Turbulent fluid bed paraffin conversion process

Details Turbulent fluid bed paraffin conversion process Turbulent fluid bed paraffin conversion process

1989-02-14

1991-04-30

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

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

585407, 585412, 585418, 585419, C07C 500

Patent

active

050120263

ABSTRACT:
A fluid bed catalytic paraffin upgrading process is disclosed. By closely controlling catalyst particle size distribution and density, together with feedstock superficial vapor velocity, the fluid bed is maintained in a turbulent flow regime. Surprisingly, maintaining the fluid bed in a turbulent flow regime shifts the product selectivity away from methane and ethane and toward the more valuable products hydrogen, light olefins and C.sub.5 + gasoline. In the most preferred embodiment, the catalyst contains a dehydrogenation metal component such as gallium, zinc, platinum or rhenium to provide a C.sub.5+ gasoline product rich in aromatics. Catalysts useful in the inventive process include zeolites as well as layered siliceous materials.

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