CE07 - Chimie moléculaire

Substitution of critical metals: carbide catalysts for selective C=O hydrogenation and C-O hydrogenolysis of multifunctional substrates – Hydrocarb

Submission summary

The aim is to design innovative heterogeneous carbide-based catalysts to selectively cleave C-O and hydrogenate C=O bonds from multifunctional substrates to high value chemicals. Highly selective catalytic materials are a prerequisite in order to reduce the carbon footprint and energy consumption of industrial processes. The proposal targets i) the selective C-O hydrogenolysis of erythritol in aqueous phase and ii) the selective C=O hydrogenation of a,ß-unsaturated carbonyls in liquid (cinnamaldehyde) or gas phase (prenal). The selectivity can be obtained over catalysts combining a noble metal (Ru) and an oxophilic promoter (ReOx). The objective is to substitute these rare and expensive formulations (Rh, Re) with Transition Metal Carbide (TMC)-based bimetallic catalysts from base metals only (Mo and W) with optimized metallic (Mo2C) and oxophilic (WOxCy) properties to elaborate new Mo2C/WOxCy formulations supported on various supports (TiO2, ZrO2, carbon). The project is organized along 3 work packages: 1) catalyst design both with well-established robust methods and original (colloidal) routes, 2) catalytic reactions in liquid- and gas-phase, 3) operando catalysts characterization with advanced synchrotron-based techniques. LRS, IRCELyon and Institut Néel will share their common knowledge in the synthesis and reactivity of carbide-based catalysts and synchrotron characterization in order to achieve unprecedented structure/activity correlations for these systems. This project could have both a high economic impact and a large environmental outcome in substituting scarce/expensive metals and converting polyfunctional bioresources into economically viable chemical compounds.

Project coordination

Xavier CARRIER (Laboratoire de Réactivité de Surface)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


IRCELYON Centre national de la recherche scientifique
NEEL Institut Néel
LRS Laboratoire de Réactivité de Surface

Help of the ANR 502,963 euros
Beginning and duration of the scientific project: December 2022 - 48 Months

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