Process for production of iso-olefin and ether

Details Process for production of iso-olefin and ether Process for production of iso-olefin and ether

1990-11-01

1992-03-31

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208120, 585324, 585649, 585653, 568697, C10G 1105

Patent

active

051005336

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 comprising MCM-22 zeolite under low pressure selective cracking conditions effective to produce increased yield of total C4-C5 branched aliphatic hydrocarbhons. The preferred feedstock is straight run naptha 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: 4826667 (1989-05-01), Zones et al.
patent: 4836909 (1989-06-01), Matsuo et al.
patent: 4911823 (1990-03-01), Chen et al.
patent: 4954325 (1990-09-01), Rubin et al.
patent: 4969987 (1990-11-01), Le et al.
patent: 4980053 (1990-12-01), Li et al.

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