Upgrading light olefin fuel gas and catalytic reformate in a turbulent fluidized bed catalyst reactor

摘要

A fluidized bed catalytic process for conversion of light olefinic gas feedstock containing ethene and propene to produce C5+ hydrocarbons and for the conversion of catalytic reformate feedstock to produce C7-C11 aromatic hydrocarbons, comprising a maintaining a fluidized bed of zeolite catalyst particles in a turbulent reactor bed at a temperature of about 600 DEG to 750 DEG F. (316 DEG to 399 DEG C.) and pressure of about 100 to 250 psig (790 to 825 kPa. The catalyst has an apparent particle density of about 0.9 to 1.6 g/cm3 and a size range of about 1 to 150 microns, and average catalyst particle size of about 20 to 100 microns containing about 10 to 25 weight percent of fine particles having a particle size less than 32 microns. The feed vapor is passed upwardly through the fluidized catalyst bed under turbulent flow conditions; turbulent fluidized bed conditions are maintained through the reactor bed between transition velocity and transport velocity at a superficial fluid velocity of about 0.3 to 2 meters per second; and hydrocarbon product is recovered containing C5+ hydrocarbons and C7 to C11 aromatic hydrocarbons.