Method of production of olefins and valuable aromatic components from hydrocarbon oils derived from coal or wood

摘要

A method for producing aromatic components and olefins, which comprises: (a) introducing oils derived from coal or wood into a hydrogenation reaction zone, so that the aromatic components having aromatic rings are partially saturated and cracked; (b) separating the components obtained in (a) into hydrocarbon components having 11 or more carbons, hydrocarbon components having 6 ~ 10 carbons, and hydrocarbon components having 5 or less carbons; and (c) recirculate the hydrocarbon components having 11 or more carbons separated in (b) to (a), feeding the hydrocarbon components having 6 ~ 10 carbons to an aromatic separation unit and a transalkylation unit so that at least a part of the aromatic components is recovered, and the hydrocarbon components having 5 or less carbons are fed to a separation unit for light components, thus obtaining olefins.