FIELD: machine building.
SUBSTANCE: invention relates to gas and fluid distribution in catalytic reactors of fixed layers type, in particular to distributing disc with distribution structural elements, low sensitive to leveling errors. Structural distribution element consists of two substantially coaxial cylinders, called internal cylinder and external cylinder; wherein separating two cylinders bottom horizontal surface is closed. Distributing disc is adapted to cocurrent gas and liquid descending flows, in particular in so called "streaming" mode. Invention also relates to use of distribution disc, to methods of various oil races cleaning by hydrogenation or hydrogen saturation methods.
EFFECT: invention provides uniform gas inlet into annular zone.
11 cl, 4 dwg, 3 tbl
