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