Mechanocatalytic Hydrogenolysis of the Lignin Model Dimer Benzyl Phenyl Ether over Supported Palladium Catalysts
Journal Article
·
· ACS Sustainable Chemistry & Engineering
- Georgia Institute of Technology, Atlanta, GA (United States)
- Independent Researcher, Washington, DC (United States)
- Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
This work demonstrates the mechanocatalytic hydrogenolysis of the ether bond in the lignin model compound benzyl phenyl ether (BPE) and hardwood lignin isolated by hydrolysis with supercritical water. Pd catalysts with 4 wt % loading on Al2O3 and SiO2 supports achieve 100% conversion of BPE with a toluene production rate of (2.6–2.9) × 10–5 mol·min–1. The formation of palladium hydrides under H2 gas flow contributes to an increase in the turnover frequency by a factor of up to 300 compared to Ni on silica–alumina. While a near-quantitative toluene yield is obtained, some of the phenolic products remain adsorbed on the catalyst.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0012704
- OSTI ID:
- 2440574
- Report Number(s):
- BNL--226018-2024-JAAM
- Journal Information:
- ACS Sustainable Chemistry & Engineering, Journal Name: ACS Sustainable Chemistry & Engineering Journal Issue: 33 Vol. 12; ISSN 2168-0485
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Mechanisms of catalytic cleavage of benzyl phenyl ether in aqueous and apolar phases
Influence of supercritical fluid solvent density on benzyl phenyl ether pyrolysis: Indications of diffusional limitations
Unraveling the Dynamic Network in the Reactions of an Alkyl Aryl Ether Catalyzed by Ni/γ-Al2O3 in 2-Propanol
Journal Article
·
Sat Mar 01 04:00:00 UTC 2014
· Journal of Catalysis
·
OSTI ID:1118103
+2 more
Influence of supercritical fluid solvent density on benzyl phenyl ether pyrolysis: Indications of diffusional limitations
Journal Article
·
· Energy and Fuels; (United States)
·
OSTI ID:5089455
Unraveling the Dynamic Network in the Reactions of an Alkyl Aryl Ether Catalyzed by Ni/γ-Al2O3 in 2-Propanol
Journal Article
·
Fri Oct 04 00:00:00 UTC 2019
· Journal of the American Chemical Society
·
OSTI ID:1608537
+4 more