Production of fuel components

Details Production of fuel components Production of fuel components

2008-03-18

2008-03-18

Keys, Rosalynd (Department: 1621)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

C568S697000, C585S510000

Reexamination Certificate

active

07344632

ABSTRACT:
A process for producing alkyl ethers, by etherification of tertiary C4-7olefins with an alkanol, comprising carrying out the etherification in reactor train system primarily configured for dimerization of isoolefins. In the etherification, the ratio of alkanol-to-olefin is 0.5 to 2, calculated from the amount of tertiary C4-7olefins of the fresh feedstock. The invention makes it possible to change the product of the process from dimer to ether and vice versa merely by adjusting specific flows within the process. The present kind of process is therefore readily adaptable to fluctuating market demands for various gasoline octane-boosters (isooctane or MTBE).

REFERENCES:
patent: 3979461 (1976-09-01), Ancillotti et al.
patent: 6011191 (2000-01-01), Di Girolamo et al.
patent: 0590632 (1994-04-01), None
patent: 0994088 (2000-04-01), None
patent: 1173128 (1969-12-01), None
patent: 2325237 (1998-11-01), None

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