Integrated process for production of gasoline and ether

Details Integrated process for production of gasoline and ether Integrated process for production of gasoline and ether

1989-11-29

1990-11-13

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208120, 585310, 585322, 585324, 585649, 585653, 568697, C10G 5700

Patent

active

049699873

ABSTRACT:
Process and apparatus for upgrading paraffinic naphtha to high octane fuel by contacting a fresh virgin naphtha feedstock stream medium pore acid cracking catalyst under low pressure selective cracking conditions effective to produce at least 10 wt % C4-C5 isoalkene to obtain a light olefinic fraction rich in C4-C5 isoalkene and a C6+ liquid fraction of enhanced octane value. The preferred feedstock is straight run naphtha containing C7+ alkanes, at least 15 wt % C7+ cycloaliphatic hydrocarbons and less than 20% aromatics, which can be converted with a fluidized bed catalyst in a vertical riser reactor during a short contact period.
The isoalkene products of cracking are etherified to provide high octane fuel components.

REFERENCES:
patent: 3267156 (1966-08-01), Hansen
patent: 3751514 (1973-08-01), Hoppstock et al.
patent: 3926781 (1975-12-01), Gale
patent: 4035430 (1977-07-01), Dwyer et al.
patent: 4366327 (1982-12-01), Convers et al.
patent: 4423251 (1983-12-01), Pujado et al.
patent: 4827045 (1989-05-01), Harandi et al.
patent: 4911823 (1990-03-01), Chen et al.

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