Catalytic hydrogenolysis of diphenyl ether over Ru supported on amorphous silicon-aluminum-TiO<sub>2</sub>

CHEN Bo; LI Lei; DIAO Zhi-ju; CAO Rui-dong; SONG Li-fei; HUANG Liang-qiu; WANG Xue

doi:10.1016/S1872-5813(21)60191-3

Volume 50 Issue 5

May 2022

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Article Navigation > Journal of Fuel Chemistry and Technology > 2022 > 50(5): 621-627

CHEN Bo, LI Lei, DIAO Zhi-ju, CAO Rui-dong, SONG Li-fei, HUANG Liang-qiu, WANG Xue. Catalytic hydrogenolysis of diphenyl ether over Ru supported on amorphous silicon-aluminum-TiO2[J]. Journal of Fuel Chemistry and Technology, 2022, 50(5): 621-627. doi: 10.1016/S1872-5813(21)60191-3

Citation:

CHEN Bo, LI Lei, DIAO Zhi-ju, CAO Rui-dong, SONG Li-fei, HUANG Liang-qiu, WANG Xue. Catalytic hydrogenolysis of diphenyl ether over Ru supported on amorphous silicon-aluminum-TiO₂[J]. Journal of Fuel Chemistry and Technology, 2022, 50(5): 621-627. doi: 10.1016/S1872-5813(21)60191-3

Citation:

CHEN Bo, LI Lei, DIAO Zhi-ju, CAO Rui-dong, SONG Li-fei, HUANG Liang-qiu, WANG Xue. Catalytic hydrogenolysis of diphenyl ether over Ru supported on amorphous silicon-aluminum-TiO₂[J]. Journal of Fuel Chemistry and Technology, 2022, 50(5): 621-627. doi: 10.1016/S1872-5813(21)60191-3

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Catalytic hydrogenolysis of diphenyl ether over Ru supported on amorphous silicon-aluminum-TiO₂

doi: 10.1016/S1872-5813(21)60191-3

CHEN Bo^{1, 2, 3
,
,},
LI Lei¹,
DIAO Zhi-ju^{4
,
,},
CAO Rui-dong¹,
SONG Li-fei¹,
HUANG Liang-qiu⁴,
WANG Xue¹

1.
School of Chemical Engineering, Northwest University, Xi'an 710069, China
2.
State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China
3.
Xi 'an Giant Biological Gene Technology Co. LTD, Xi'an 710077, China
4.
College of Urban and Environment Science, Northwest University, Xi'an 710127, China

Funds: The project was supported by the National Natural Science Foundation of China (21875186), Natural Science Basic Research Plan in Shaanxi Province of China (2019JM-259), Foundation of State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering (2019-KF-17), China Postdoctoral Science Foundation (2017M623205) and Special Research Foundation of Education Bureau of Shaanxi Province (15JK1692).

More Information

Corresponding author: E-mail: bochen@nwu.edu.cn (B. Chen); E-mail address: zjdiao@nwu.edu.cn (Z. J. Diao)
Received Date: 2021-08-18
Accepted Date: 2021-09-07
Rev Recd Date: 2021-09-04

Available Online: 2022-01-28

Publish Date: 2022-05-24

Abstract

Abstract

A bifunctional catalyst of Ru₅/ASA-TiO₂ was prepared by using a novel silicon-aluminum (ASA)-TiO₂ amorphous composite, which was synthesized by a steam-assisted method, as the support. X-ray diffraction (XRD), pyridine adsorption infrared (Py-FTIR), ammonia-temperature-programmed desorption (NH₃-TPD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and other methods were used to characterize the structure and the acidity of the prepared catalyst. Using diphenyl ether as the lignite-related model compound, the reaction activity of the Ru₅/ASA-TiO₂ for the catalytic hydrogenolysis of 4–O–5 type ether bonds was investigated under a mild condition. The results show that the weak acid and/or the Lewis acid rather than the strong Brønsted acid mainly contribute to improve the conversion rate and the benzene yield of the catalytic hydrogenolysis of diphenyl ether. The reaction temperature can influence the relative content of various types of acids to significantly affect the selectivity of the hydrogenolysis products of diphenyl ether. The conversion rate of diphenyl ether is greater than 98% while the benzene yield is 67.1%.
- hydrogenolysis,
- catalyst,
- lignite,
- model compound,
- ether linkage

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References(25)

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