Patent ID: 8475728
Filing Date: 2013-07-02
Classification: B01F,B01J,C01B,Y10T

Abstract:
1. A mixing and distributing device for a first gas and a second gas located upstream of a catalytic zone having an inlet section Ωr, said device comprising: a plurality of internal chambers (I) each with a diameter D the external chamber (II) communicating with each of the internal chambers (I) via a series of orifices ( the angle (α) of the walls of the enlarged lower zone (III) with respect to vertical being in the range 5° to 45°; and wherein the sum of the outlet sections Ωs of the internal chambers (I) is less than the inlet section of the catalytic zone Ωr, in which case the device further comprises a distribution chamber (IV) interposed between the outlet sections Ωs and the inlet section Ωr of the catalytic zone, said distribution chamber (IV) having a height H