FIELD: chemistry.
SUBSTANCE: method comprises passing starting stream into a reforming reactor to obtain a reformate stream; passing the reformate into a first fractionation unit to form a light upper stream and a lower stream; passing the lower stream into a reformate separation column to obtain an upper reformate stream containing C6-C7-aromatic compounds and a lower reformate stream containing C8+-aromatic compounds; passing the upper reformate stream into an aromatic compound extraction unit to form a purified aromatic compound stream containing C6 and C7-aromatic compounds, as well as a raffinate stream; and passing the raffinate stream into the reforming reactor.
EFFECT: use of the present method increases the amount of aromatic compounds produced from a starting hydrocarbon stream.
10 cl, 4 tbl, 5 dwg
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