Sulfonation of alkylated aromatic hydrocarbons

Details Sulfonation of alkylated aromatic hydrocarbons Sulfonation of alkylated aromatic hydrocarbons

C - Chemistry, Metallurgy

07

C

260/504.5

C07C 303/06 (2006.01) C07C 309/31 (2006.01)

Patent

CA 1131247

ABSTRACT Alkylated aromatic hydrocarbons are sulfonated with SO3 gas, and an anhydrous low molecular weight carboxylic acid is added to the hydrocarbon before sulfonation to improve the color and lower the H2SO4 content of the sulfonic acid reaction product. The hydrocarbon is sulfonated in an atomized condition to provide a reaction mixture which is quenched by, and agglomerated in, cooled, recycled reaction product.

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