Study of bimetallic Ni-Mo carbides in catalytic hydrogenation of furfural to value-added chemicals

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Abstract

The paper aims to study the effect of the composition of high-percentage carbide Ni-Mo systems modified by SiO2 on their activity and selectivity in the hydrogenation of furfural. The process was carried out in a solution of isopropanol at a temperature of 150 °C and a hydrogen pressure of 6.0 MPa in autoclave reactor. The main hydrogenation products were furfuryl alcohol (FA) and 2-methylfuran (2-MF). The formation of side compounds, such as tetrahydrofurfuryl alcohol and 2-methyltetrahydrofuran, was also observed. According to X-ray analysis, the catalytic systems synthesized using the Pechini method using citric acid and ethylene glycol as the carbon source contain the carbide phases (hex)-Mo2C, (cub)-MoC and Ni2Mo3C. It is shown that carbide content decreases with the amount of nickel in the catalyst, in addition, formation of a Ni-Mo alloy enriched in nickel is observed. It was indicated that a high Ni content increases the yield of by-products. At the same time, catalysts with a high content of carbide phases have a lower activity, but they allow obtaining a 60 mol.% FA yield and up to 29 mol.% of 2-MF.

Original languageEnglish
Title of host publicationRecent Advances on Environment, Chemical Engineering and Materials
EditorsB Lepadatescu
PublisherAmerican Institute of Physics Inc.
Number of pages6
Volume2022
ISBN (Electronic)9780735417403
DOIs
Publication statusPublished - 6 Nov 2018
Event2018 International Conference on Environment, Chemical Engineering and Materials - Sliema, Malta
Duration: 22 Jun 201824 Jun 2018

Publication series

NameAIP Conference Proceedings
PublisherAMER INST PHYSICS
Volume2022
ISSN (Print)0094-243X

Conference

Conference2018 International Conference on Environment, Chemical Engineering and Materials
CountryMalta
CitySliema
Period22.06.201824.06.2018

Keywords

  • PLATFORM MOLECULES
  • FUEL ADDITIVES
  • HYDRODEOXYGENATION

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