Catalytic reactor including one cellular area having controlled macroporosity and a controlled microstructure and one area having a standard microstructure

摘要

The invention relates to a catalytic reactor including: at least one first architecture/microstructure including a ceramic and/or metal cellular architecture having a pore size of 2 to 80 ppi and a macroporosity of more than 85%, and a microstructure having a grain size of 100 nm to 5 microns, and skeleton densification of more than 95%, and a catalytic layer; and at least one second architecture/microstructure including a spherical or cylindrical architecture having a pore size of 0.1 to 100 μm and a macroporosity of less than 60%, and a microstructure having a grain size of 20 nm to 10 μm and a skeleton densification of 20% to 90%, and a catalytic layer; the first and second architecture/microstructure being stacked inside said reactor.

主权项

1. A catalytic reactor comprising at least one first architecture/microstructure and at least one second architecture/microstructure wherein:
said at least one first architecture/microstructure comprises a porous ceramic and/or metal cellular architecture having:
a pore density of 2 to 80 pores per inch where the pores have a mean diameter size of between 0.3175 mm and 12.7 mm,a macroporosity of greater than 85%,a microstructure having a grain size of between 100 nm and 5 microns,a densification of the skeleton of greater than 95%, anda catalytic layer, said at least one second architecture/microstructure comprises a porous spherical or cylindrical geometric form having:
a pore size of between 0.1 and 100 μm,a macroporosity of less than 60%,a microstructure having a grain size of between 20 nm and 10 μm,a densification of the skeleton of between 20 and 90%, anda catalytic layer; and the at least one first architecture/microstructure and the at least one second architecture/microstructure are stacked within said reactor.