Journal
APPLIED CATALYSIS A-GENERAL
Volume 611, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2020.117977
Keywords
H-2-free HDO; Guaiacol; Biomass; Pt; Ni; GOr; N-doped catalysts
Categories
Funding
- Department of Chemical and Process Engineering at the University of Surrey
- EPSRC [EP/R512904/1]
- Royal Society [RSGR1180353]
- Comunitat Valenciana
- CO2Chem through the EPSRC [EP/P026435/1]
- Spanish Ministry of Science and Innovation [RYC2018-024387-I]
- Consejo Nacional de Ciencia y Tecnologia, CONACyT, Mexico [2018-000022-01EXTV-00519, 2019-000029-01EXTV-00057]
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The study proposes an innovative route for upgrading biomass compounds through H-2-free hydrodeoxygenation reactions using a multifunctional catalyst. It demonstrates the superior performance of NiCeO2/GOr-N catalyst in terms of activity and selectivity balance, highlighting the key role of advanced catalysts in achieving a low carbon future.
Herein we present an innovative route for model biomass compounds upgrading via H-2-free hydrodeoxygenation (HDO) reactions. The underlaying idea is to implement a multifunctional catalyst able to activate water and subsequently use in-situ generated hydrogen for the HDO process. In this sense we have developed a series of effective Ni and Pt based catalysts supported on N-promoted graphene decorated with ceria. The catalyst reached commendable conversion levels and selectivity to mono-oxygenated compounds considering the very challenging reaction conditions. Pt outperforms Ni when the samples are tested as-prepared. However, Ni performance is remarkably boosted upon applying a pre-conditioning reductive treatment. Indeed, our NiCeO2/GOr-N present the best activity/selectivity balance and it is deemed as a promising catalyst to conduct the H-2-free HDO reaction. Overall, this proof-concept showcases an economically appealing mute for bio-compounds upgrading evidencing the key role of advanced catalysts for a low carbon future.
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