Production of alkyl aromatic hydrocarbons

Details Production of alkyl aromatic hydrocarbons Production of alkyl aromatic hydrocarbons

1974-06-17

1976-04-06

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

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

Patent

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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patent: 2795629 (1957-06-01), Boedeker
patent: 2918505 (1959-12-01), Scott et al.
patent: 3037930 (1962-06-01), Mason
patent: 3597491 (1971-08-01), Kovach et al.
patent: 3729409 (1973-04-01), Chen
patent: 3767568 (1973-10-01), Chen
patent: 3790471 (1974-02-01), Argauer et al.
patent: 3804746 (1974-04-01), Chu
patent: 3856872 (1974-12-01), Morrison

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