Process for the manufacture of acetic acid ethyl ester

C - Chemistry – Metallurgy – 07 – C

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260/495.4

C07C 69/14 (2006.01) B01J 21/08 (2006.01) B01J 27/02 (2006.01) B01J 31/02 (2006.01) C07C 67/04 (2006.01)

Patent

CA 1094101

HOE 75/F 266 Process for the Manufacture of Acetic Acid Ethyl Ester Abstract of the Disclosure: 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 m2/g and which is impregnated with H2SO4, diethylsulfate or ethylsulfuric acid or mixtures of these compounds, with periodically alternating quantities of acetic acid, at a temperature from 130 to 170°C, the acid concentration, calculated on ethylene, varying constant- ly over a range from 0,01 to 40 % by mole,

263310

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