Mixed-phase distributor for fixed-bed catalytic reaction chambers

Claim 1

In a cocurrent, mixed-phase catalytic reaction system wherein a vapor/liquid reactant stream flows downwardly into and through a bed of catalyst particles, the method for effecting uniform distribution of said reactant stream which comprises the sequential steps of: (a) introducing said reactant stream into a substantially catalyst-free area (i) within said reaction system and, (ii) containing a plurality of vertically-disposed, venturi-shaped eductors, and separating vaporous components from liquid components in said area; (b) passing separated vaporous reactant stream components (i) through an aperture in the upper portion of each eductor and, (ii) downwardly through the venturi throat thereof, the upper terminus of each eductor being sealed against the introduction of liquid components thereinto; (c) educting liquid reactant stream components through a liquid-sealed aperture in the lower portion of each eductor proximate to the venturi throat thereof and forming a froth of vaporous and liquid components in the eductors; and, (d) discharging the resulting mixed vapor/liquid reactant stream as a froth from the lower end of each venturi-shaped eductor onto a bed of catalyst particles disposed below said catalyst-free area.