Integrated process for pygas upgrading to BTX

A method for producing aromatic compounds from a feed stream comprising C5-C6non-aromatic hydrocarbons, the method comprising:

• aromatizing the feed stream in an aromatization unit, thereby converting the C5-C6 non-aromatic hydrocarbons to a first stream comprising benzene-toluene-xylenes (BTX);
• hydrotreating the first stream comprising BTX in a selective hydrotreatment unit, thereby producing a de-olefinated stream comprising BTX;
• hydrodealkylating and transalkylating the de-olefinated stream comprising BTX in a hydrodealkylation-transalkylation unit comprising hydrogen, thereby producing a second stream comprising BTX, the second stream comprising BTX having a greater amount of benzene and xylenes than the first stream comprising BTX, wherein the de-olefinated stream comprising BTX is sent directly from a reactor of the selective hydrotreatment unit to the hydrodealkylation-transalkylation unit;
• and
• processing the second stream comprising BTX in an aromatics recovery complex, thereby producing the aromatic compounds from the feed stream, the aromatic compounds comprising benzene, toluene, and xylenes.

A method for producing aromatic compounds, the method comprising:

• adding hydrotreated pygas to an aromatics recovery complex, thereby producing a paraffinic stream comprising C5-C6non-aromatic hydrocarbons;
• aromatizing the paraffinic stream in an aromatization unit, thereby converting the C5-C6 non-aromatic hydrocarbons to a first stream comprising benzene-toluene-xylenes (BTX);
• hydrotreating the first stream comprising BTX in a selective hydrotreatment unit, thereby producing a de-olefinated stream comprising BTX;
• hydrodealkylating and transalkylating the de-olefinated stream comprising BTX in a hydrodealkylation-transalkylation unit comprising hydrogen, thereby producing a second stream comprising BTX, the second stream comprising BTX having a greater amount of benzene and xylenes than the first stream comprising BTX;
• and
• processing the second stream comprising BTX in the aromatics recovery complex, thereby producing the aromatic compounds, the aromatic compounds comprising benzene, toluene, and xylenes.