Effects of phosphating process of MoP catalyst on hydrogenation of acetic acid to ethanol

HE Xi-wang; XIAO Yong; JIA Li-tao; LI De-bao; HOU Bo; WANG Jun-gang

Volume 45 Issue 3

Mar. 2017

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Article Navigation > Journal of Fuel Chemistry and Technology > 2017 > 45(3): 323-328

HE Xi-wang, XIAO Yong, JIA Li-tao, LI De-bao, HOU Bo, WANG Jun-gang. Effects of phosphating process of MoP catalyst on hydrogenation of acetic acid to ethanol[J]. Journal of Fuel Chemistry and Technology, 2017, 45(3): 323-328.

Citation:

HE Xi-wang, XIAO Yong, JIA Li-tao, LI De-bao, HOU Bo, WANG Jun-gang. Effects of phosphating process of MoP catalyst on hydrogenation of acetic acid to ethanol[J]. Journal of Fuel Chemistry and Technology, 2017, 45(3): 323-328.

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Effects of phosphating process of MoP catalyst on hydrogenation of acetic acid to ethanol

HE Xi-wang^{1, 2},
XIAO Yong^{1
,
,},
JIA Li-tao¹,
LI De-bao^{1
,
,},
HOU Bo¹,
WANG Jun-gang¹

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds: The project was supported by the State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences

Received Date: 2016-11-29
Rev Recd Date: 2017-02-13

Available Online: 2021-01-23

Publish Date: 2017-03-10

Abstract

Abstract

A series of molybdenum phosphide (MoP) catalysts for the hydrogenation of acetic acid to ethanol were successfully synthesized and identified by means of X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Scanning electron microscope (SEM). The results reveal that MoP₂O₇ and MoO₂ exist on the catalyst surface together with MoP. MoP or the synergistic effects of MoP₂O₇ and MoO₂ species play roles in hydrogenation of acetic acid to ethanol. Phosphating temperature significantly affects the formation and dispersion of phosphide. A low phosphating temperature is not sufficient for the formation of MoP, but a high phosphating temperature leads to the agglomeration of MoP. The catalyst reduced at 650℃ has the highest hydrogenation activity and its P/Mo molar ratio is 1.0.
- molybdenum phosphide,
- acetic acid,
- hydrogenation,
- ethanol

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References(24)

References

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