Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 60, Issue 51, Pages 18831-18840Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.1c02799
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Funding
- Ministerio de Ciencia, Innovacion y Universidades of Spain [RTI2018099668-B-C22]
- Junta de Andalucia projects [UMA18-FEDERJA-126, PY2000375]
- FEDER funds
- Ministry of Economy and Competitiveness for a Ramon y Cajal [RyC-201517870]
- University of Malaga (Spain)
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The addition of iron, cobalt, or nickel to a prepared niobium-supported catalyst using mesoporous silica SBA-15 as a support significantly influenced the hydrodeoxygenation (HDO) reaction of anisole. Nickel incorporation showed the highest anisole conversion and selectivity to deoxygenated products, followed by cobalt and iron. The superior performance of NiNb/SBA-15 was associated with its lower acidity, higher Nb/Si surface exposure, NbO2/Nb2O5 ratio, and better interaction between nickel and niobium species.
The effect of adding iron, cobalt or nickel to a prepared niobium-supported catalyst using mesoporous silica SBA-15 as a support was evaluated in the hydrodeoxygenation (HDO) reaction of anisole, chosen as a model compound in lignocellulosic biomass derived bio-oil. HDO activity as well as selectivity toward O-free products were highly dependent on the catalyst formulation: Ni incorporation showed the highest anisole conversion and selectivity to deoxygenated products, followed by Co and Fe counterparts. The activity was explained in terms of acidity, metal surface exposure and reducibility as a function of the interaction between the phases present. Regarding the characterization results, the better performance of NiNb/SBA-15 was associated with its lower acidity, higher Nb/Si surface exposure, NbO2/Nb2O5 ratio and better interaction between Ni and Nb species.
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