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. shu

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

HE Xi-wang ^1,2 ,
XIAO Yong ^1,*,, ,
JIA Li-tao ¹ ,
LI De-bao ^1,*,, ,
HOU Bo ¹ ,
WANG Jun-gang ¹

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

Corresponding author: XIAO Yong, xiaoyong@sxicc.ac.cn LI De-bao, dbli@sxicc.ac.cn
Received Date: 29 November 2016
Revised Date: 13 February 2017

Figures(7)

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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