Catalytic advancements in carboxylic acid ketonization and its perspectives on biomass valorisation

B Boekaerts, BF Sels - Applied Catalysis B: Environmental, 2021 - Elsevier
Ketonization of (biomass) carboxylic acids is increasingly showing its potential as upgrading
strategy to renewable fuels and chemicals. Due to the growing amount of recent studies, an …

Increasing oxide reducibility: the role of metal/oxide interfaces in the formation of oxygen vacancies

A Ruiz Puigdollers, P Schlexer, S Tosoni… - Acs …, 2017 - ACS Publications
Reducibility is an essential characteristic of oxide catalysts in oxidation reactions following
the Mars–van Krevelen mechanism. A typical descriptor of the reducibility of an oxide is the …

Implementation of concepts derived from model compound studies in the separation and conversion of bio-oil to fuel

DE Resasco, SP Crossley - Catalysis Today, 2015 - Elsevier
Thermal conversion of biomass via pyrolysis, torrefaction, or liquefaction is an attractive
process with significant economic potential. The main challenge of this technology is the …

Ketonization of Carboxylic Acids in Biomass Conversion over TiO2 and ZrO2 Surfaces: A DFT Perspective

G Pacchioni - Acs Catalysis, 2014 - ACS Publications
Carboxylic acids play a fundamental role in the transformation of biomass into liquid fuels
and other useful chemicals. In order to reduce the O/C content of biofuels, carboxylic acids …

Hydrogen Adsorption, Dissociation, and Spillover on Ru10 Clusters Supported on Anatase TiO2 and Tetragonal ZrO2 (101) Surfaces

HYT Chen, S Tosoni, G Pacchioni - ACS Catalysis, 2015 - ACS Publications
The scope of this work is to study at atomistic level the mechanism of hydrogen spillover
promoted by metal particles on oxide surfaces. By means of Density Functional Theory …

Experimental and theoretical assessment of the mechanism and site requirements for ketonization of carboxylic acids on oxides

S Wang, E Iglesia - Journal of Catalysis, 2017 - Elsevier
Ketonization of carboxylic acids removes O-atoms and forms new CC bonds, thus providing
routes from sustainable carbon feedstocks to fuels and chemicals. The elementary steps …

Ketonization of oxygenated hydrocarbons on metal oxide based catalysts

R Kumar, N Enjamuri, S Shah, AS Al-Fatesh… - Catalysis Today, 2018 - Elsevier
The ketonization of various renewable biomass-derived oxygenated feedstocks such as
carboxylic acids, aldehydes, alcohols, and esters is presented. As most previous …

In situ catalytic fast pyrolysis over CeO2 catalyst: Impact of biomass source, pyrolysis temperature and metal ion

S Shao, C Liu, X Xiang, X Li, H Zhang, R Xiao, Y Cai - Renewable Energy, 2021 - Elsevier
Catalytic conversion of pyrolysis vapor from biomass was performed over CeO 2 catalysts to
produce ketones. Thermogravimetric-gas chromatography/mass spectrometry (TG-GC/MS) …

Kinetics of fatty acid ketonization in liquid phase with anatase and rutile TiO2 catalysts

B Boekaerts, W Lorenz, J Van Aelst, BF Sels - Applied Catalysis B …, 2022 - Elsevier
Catalytic ketonization of carboxylic acids is promising for the synthesis of renewable
products. Despite its potential, fatty acid ketonization and its kinetics in the liquid phase are …

Elucidation of the Roles of Water on the Reactivity of Surface Intermediates in Carboxylic Acid Ketonization on TiO2

F Lin, W Hu, NR Jaegers, F Gao, JZ Hu… - Journal of the …, 2022 - ACS Publications
The effects of water on the carboxylic acid ketonization reaction over solid Lewis-acid
catalysts were examined by nuclear magnetic resonance (NMR) spectroscopy, diffuse …