Refinement of sulfonated hydrocarbons

Details Refinement of sulfonated hydrocarbons Refinement of sulfonated hydrocarbons

1980-10-02

1982-11-30

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260505R, 260505S, C07C14324

Patent

active

043615201

ABSTRACT:
In a process for the production of sulfonated hydrocarbon from a petroleum feedstock, e.g., crude oil or gas oil, enhanced separation of unreacted free hydrocarbon from the sulfonate product is obtained by two separations. The acidic product obtained from the sulfonation of the hydrocarbon is subjected to an incomplete separation from the unreacted hydrocarbon wherein from about 7 to about 12 percent by volume of the free unreacted hydrocarbon is retained in the product. Thereafter, the product is neutralized and subjected to a final separation in which the remainder of free unreacted hydrocarbon is removed from the sulfonated product.

REFERENCES:
patent: 4144266 (1979-03-01), Plummer et al.

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