Self-alkylation of isobutane

Details Self-alkylation of isobutane Self-alkylation of isobutane

1977-11-03

1979-02-06

Crasanakis, George

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26068368, C07C 356

Patent

active

041384440

ABSTRACT:
Isobutane is self-alkylated to an alkylate composition having high octane components including trimethylpentanes in the presence of a solid catalyst and a minor amount of a C.sub.5 and higher olefin. The self-alkylation process utilizes a chlorided alumina catalyst having from about 4 to 15 weight percent chlorine. The olefins of choice employed in the isobutane self-alkylation reaction are isoolefins having 6 or 7 carbons. The isobutane may be derived from the isomerization of n-butane and the isomerization process may be integrated with the self-alkylation process.

REFERENCES:
patent: 2361755 (1944-10-01), Fawcett et al.
patent: 2404483 (1946-07-01), Frey
patent: 3239577 (1966-03-01), Bloch et al.
patent: 3523142 (1970-08-01), Mih et al.
patent: 3549718 (1970-12-01), Estes et al.
patent: 4066716 (1978-01-01), Herbstman et al.

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