Process for the manufacture of acetic acid ethyl ester

Details Process for the manufacture of acetic acid ethyl ester Process for the manufacture of acetic acid ethyl ester

1977-12-12

1978-12-05

Thomas, Jr., James O.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6705

Patent

active

041287274

ABSTRACT:
Acetic acid ethyl ester is prepared by passing ethylene over a fixed-bed catalyst composed of silicon dioxide, which has a surface from 50 to 200 m.sup.2 /g and which is impregnated with H.sub.2 SO.sub.4, diethylsulfate or ethylsulfuric acid or mixtures of these compounds, with periodically alternating quantities of acetic acid, at a temperature from 130.degree. to 170.degree. C, the acid concentration, calculated on ethylene, varying constantly over a range from 0.01 to 40% by mole.

REFERENCES:
patent: 1365052 (1921-01-01), Ellis
patent: 2224809 (1940-12-01), Coleman
patent: 2741632 (1956-04-01), Cottle
patent: 3474131 (1969-10-01), Schmerling
patent: 3922294 (1975-11-01), Lewpold

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