Kinetic modeling of lignin catalytic hydroconversion in a semi-batch reactor

International audienceA kinetic modeling for lignin catalytic hydroconversion over a supported CoMoS catalyst in a semi-batch reactor has been constructed based on analysis results from Gel Permeation Chromatography (GPC) and two-dimensional Gas Chromatography (GC × GC). The model includes 15 pseudo-component lumped products classified by their states and functional groups. Hydrogen consumption, liquid-gas mass transfer resistance and vapor-liquid equilibrium are accounted for. Physical and chemical parameters were estimated from experiments carried out at 350 °C and 80 bar. The resulting model is able to fit the experimental data well. From estimated parameters, it is deduced that the bottlenecks of lignin catalytic hydroconversion are the deeper conversion of the soluble oligomeric fractions and the relatively slow hydrodeoxygenation rate

Catalytic upgrading of microalgal hydrothermal oil: Impact of algae species and catalyst for biofuel production

Please click Additional Files below to see the full abstrac

Hydrothermal conversion of micro-algae as new biomaterials for pavement

Bitumen is a non-renewable petroleum-derived product whose market is under pressure due to the fossil fuel depletion and the environmental pollution concerns. It is therefore important to anticipate the replacement of this material, heavy fraction of petroleum distillation, used mostly in road construction as a matrix of an aggregate composite material. In that context, it is necessary to look for alternatives or substitution products and find processes that can valorize new renewable biomasses. Please click Additional Files below to see the full abstract

From in situ to operando

SSCI-VIDE+ECI2D+CGEInternational audienceNon

From in situ to operando

SSCI-VIDE+ECI2D+CGEInternational audienceNon