Conversion of sulfonic acids into a hydrocarbon oil of superior

Details Conversion of sulfonic acids into a hydrocarbon oil of superior Conversion of sulfonic acids into a hydrocarbon oil of superior

1976-12-10

1978-08-29

Levine, Herbert

Mineral oils: processes and products

Treatment of refining sludge

208 14, 260668R, C10G 2300

Patent

active

041101960

ABSTRACT:
Sulfonic acids are converted into a hydrocarbon oil of superior oxidation stability by transforming the acids into compounds selected from the group consisting of ammonium sulfonates, substituted ammonium sulfonates, and sulfonic acid esters; and hydrotreating the resultant sulfonic acid derivatives at elevated temperatures in the presence of a hydrotreating catalyst. The hydrotreating process frees the parent hydrocarbons that originally constituted the organic portion of the sulfonic acids by cleaving the carbon-sulfur bond of the sulfonic acid derivatives. These parent hydrocarbons are recovered from the reaction products of the hydrotreating step and comprise a hydrocarbon oil that exhibits a higher stability toward oxidation than can otherwise be obtained from other hydrocarbon oils of similar composition and viscosity.

REFERENCES:
patent: 2028185 (1936-01-01), Bird
patent: 2036973 (1936-04-01), Sullivan
patent: 2768130 (1977-10-01), White
patent: 3149063 (1964-09-01), Brunel
Gilbert, "Sulfonation and Related Reactions", (1965) pp. 429 to 432.

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