Production of dialkylated aromatics

Details Production of dialkylated aromatics Production of dialkylated aromatics

1984-02-23

1985-05-28

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585464, C07C 264

Patent

active

045202184

ABSTRACT:
A process is disclosed for producing a mixture of mono- and diallkylated aromatic hydrocarbons suitable for use as a detergent or as a surfactant in enhanced oil recovery processes. Two alkylation reaction stages are used in series, with a separate amount of an acyclic olefin being charged to each reaction stage. The effluent of the second alkylation reaction stage is separated by fractionation to form a mixture of mono- and dialkylated hydrocarbons. A portion of this mixture is recycled to the second alkylation reaction stage, with remainder being withdrawn as the product stream.

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patent: 3494971 (1970-02-01), Fenske
patent: 3830865 (1974-08-01), Anderson
patent: 3927134 (1975-12-01), Yanaqihara et al.
patent: 3950448 (1976-04-01), Witt
patent: 4046516 (1977-09-01), Burton et al.
patent: 4225737 (1980-09-01), Mikulicz et al.

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