Synergistic interaction of metal–acid sites for phenol hydrodeoxygenation over bifunctional Ag/TiO<sub>2</sub> nanocatalyst

Andrew Ng Kay Lup; Faisal Abnisa; Wan Mohd Ashri Wan Daud; Mohamed Kheireddine Aroua

doi:10.1016/j.cjche.2018.08.028

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Synergistic interaction of metal–acid sites for phenol hydrodeoxygenation over bifunctional Ag/TiO₂ nanocatalyst

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Synergistic interaction of metal–acid sites for phenol hydrodeoxygenation over bifunctional Ag/TiO₂ nanocatalyst
- Chinese Journal of Chemical Engineering Vol. 27, Issue 2, Pages: 349-361(2019)
- Affiliations：
  
  1. 2 Centre for Carbon Dioxide Capture and Utilization, School of Science and Technology, Sunway University, Bandar Sunway, Petaling Jaya,Malaysia,47500
  2. 3 Department of Engineering, Lancaster University,Lancaster,UK,LA1 4YW
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.08.028
  CLC：
- Published：2019
- Accepted：
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nanocatalyst[J]. Chinese Journal of Chemical Engineering, 2019, 27(2): 349-361.
DOI：

nanocatalyst[J]. Chinese Journal of Chemical Engineering, 2019, 27(2): 349-361. DOI： 10.1016/j.cjche.2018.08.028.

摘要

Abstract

The use of silver metal for hydrodeoxygenation (HDO) applications is scarce and different studies have indicated of its varying HDO activity. Several computational studies have reported of silver having almost zero turnover frequency for HDO owing to its high C-O bond breaking energy barrier and low carbon and oxygen binding energies. Herein this work

titania supported silver catalysts were synthesized and firstly used to examine its phenol HDO activity via experimental reaction runs. BET

XRD

FESEM

TEM

EDX

ICP-OES

Pyridine-FTIR

-TPD and H

-TPD analyses were done to investigate its physicochemical properties. Phenomena of hydrogen spillover and metal- acid site synergy were examined in this study. With the aid of TiO

reducible support

hydrogen spillover and metal-acid site interactions were observed to a certain extent but were not as superior as other Pt

Ni-based catalysts used in other HDO studies. The experimental findings showed that Ag/TiO

catalyst has mediocre phenol conversion but high benzene selectivity which confirms the explanation from other computational studies.

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⁰

Synergistic interaction of metal–acid sites for phenol hydrodeoxygenation over bifunctional Ag/TiO2 nanocatalyst

DOI：10.1016/j.cjche.2018.08.028

摘要

Abstract

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Keywords

references

Synergistic interaction of metal–acid sites for phenol hydrodeoxygenation over bifunctional Ag/TiO₂ nanocatalyst