Process for producing aromatic compounds from C.sub.2 -C.sub.6 a

Details Process for producing aromatic compounds from C.sub.2 -C.sub.6 a Process for producing aromatic compounds from C.sub.2 -C.sub.6 a

1987-04-22

1988-05-24

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By ring formation from nonring moiety, e.g., aromatization,...

585415, 585418, C07C 242, C07C 276

Patent

active

047467630

ABSTRACT:
The present invention relates to a process for producing aromatic compounds from C.sub.2 -C.sub.6 aliphatic hydrocarbons. In this process, a feedstock containing C.sub.2 -C.sub.6 aliphatic hydrocarbons is passed into a reaction zone and into contact with a catalyst zone containing two discrete catalysts. The first catalyst of the discrete catalyst system is comprised in part of a ZSM-5 zeolite component while the second catalyst of the discrete catalyst system is comprised in part of a catalytically active component that is not ZSM-5 which exhibits an acidity lower than that of the first discrete catalyst. A metallic component selected from the Group IIB to IVB Elements of the Periodic Table may be a component of one or both of the discrete catalysts of the instant process as can be a phosphorus-containing alumina component. The discrete catalytic system of the present invention is particularly suited for selectively producing aromatic compounds from C.sub.2 -C.sub.6 aliphatic hydrocarbons while limiting the amount of undesired C.sub.1 and C.sub.2 by-products produced by the process.

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European Patent Application No. 0162636, Hall, "Production of Liquid Products from Aliphatic Hydrocarbons", 5-24-84.

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