Production of alkyl aromatic hydrocarbons

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed

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Details

208 62, 208111, 260668A, 260674R, C10G 1304

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active

039487580

ABSTRACT:
Alkyl aromatic hydrocarbons useful as chemical raw material, solvents and the like are provided in high purity by hydrocracking of a fraction rich in alkyl aromatics and lean in aliphatic hydrocarbons over a particular zeolite catalyst associated with a hydrogenation/dehydrogenation component. The charge stock is characterized by substantial absence of hydrocarbons lighter than benzene. The technique is particularly well suited to production of maximum xylenes from a fraction containing higher boiling and lower boiling alkyl aromatics.

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