Process for sulfonation

Details Process for sulfonation Process for sulfonation

1976-04-13

1979-04-10

Siegel, A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14324

Patent

active

041488210

ABSTRACT:
A technique for sulfonating petroleum oil feed stocks which materially increases the extent of reaction between the sulfonatable components present in the feed stock and sulfur trioxide, and yields an improved sulfonated product. The invention provides a method which includes forming a liquid mixture of a petroleum oil feed stock and an organic additive, feeding such mixture to a reaction zone, and contacting the mixture with a reactable sulfur trioxide material. The additive appears to promote continuity of materials during the reaction in such a way that substantially homogeneous product compositions are obtained. The invention also includes the so-attained reaction products. Methods of neutralizing, digesting, purifying and other treatments to improve product utility are taught.

REFERENCES:
patent: 2815371 (1957-12-01), Hutchings et al.
patent: 2940936 (1960-06-01), Fike
patent: 3058920 (1962-10-01), Brooks et al.

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