Blue hydrogen production by steam methane reforming (SMR) with carbon capture is far the most commercialised method, and addition of a simultaneous in-situ CO2 adsorption process, sorption-enhanced (SESMR) can further decrease cost H2 production. Ni-based catalysts have been extensively used for SMR because their excellent activity relatively low price, but deposition, sulphation, sintering lea...

We are interested in catalysts consisting either of substitutionally doped oxides (e.g. RuxCe1-xO2) or of submonolayers of an oxide supported on another oxide (e.g. VOx supported on ceria). Calculations and experiments show that in most cases these systems are more active catalysts than the original oxide (i.e. ceria). We use theory to try to find general patterns governing the activation by do...

The thermal valorization of glycerol to produce synthesis gas has been investigated under conventional and microwave heating systems. Different processes (pyrolysis, steam reforming and dry reforming) are compared, using a commercial activated carbon as catalyst. The reforming processes that employ oxidizing agents (CO2 or H2O) were found to promote higher glycerol conversions than mere termal ...

A screening study of the steam reforming reaction on clean and oxygen covered early transitionmetal carbides surfaces is performed by means of density-functional theory calculations. It is found that carbides provide a wide spectrum of reactivities, from too reactive via suitable to too inert. Several molybdenum-based systems are identified as possible steam reforming catalysts. The findings su...

The kinetics of steam reforming methane catalyzed by sponge iron was studied at temperatures between 875°C and 1050°C. Results shows that acts as a catalyst conversion is increased in higher with H2/H2O ratio the inlet gas. A kinetic model based on chemical reaction control fits well experimental data up to 0.5 an apparent activation energy 258 kJ/mol. Pore diffusion limits rate more intensely ...